Top Banner
A translation of Landau's "Grundlagen in AUTOMATH" Benthem Jutting, van, L.S. Published: 01/01/1976 Document Version Publisher’s PDF, also known as Version of Record (includes final page, issue and volume numbers) Please check the document version of this publication: • A submitted manuscript is the author's version of the article upon submission and before peer-review. There can be important differences between the submitted version and the official published version of record. People interested in the research are advised to contact the author for the final version of the publication, or visit the DOI to the publisher's website. • The final author version and the galley proof are versions of the publication after peer review. • The final published version features the final layout of the paper including the volume, issue and page numbers. Link to publication Citation for published version (APA): Benthem Jutting, van, L. S. (1976). A translation of Landau's "Grundlagen in AUTOMATH". Eindhoven: Technische Hogeschool Eindhoven. General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. • Users may download and print one copy of any publication from the public portal for the purpose of private study or research. • You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal ? Take down policy If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Download date: 17. Sep. 2018
213

A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

Sep 18, 2018

Download

Documents

duongdung
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

A translation of Landau's "Grundlagen in AUTOMATH"

Benthem Jutting, van, L.S.

Published: 01/01/1976

Document VersionPublisher’s PDF, also known as Version of Record (includes final page, issue and volume numbers)

Please check the document version of this publication:

• A submitted manuscript is the author's version of the article upon submission and before peer-review. There can be important differencesbetween the submitted version and the official published version of record. People interested in the research are advised to contact theauthor for the final version of the publication, or visit the DOI to the publisher's website.• The final author version and the galley proof are versions of the publication after peer review.• The final published version features the final layout of the paper including the volume, issue and page numbers.

Link to publication

Citation for published version (APA):Benthem Jutting, van, L. S. (1976). A translation of Landau's "Grundlagen in AUTOMATH". Eindhoven:Technische Hogeschool Eindhoven.

General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright ownersand it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.

• Users may download and print one copy of any publication from the public portal for the purpose of private study or research. • You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal ?

Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediatelyand investigate your claim.

Download date: 17. Sep. 2018

Page 2: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

EINDHOVEN UNIVERSITY OF TECHNOLOGY

Department of Mathernaties

A translation of Landau's *) "Grundlagen" in AUTOMATH

L.S. Jutting

Contents: chapter 4a

October 1976

: .. !OT~-!r- .... l\

8 110531'

*) . . . I<'or an introduetion to and a discuesion of the present work, see the

authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der

Analysis" in the AUTOMATH System.

Page 3: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

LAYOUT tROK fiLE AUTOE/LANDAU/H4A OCTOSER 11, 1978

lJ (P:CUTJ[Q:CUTltR:CUfl 3PL1J :: TR31SCCUT,PUP,.PU41l.R)hPt(PL(Q,.!thP h

R 3 3PUZ

S ; •PLZJ

R a 3PI.23

P a AZISAI'A

; DIF u1 :cur l t az:cun or

a [A:OIF l STH sro

AZ a STHIS rssn STDIS ISSfl

A a 1A u DrtS ISDf

AZ a [Bl:CUTJtaz:cUTJ lZtSSKSD

S"'SOISU

A a r:u: cunlRz:cun 1SDISS!1SD

SHSOISlSD

SKZISS!CSD

SHS!HSSHZ

PtCPL(R,.QJ,p),pl(R•PlCO•Pl), COHPL< p,. PL<Cl• R J), I SPllCPL C:J,R ),.PL(R, Q) •P•COMPl.Hl•RH•ASSPlHI\•Cl•i>)) : ISCPU:t •PL<O•RlhPUR•PU:l•Pl))

:: TR3IS<CUT •Pl(PL( P;Q),.f'L( R•S)),. PlCP,.Pl(OrPL(R,SJJ),pt(P,PL<S•PLCR,Q)) hPUPUP .. ShPU R• Q) lo ASSPtl<P,Q,.Pl.<R,.S)l,.ISPlZlPl(Q,.pL{R,.SJ l•PL<S•PL(R,Q)),p,JPL13(Q,R,S)), ASSPlZCP•S,.PUR,. QJ J} : IS<PlC2 l<P• OhPL<R•SJhPU PUP•S>-PLCR" OH l

:= TRliSCCUT,PL(P,.PL(Q,.R)),.pL(PL(P,.Q),ft), PL(PLCQ,p)~R>•PLfQ~PLCP•R>J~

ASSPU(P,QrR },. ISPLH PLCP" QhPl(Q,.P)•R• COHP((p,Q)J,ASSPLlCOrP•RJJ : ISCPLC~•PL(Q,.R)),PLCO•PLCP,.RJ)J

:• TR3IStCUT,PLCPL<P,QJ,PLCR,.SJJr PtCPrPl<O•PLCR•SJ)),.pt(p,pt(R•PL(Q,S)J hPLCPL(P, RhPL( Q,.SJ h ASSPLlCP,Q,PLCRrSJ>•ISPLZtPt{Q,.Pl<R•S) ),pt(R,PL<OrS)),p,.JPL12(Q,R,.S>)• ASSPLZ<P•RrPL< 0• SJ U .: ISCPU" UP, QJ,Pl(R,SU ,pl( PL(P,R),.pL(Q;oS}) J

:• TR3IS<CUT~>PL<PL(P,Q),RJrPl.<P•PL(Q,RJJ~> Pl(P,PL(R,.Q)J,PLCPL(P,RJ•OJ• ASSPLUP,Q,.R), ISPL2CPLC OrRhPL(R,Q hP• COHPLCQ,. RU.ASSPLZCP,R,Q)) : lS(PL(~l(p, Qt,.RhPUPUP .. R hOU

:= TRISCCUT•TSCP•PLClRP•lRPJ), PLCTSIP,lRPh TS(P,lRP) hPUPrPh DISTTP2CP;lRP,lRPJriSPL12<TSCP#lRP),p, TS(PrlRPJ,.p,sATZ151(P)rSATZ151CPJJ) t IS<TS(?,PLClRP•lRPJl•Pl<PrP))

:: PAIRlTYPE<CUTJ : •TYPE'

:•

:=

== := ;: := ::: == := := :a

PAIR1CCUT,A1•A2)

F"'RS TH CUT •Al SECONOUCUT,U FIRSTliSlfCUT,.Al,AZJ fiRST1IS2<CUT•Al•A2) SECON01ISl<CUT,.Al•A2J SECDND1IS2tCUT,A1rA2J SIMCAl STOCA) PAIRUSUCUT, Al PAIR1IS2<CU!,AJ

: Dif

: CUT : CUT : IS<STMI: DfUt.AUhAU : IS<At.STKCDFCA1,.A2))) : ISCSTI)( Of<At.A2) >•AZ)

ISCA2 .. S TD\OFCAl,.AZ>)) CUT CUT

: Is-r·o rr .. or<!Ar21\),oA1 : IS•E•(lt If'~>hDF< u,zu>

:: ISPL12CA1•ST~(OfCAl•A2JJ,.at, STO( Of(B 1• 62) h ISSTIIU1,A2),. ISSTDCS1•82ll : ISCPLCAI,BZJ .. PLCSTH(DF<Al,A2JJ,.STOCOFCE1,.82JJ)l

:: SYMl5tCUT .. ?LCAl•B21•PLCSTMCOFfA1•A2)), 5TOCDFCB1•82J)J,12ISSMSDl ISCPLCST~(OFCA1,AZ)J,STOC0f(Bl,BZJ)),pl(Alr82Jl

:: ISPL1CP.l .. STM!CFCRl~R2)),zA, I SS TM( Rl•R2l J : IS(?LH 1,2A >..PL< STIHOFCR1" R2) h2AH

:= SYMISCCUTrPl<Rlr2AJrPL<STHCOf<Rl,RZ)), 2Al•lSOISSHSOJ s IS <PLU TM(DflRl•RZ) h2U ,:o URI ,.2A,))

:•' ISPLZCRZrSTD<DfCR1 .. R2Jlr!A, ISSTOUl rRZ> ~ ISU'l <1 1,,. R2 hPU u, STO(DF'{ R1 .. R2))))

:= SYHIS<Cur.~LC1ArRl)~

....

- 4.1 -

Page 4: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

HlH65

-101&5

AZ a [R:CUTl(I:IS<Al,RJl JSSM == uncur .. otr .. n :cunorn .. AZ hAt..R.u

R a ti:lSCAZ .. RJl ISSD := ISfCCUTrDif.tT:CUTJOF<Al.TJ .. At .. R .. Il

BZ; ti:IS<Al,.Bl>ltJ:IS<AZ .. BtJl ISSHSD := TRISCOIF .. Of<Al .. A2J .. DF<B1 .. A2Jr0f(81•82J

•ISSK(Al•A2,.Bl•I>,.ISS0(81rA2,.S2•JJ) A a ta:orrl

18 :: STM<BJ ZB := STOCS) E~ :: ISCPL(lA,ZB>•PUlB•ZA))

BZ a ti:ISCPl<Al,BZ>•Pl<Bl•AZJJl EOII:! ::: TR3ISCCUT .. Pl<STHCDf<A1 .. A2>h

STD<Df(Blr82J)),.pLCAt .. B2>•Pl<B1 .. AZJ, PLCSTK(0f(91 .. 82)J,SlDCDf(A1•A2J)),. S"SDIS12CAt .. A2 .. B1 .. B2),.I, 12ISSMSD<Bl,.BZ,.At .. A2J>

RZ a [I:tSCPL(lA•RZ),PlCRl .. ZA>JJ EOI1 := ISPCOir .. rx:DiflEQ(X,.Qf(Rl,R2)),.

Of<lAr2A),.A,.EG11Z<lA•2A,R1,.RZ•I>•Df!S) RZ a ci:IsCPL<Rt .. ZA>.PLCtA .. R2)>J

(012 := ISPCDlf•(X:DlflEQ(Df(Rl,.RZJ,.X)• 0f(1A .. 2AJ .. A.EOI12CR1~Rz,.tA.2A .. IJ,OflSJ

82 a tE:Et(DfCAl•A2l•DfCB1•BZlll EOE.lZ ·- TR3ISCCUT,.PLU1~8Z),.PLCSTKCDFU1,.AZJ ),.

STD<DfCSl•B2l)JrPL(STMCDF'<61~82)),. STOf DfUt~A2)) J,. Pl(Bl•AZh 12ISSHSOCA1rAZ•Bl,SZJ•E• SHSDIS12(81rBZ,.AlrAZ)J

A ; SATZ0163 :: REfiSCCUlrPLC1ArZAJl REFEQ t= SATZD163

e 3 tt:ts•E•corr.A.a>l REFE:l ·- ISPCDif~tX:OiflEQCA.X).A,a.REfEOrlJ REFE~Z :: ISPCOif,.tX:DiflEQCX•A)rArBrREFEQ,.J)

BZ a ti:ISCAlrBlll[J:ISCAZ.aZJl EOSKSO :: REF'EQ1(0f(At .. AZJ~Df(81r82J•ISSKSD!t,.JJ

)

R ; tt:ts<Al•R)l EOSM :: REF'EOHDFtA1,.A2J.DF'U.A2hiSSMUH

R a ti:IS(A2,.Rll EQSO := REFEQUOFUt.AZhOFUl..RhiSSOU))

8 a tE:EQU,.BJl SATZ~16' := SYMISCCUTrPLC1A•ZBJ,.FLC1BrZAJrEJ SYHE:l :: SATZ0164

8 ; [C:Dlfl 1C := STI!(C) ZC := STDCC) [E:(Q(A,.BJl[f:EQ(BrCll

T1 := ISPL12<PL<1A .. 29JrPlC10r2A),pLr1B•ZC)r

: CUT CUT

: 'PRQ.JU

I ISCPUA 1r82 hPLUt.AzJ J : Eou..u · : EQU,.AJ

: EIHA.B) : EQ<B•U

: EQCDF'CA l ... Az ),OFCR,A2H

: EO<DfUl•A2hDfUlrRU

: EQ(B,AJ : EG<B•AJ

: CUT CUT

PU1C,.28),.[,.f') : IS(Pl( 10 LUA.28)•Pl< 1Sr 2C)) ,pL(PL(19•2AJ.PlctC .. 21U)) T2 := TP.4IS<CUTrPLCPL~1ArZC)rPLC18•28J),.

PL[PL(1Ar2SJ,Pt(18,.ZC1JrPLCPL<1Br~AJ. PLC1Cr28))rPL(Pl(1Cr29JrPLC18•2AlJr PLCPL(1Cr2A),.PL(18•ZS)Jr 4Pl?ft( lA .. zC,lB ... ZB) • Th COMPL<PtH8•2A) r PLHC• ZB) h4Pl24UC,. 2BilerZA l) : ISCPL<' l<1A.2CJ •Pl< 18,. ZBU ,.pl(PLUCrZA hPL us,ze)))

s

- 4.2 -

s

Page 5: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

.. rz•.tot65•J TREQ :: SATZD165

C a [(:E~CC .. A)J[f:EQCC•B>l TREOl :a TR[Q(A,.C•B•STMEO<C•A•E),.f)

C a [E:EQ(A,.ClJ[F:EQCB,.C)l TREQZ := TREQCA,.c,.a,.E .. SYHEO<B•C,.f))

C a tO:OIFllEl:[Q(A,BJl(EZ:EQCB•CJlCEl:[OCC•D>J TR3EQ :: TREO(A•B~D•E1,.TREO(B,.C,.O,.EZ•E3))

0 a ([:OIFl[El:E~CA•B)J[EZ:EQ(S,.C>JCE3:EO!C,Q)J(E4:EO<D•E>J TR4EQ := TR3EQCA .. B.C•E•E1.EZ,.TREQtc,.o,[,[3,.E4))

A a POSO :: HORE<1A .. 2A) ZERO := ISUA• ZAl NEGD :: LESSClA•ZA>

AZ a [H:MDRECA1•AZ>l POSOt :: JSMDRE12<Al•STK(QfCAl•A2))•AZ•

AZ a [J:IS<Al•AZll ZERO I

AZ a [LtLESSCAI•AZJJ !fEGDJ

A a AXRDE AXRDO AXRO

STOCDF(A1•A2)),.ISSTM(A1 .. A2l" ISSTD( AhAZhM)

:: TRU S( CUT,. STfo!(Df( Al• AZ))"' Al•A2• STOCOF<Al .. AZJJ.STMIS<Al•A2),.J,. ISSTDUt.A2l J

: = ISLE S's 12<A 1• ST M< OHA hA 2 J J,. AZ" STD<OF<Al;A2)J;ISSTK<A1•AZJ• ISSJIH AhAZhU

:= SATZ1238(1A;2A) := SATZ123AC1A,.ZA) :: OREC3I<ZERO(AJ~POSDCAJ;NEG0(AJ•AIRDO•

: EOChBJ

: EQ(A,.[) 1 PROP 1

a 1 PROP 1

: 'PROP'

: ZERIH OF' Uh AZ))

t NEGO<Df" Ut. AZU t ECJCZEtOCAJ•POSDCAJ,NEGD<AJJ : OR3UDOUhPOSOUhNEGOU))

AXROEJ t ORECl<Z EROC AhPOSDUh NEG!)( A)) tP:''ROP•J(Pl:(T:PQSDCAJ1P1CP2:tT:ZERDCAJJP1tP3:ETtNEGOCAJJPJ RAPPO t= OR3APPCZEROCA1rPOSDCAJ•NEGDCAJ•P•

AXROO,.PZ•Pl"' P3) : p A a [P:P:tSOC U 1

PNllUO == EC3EZ1<ZERO<AJ,POSD<A>,.NEGOCAJ .. AXRDE• PJ : NOT( ZEt OU>)

PNOTNO := EClEZlCZERDCAl,.POSDCA),.NEGOCA)"AXRDE• PJ : NOTUC OCU J

1 a U:ZEROUJl ONOTPO == EC3E12CZERO(AJ,.POSD(AJ•NEGD<AJ,AXROE•

l) NOHPOS OU)J !)Mono := EC3EllCZERO<AJrPOSDCA>•NEGDCAJ•AXRDE•

ZJ : NOT( NES OU)) A a (II:NEGDCUl

NNOTPO := EC3E3ZCZERO<AJ.POSD<AJrNEGOCAJ•AXROE• !U NOT< POS OU))

NNDT)D := EC3E31CZERO(A),.P0$0(AJ•NEGD(AJ,AXRDE; fH : NDHZERDCAJJ

B a [EtE:IU•BU[PtPOSOU)J

tiVl~ S

Tl

•IVll

EQPOSD E a (l:Z[ROU)l

HIVlD

:a ISKORE12(PL( 1A•Z8J,PU 18• ZA hPL<ZA•ZB> ,.pl( 2B•Z.U ,.[.,. COMPl( ZA• 281 • SATZ135U1A•2A,.zB,.P)} : MOR((P';. ue,.zu,.puze,.zA))

: POSD<BJ

s

s

- 4.3 .

Page 6: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

Z ~ T2

-rvn l a EI1ZE!t0 E ;a (N:NEG!HAll

Na n

t= TR3ISCCUT•Pl(1Sr2A>•PL(1A•2S>• Pl<2A;. ZB),. Pt.C213r ZA),. SY11EO u .. s.n,. ISPL1ClA•2A•ZS•Z>rCOMPl<ZA•28>)

:• ISLESS1Z<PLC1Ar2Bl•PL<lB•2A>•PL<ZA•ZBJ •PL<ZB.ZA ),(,.COMPL<ZA, 28 l.

: ZER0(8J

SATZ 1l5C<1A• ZA,. za,. NJ) : LESS<P:. UBr ZAhPUZB,ZAU

$

s

•IYl) I

-nu

uiYtD

••IVlD

N a EONEGO :: SATZ136CC1Br2Br2A•T3•.IV10•) : NEGOCBt 8 a tz:.ZERCCAJ ltT:ZEROCUl

Z~ROEO := TRISCCUTrPLClA.ZB>•Pl<ZArlBJrPLClB•ZAJ •ISPL1Z!1Ar2A•2Br1B•Z• SYMIS!CUT,.1B,zB,.Y>>•COHPL<2A,.18)) : EO(A,.BJ

1 [R:ClJTl PDOFRP t= Of(PUR,.tRPhlRPJ t DIF' ~DOF~P :z DFClRP•PLCR•lRP)J : DIF ts:CUTJ[I:ISCR•S>l ISRPEPD := REFEOlCPDOFRPCRJ,.PDOfRP(S),

ISF'CCUT•Oif• tx:CUTlPOOFRPUhRrSrt U : [QCPDDF RP(R ~rPOOFRPUJ J ISRPEND := REfE01CNOOFRPCRJrHD0fRP<S>•

ISFCCUTrDif•tXtCUTlNDOFRPCXJ•R•S•l)) : EOCIOOtRPCRJ•NDOFRP(SJJ S a [[:EQCPOCfRPCRJ,PDOfRPCS)))

t a u := SATZ136BCPLCRr1RPJ,PL<S•1RPl•1RPr EOE12CPL<R•lRP>•1RP•PL<S•lRPJ,.lRP•ElJ : ISCPL<t•lRPl•PLCS•lRP)J

E a ISRPIPO t• SATZU6B<R•S•lRPrT4"' .. IV10•J S a tE:E~(NOOFRPCR),N00FRPCSJJ1

E a n

E a JSRPINO

P. a POSDlRP

NEGOIRP

A 11 [!":!'OSD<A> l lfPOF'i»D

:= SATZ136E<Pl<S.1RP),Pt<R•lRP>•1RP• EOE12(1RP•rlCR•lRPl,lRP.PL<S•1RP>•ElJ ; IS<PLCSrlRP)•PL(R,.lRPlJ

:: SYMISCCUT•S•R•SATl136BCS•R•1RP• rs•. IV10")) t IS<R,S2

:: PGSDICPL(R,.lRPJ,.lRP .. ISHO~ElCPLC1RP .. RJ• PlCR,l~Pl•lRP,COHPlClRP .. R), SATZ1l3<1RP,RJ)) POSD(P)OfRPCRJ)

:: NEGOIC1RP,PL(R,.1RPJ,ISLESSZ<PLC1RP,.Rl• PL(R,1RPJ•1~P•COHPLC1RP•R>• SATZ133AC1RP,.R)J) : NEGOCN~UFRP<RJJ

: CUT

s

s

s

$

- 4.4 -

Page 7: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•nu

UIVID

-nu

P ; rs :• TR4IS<CUT•Pl(lA•lRP),PL<PL(RPOFPO,ZA>• lRP)•PlCRPOfPOrPl(ZA•lRP>)• PltRPQFPO.PL<lRP.ZAJ)• PL<PU RPOFPO rl!lPhZA ),. ISPLl(lA,.PltRPOfPD•ZA)rlRP. SATZ14~ftlA,.zA,P)), ASSPLlCRPOFPO,.zA,tRP),.ISPLZCPl<ZA•lRP) •Pl<!R?•ZAJrRPOFPO,COMPLC2ArlRP)),. ASSPLZCRPOFPO•lRP,. ZA)) : ISCPl<l A .. lRPJ,.PUPt.<RPOFPJ •lRP),zAn

P a EOPD!tPl EOPD~PZ

A 2 [NH~E:GDU) l RPOntD

N a T7

:• EQll(A,PlCRPOfPDrlRPJ•lRP•T6•.IVlD•) :• SYMEOU,PDOfRPCRPOfPDU.P) hEQPDRP1)

:: TR3IStCUT•Pl<1A~PLCRPOFMD•lRP)),. PLCPl!lA.RPOfNO),lRP),pL(ZA•lRP), PltlRP•2A)•ASSPLZC1A•RPOfND•lRP)• ISPL HPU U, RPOf NOh ZA.o1RP,. SATZ140C<ZA•1A•SATZ1ZZ<!ArZA•N))), COMPUZA,lRPH

N 2 t;KO~Pl :: EQilCA.tRP.PLlRPOFND•lRPJ .. TT-.JYlD•) EO~D~PZ :• SYKECCA*KDOfRPCRPDfNO<A~N)J,EONDRPl)

a [H:Oifl[PtPOSD(H)l[K:OifJ[Q:PQSDtKll[E:EQCH•K)]

E a ra :a TR3EQ(PDOfRP(RP0fPO<HrPJJ•H•K• PODFRP(RPOFPDtKrOJJ•EOPDRP2CH.Pl•E• EOPORPl(I(,QJ J

E ; EQPOERP :: ISRPIPDCRPOFPDCH•P)•RPOFPO(I(,.Q), TB•. IVto•J

Q 1 [I:ISCRPOFPDCH,PJ•RPDFPDlK,Q)JJ

z a n

I a EQPOIRP ta fR3EQtH.P08FRPCRPOFPOCHrPJJ, PDDFRPtRPOFPDCK•Q)JrK~EOPDRPlCHrPJ• T9•.tV10•,[QPORPZ<K*Q))

H a tN:HEGOCHJJ[KtDIFltO:NEGDCr.ll[E:EQCH•KJl

E a HO :• TR3EOCNDOFRPCRPOFNDCH,NlJ•HrKr NOOFRP<RPDfNOCK•U>J•EONORPZCH•N),[, EONORPUK .. O) l

: EQ(A,.p)QfRP<RPOfPOCbP))) : EQCPODr RP<RPOFPOU, P) hU

: CUT

: EOCA,fGOFRPUPOFifOU,.NUJ EQCHDDF RPtRPOfNIHA• NUrU

: EOCPDOFRPCRPOFPD<H•f')),PDDFRPCRPOFPOCK•Q))J

: EQOhiO

s

s

s

s

s

s

s

s - 4.5-

Page 8: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

ui VlO

•IVU

+•IVtD

•IvtD

+•IYU

•I VlO

E OI EQNDERP :: ISRPINDCRPOF'NOCH#N)~RPDF'NOCK•Ol~ no·. rvto•,

0 a II:ISCRPDf'ND(H#NhRPOPUHK.GHl

I a Tll

I 2 EOHDIRP

<I [R:CJT l

R a UZ

R OI ISRPP!)l

ISRPPOZ

R a T13

R a ISRP't401

ISRPNDZ

AZ 3 tR:CJT l LE!U4A01

LEMMAOZ

A a tR:CUTl LEK11AD3

LEKHAD• A a ASSD

(N:NEGDU) l ABS NO

A a [NtNOTCNEGDCA))l ASSN~D

AZ a (l:LESS<Al~AZ>l ABSOEOL

:= TR3E :l<H• H~OFRPCRPOF'NOCH•N))~ NDOF'P.P<R?::ln.iOCK, Q) hK~EC:!'tORPlCH.Nh Tlt'".IVtD••EONDRPZCK•O))

:: EQPDRPtCPDOF'RPCRJ,pCSO!RPCR))

:= ISRPIPD(R,RPOFPOCPOOFRP(R),POSDIRPCRJ)

: EOUbiO

: EOCPDW RP<R hPOOF'RP€RPOFPD CPDOFRP!RhPCSDI RP< RU))

•TlZ•.IVlO•) : ISCR•R'OfPOCPOOF'RP(R)~POSDIRP(R))) := SYKISCCUT.R.RPOtPO(PDDF'RP<RJ•

POSDIRPUU h ISRPP01> : IS<RPW POCPOOF'RPCRlPPOSDUP<R1 ),R)

:a EQWDRPl(NOOF'RP<R>•NEGDIRP<RJl

:• ISRPINOCR•RPOF'NOCNDlfRPCRl•NEGDIRPCR)) .T13•.IY1!l'"J : IS<R•R"OFHOCNDOFRPCRhNEG3IRP<R)JJ

:: SYMIS<CUT•R•RPOFNO<NDOFRP<R>• NEGD IRP<R) h ISRPt!OU IS<RPO=- NOCNDOFRP<RhNEGDH P( R>) ,.ft)

:: EQI12C41.AZ,.PLCAl•RJrPL<A2•RJ, fRISCCUT-Pl(Al.PtCAZ .. RJ), Pl(Al•Pl(R,.A2J),PL{Pl(Al•R>•A2)• ISPLZ(PLCAZ.Rl,.PlCR,AZlrAlrCOMPL<AZ,RJ ),.,SSPLZCAl .. R .. AZ)Jl

:: SYMEQCOf(Al•AZ>•OFCPt<Al•RJ•PLCAZ•RlJ• LEKIUI)l)

:a TREOCA,OfC1A,2A> .. DFCPL<lA•R>•PL<2A•R>J •REFEQ1(Ar0f(1A•2Al•ISOF>~ lEMHA01ClA•2A•R>>

:= SYMEOCA,QF(PlClA•R>,PLCZA•PJJrlEMHADl> ·- ITECNEGD(AJ,.OlF•OF<ZA•lA),A)

•- REFEQl(ABSD<A>•OFCZA•lAl•ITET<NEGD<A>• Olf" .or (ZA~ 1A hA• fD)

:= REFEOl<ASSO(A),A,.ITEF'CNEGO(A),.OIF,. OFC2A•1A>•A•t0)

:: TREQ(ABSOC0f(Al•A2>l•OF<STD<Df<Al•AZJl .STK(OfCAl•A2l))•0F(AZ·A1),. ABS NO( 0!"'( Alo Al), ~EGO!< U• A2•U ), EOSMSOCSTO<OFCAl,A2>)•STM(GF<Al,A2>)•

EQCA,or (PU lA•R> rPL<2A,R))) : EQ(0F('l(lA•R>•Pl(2A•R>>•'l : Dlf"

: EO<ASSiHAhU

s

s

s

s

$

- 4.6-

Page 9: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IV2)

+20166

•ZD166

AZ 2 [H:MDREISCAt~AZJl ABSOEQM := A9SN!'fO<OF(A1,.AZhT1U"l•IMP"'CNEGOCDf

CN:N(GOUJ! Tl

TZ

E a [N:NOT(NEGOCA)Jl f3

EOABSD

A a tP:PlJSOCU l SATZDHI6A

A ; U:!'iEGDU)]

Tl

CA1,.AZJJ~LESSCA1~AZJ~SATZ1ZlCCAl,.A2rMl ,[T:NEG0(0FCA1,.A2J)] iSLESSIZCSTH<DFCAl,.AZllrAlr STOCOFCAl,.A2J:,.AZ,.sTMI$CA1,.AZ),. ST!HS(Al,.AZlrT>n : EOUBSiHDf"CAhAZJJ,.Of'Ub,Z))

:: TR3ISCCUT•PLCZA,.1BJ,.PLC18•2Alr Pl(1A,.29J,.PLCZB•1AJ,.COMPL<ZA,.1BJ• SY~~~(A,.8,.(J,.COMPLC1A,.28J) : 1S(PLCZA•1B)•PL(28,1AJJ

:~ TR3EQCABSDCA>,.OFCZA,.1AJ,.OF<Za,1BJ,. ABSUtSJ,.ABSNOCA•N>• EQI1Z<ZA,.1A,.ze,.1S,T1),.SYMEOCA8SO<B),. OfCZB•lB t..ABSHO<BrEONEGOU,.B,.E•N J) )) : EOU8Sl Uh ABSO<B U

:: TR3E~CABSO(A),.A,.e,.ABSDCBJ,.ASSNND<A•N>• E•SYMEQCABSDCBJ,.e,.ASSN!'f0(8,.TH3"l•IMP" CNEGDtBJ,.NEGOCA},.N,.tT:NEGDCSJJ EONEG!HB•A•S YMEQ<A,.a ,.[ h TJ )))) : EOUBS!HA),. ABSO( 8))

:= THl•.L. IKP•(NEGDC A) •EQUBSOU J..ABSDCB U ,.(f:NEGDCAllT2".IY2D"CT),. [J:NOT<NEGOCA))JT3•.IV20•CT>J : UUBS> (U,.ABSOCBU

:a EOPDSO(A,.ABSOCA),.SYMEQCABSDCA),.A,. ABSN~D(A,.PNOTND(A,.p))),.pJ : POSDU8SOUJJ

t= PDSDI<zA,.lA .. SATZ1ZZC1A,.zA,.N)l : POSD<Of CU .. lAl)

SATZD166B :: EOPOSO<Df(2A•1AJ,.A9SOCA),.SYMEOCABSO(A) .,Qf( z.a,tAJ,.ABSNOU,. N )J,. u•.zo166•) : POSOC A3 SOU))

B ; [P:P350(A)][Q:POSD<Bll[E:EOCABSüCA),.ABSOCSlJ1 SATZD1&6C := TiUE O<A,ABSD (A hASSD (8 J,.a,

SYKEQCASSO(A),.ArASSNNO(A,PNOTNOCA~P})) ,.[,.A13SNND( a,. PNDTNO (B,.Ql)) EOCA• 8)

8 a [N :NEGOU) HO:NEGOCBlHE:EQ<ABSDU ), ABSO!B ))]

E a T2

E a SA TZ01660

:: TR3EO(OfC2A•1Al•A8SO(A)•ABSDCBJ•. OFC2S ... lB ), SY KEQ<ABSO(A hOFC2A•lA h A8SNO<A•N>J•E•ABSN0(8•0))

:.= TRli S<CUT,.Pl UA, 28 h PU2B• 1A), PLC2A•lB>•Pl<1So2A),.COHPL<1A,.2B),. SY~IS(CUT•PLC2A•l8J•PL(28,1A>, · · [Q[1t{2A,.1A,2S,1B~T2"·2~1G&~)), CO!'!Ptc U•l él D

s

s

$

s

s

s - 4.7-

Page 10: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-SATZ3l&&E :• RAPPD(A,POSO(ABSOCA)J~CT:POSCCA)J

SATZD1&6AO.• f),TH~·L.IMP"'CZEROCA h POSO(ABSOCA)),N),[T:MEGD!A)J SATZOl&ólHA• T))

A a [ZIZE:RDUH SATZO!S&F' :: EOZEROt A.ASSIH AhSYHEQUBSD<AhAr

RZ ;

~z a

82 ;

a ;

B 2

82 a

RZ a

R2 ;

sz a

8 2

ABSNNO~A,OX~TNOCA,Z)~l.Zl -~QREl := MO!ECPL<lA•2Bl•PLClB•2AJ) tM:~~RE<PL<Al·BZ>,PL(81·A2J)l MD~EOllZ :: ISHDRElZCPLCAl•SZJ,PlCSTM(DF'CAl•AZJJ,

ST0(0f<Bl•B2>J),PLCB1,AZJ, PLCSTMC0f(B1•B2>)•ST0(0f{Al•A2J))• 12ISS~SOtA1r~2•Bl•BZlr 1ZISS~50C8l,B2•Al•A2),Ml

[M:KJRE(P~ClA,RZ>•PLCRl•ZA)l) MORE,I1 :a ISHGRElZCPLClA,RZ),Pl<lA,STD<OFCRl.RZJ

J>•PL(Rl•2A),pL(STKCDFCRl•R2ll•ZA>• SKZ!SSHSO<A•Rl·RZ>•lSDISSHSD<ArRl•RZ), H)

[K:MJRE(PLCR1,2Al•PlC1A•R2))J ~O~EDIZ := ISMO~Ell<Pl<PlrZ~i~PlCSTH{Cf<Rt;RZJ),

2AJ,Ptt1A•RZJrPLC1ArSrD<Df<rtlrP.ZJJ), lSOISS~SOCA.R1,R2J~sHZISSHSDCA,RlrR2)• lH

[M:K~RE0(0f(Al,A2),0f'<B1,82l)] MDREOElZ :: ISMIJRElZ(PUST!UDF'Ut.AZJ),

tESSlJ Ut: M:JREDU ,u l lEMKA05 (l:lESSDU ,.g) l

STD<OF<B1rS2JJ)rPl<A1•82Jr PL{STMCDfCBlrB21JrSf0(0f(Al•A2J)Jr PltB1rAZlrSMSDIS1Z(A1.A2rBlr82J~ SMSDIS12CBlr32,AlrAZJ•K)

:= lESS<Pl{1Ar28lrPL<1BrZAl)

lEM~AOS :: SATZ1Z2(PL<1A .. ZBhPLUB,ZAhl) [L:LESSCPttA1•82)•'LCB1rAZ>Jl LESSDI12 := LEMMA05(0f(81,82)r0f<AlrA2lr

MOREDI1ZlB1rBZ•A1rAZrSATZ12Z<Pl<A1•B2J •PL<Bl .. AZhl)))

[t:LESSC PUU, RZJ. PLC Rt .. ZA)) l LESSOit :a LEMHA05COflRlrR2>•A•

KOREOIZCA•RlrRZrSATZ1ZZCPL<1ArRZJr PURlo>ZAhUJJ

El:lESSCPLtR1•2AJrPlC1A,R2))} LESSJIZ :: lEMMA05(ArDFCRlrR2>•

KOREall(~•PlrRZ,SATZ1ZZ<?LCRlr2AJr Pl( lA• R2 hl)))

[L:LESSDCDF'CA1•A2);0F'(81•82Jll LESSDE12 := SAH121<PL<Bl•AZ J.Pl<AlrB2h

MOREDE12tB1r92rllrAZr~EHMA06COF(AlrA2) ,.OF<81•8ZhL ll >

SATZ0167 1: SATZ123CPLC1A,28l•Plt18•2A)l SATZa167A := SAIZ1Z3AlPL<lA~2B)rPLC1Br2AJ) SATZD1S78 :: SATZ1236CPl<1'•2BJrPL<1BrZAJ1 10 :: STH(()) ZO ·- STlH O> ((:E~<ArB>ltf:EQ(C,Q)}[HIHOREO(ArC)l

: POSO Uil SOU U

ZERIH A:l SD CA )) •PROP'

MOREO() F' U1,.A2) ,.Qf'( 81• BZ))

ftDRECP'- CA1r82hPLCSbA2)) : 'PROP•

LESSOC3 rA J

: MORED(9 rU

LESSOO F'CAlrAZ J •OF (Sb 82))

: LESSlP-<AlrBZJ,PLCB1,A2)) OREC H:: Q(A, B hMOREDUr !U •LESSD<A•B>) OR3CEwC A .. S>, KOREt:lU.BJ •LES SOCA.>!!)) EClCEQCArSlrMOREDCA,B>rlESSOCArB)} CUT

: cur - 4.8-

Page 11: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IVZ>

PLCPLC1B•2A);PLClC•20)),pl(PLClA•29)• PLCtO.ZCl>•Pl<PLClA•ZCJ•Pl(lD•ZB>J; PLCPLC1D•2B>•Pl(1A•2CJ). ~PL24C16•20•1C•ZA>•ISPL12<PL(1B•2A)• Pl< lA• 28 >- i'LUC .. 20 h PLUD.ZC >·• SYMEC<A•B•E),f};~PLZ4C1A•2B•lD•2C>• COMPl{ PL UA, ze h PU 10• 2B N l ISCPlPLUS .. ZOhPl< lC• ZU) .PL<PL< 10.28 hPUU~zc> U

T5 := ISMCRE2CPL(PL{l5•23),.Pl(1C•2A)), PLCPLt1D,29),.PlC1A,zC~J.PLCPLC1B•2~>• PlClA•2C)J,.T4•SATZ1350{PLC1A•2C), PLUC. ZA h PI.C lB .. 20 h MJ) : MORE CP:.. CPL( 1 a,zOhPl<t A,z::)) •PUPL< 10• ~Bh FLUA• 2C)))

f ·a tl:LESSOCA•C>J EOlESS012

:: SATZ 13óA(Pl< 1B•20h PL< 10~29 hPl< u .. zc) .rs•.Ivzo'">

:= LEMHAD5f0•B~EO~ORED12CC*D•A•B•f•E*

c a LEMMA06(~•C•Ll))

tE:EQ<A•B>JCK:MDREOCA.CJJ EOMOREDl := EQMGREDlZ<A•B•C•C•E•REFEQCC>•MJ

a a

tHH!ORED<C•A>J EQHOREDZ tL:LESSDU~C)J EOLESSD1 [L:LESSD<C•U J EQLESSD2 HOREQ LESSEO r!UMGREO<A •B)) SA TZDlr.&A

B a tt:LESSEQ<A•BJl

:: EOLESS012<C•C•A•B .. REFEQ(C)•E•LJ := DR(MOREO<ArBl•EO(A,.Sl) := OR<LESSD<A•BJ•EQ(A,B)J

:: TH9'"t.OR~CMOREO<A,Sl,.[Q(A,Bl• lESSDtB•A>•EOCB .. A>•M•(T:MOREDCA•B)l LEMMAOS<A•B,.T),.[f:EQtArBJlSYMEQ<A•B•TJ )

SATZD1688 :: TH9•t.OR'"ClESSD<A•B>•EO<A~B)• MORED<S•A},(Q(B,.A),.L,.[T:LESSO{A,.B>l LEMMAO&<A•B•T),.(T:EQCA•B>lSYHEQCA•B•Tl )

C a tE:E~<A•SJl[H:MOREQ<A•CJJ EOMOUQl :: Ttt9•L. OR•< KOREOU,.c hEQCA•C J.

E ; [M:M3REQCC .. A)J EOKOREQ2

E 3 (L:tESSEQ(A,CJl EOLESSEIU

E a CL: LESSEO< c, All EOLESSEOZ

HORED<B•C>rEO<B•C)•H•CT:MORED{A•C>l EOHJREDltArB•C•E•f),[J:EQCA,C)l TREQ1(B,.C•A•E•f))

:z TH9~L.OR•<HORED(C,A),(Q(C;AJ, MOREDCC;B)~EQCC•S>,M,[T:HORED(C,AJl EQMORED2CA,e,c.E,TJ,(T:EQ(C,AJJTREO<C• A•B•T.oEJ>

:= SATZD168A( c,. B~EOMOREQ2tA•B•C•E• SATZ01688(A•C•LJ>~

== SATZ0168ACB•C•EOKOREQl(A,B•C•E• SATZD1688(C;A,.LJi)

I) a ((:E~<A•e)J[~:(Q(C•D>lCM:MOREQ(A,C>l EQHOREQ12 ::: EOMORE01<A~B•D•E•E;KORE02<c~o.A,f,M}J

f' a t:t:LESSEOCA•C>l EOLESSE012 := EOLESSEQ1(A,.s.o,E,EQLESSE~2<C•O•A•f•Ll

)

B .. CMH!JRE::><A•B) l • HORE:lll ::: ORitCHOREDCA~B>rE~<A~B),Hl

: ~ORED<3 ,.o)

: LESSD<B~O)

: MOREO<B,.CJ

: LESSD<B •CJ

: LESSD<C ,.9) : •PROP •

•PROP•

LESSEOt B•AJ

: MORE Q(9 ,. U

: MOREQ(9 ,.c >

fo!OREQ(C •Bl

: LESSEOC: c,.B)

MOREQ(3 ,.QJ

: LESSE~C s,.O)

M:JREQ<A •lH

$

- 4.9-

Page 12: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

.. .._ • .,_~.."..,itl,nPU#J

LESSEOll :z ORil(LESSD!A•Bl•EO(ArB)rll LESSEOC AriU B :1 CE:E:HAr.Bl l

MORE~ I~ :a ORl2CKOREDCArBlr(Q(ArB)r() : KOREOc:A •BJ lESS~OIZ := ORI2CLESSD<Ar8)rEO(A,SlrEJ LESSEQ( A,.B)

B ; (lof:MJREQ<A,BJ J SATZ:>167C :: TH7•L.EC3"CEQ<AtBJ,KOR".OlA,8)r

tESSC<- .. eJ,SATZ0167S,.COHOR{KOREDCA,.B),. EQU.r8Jrl1D NOHLES SD<ArB))

8.41 tL:LESSEO< A,.B) l SATZi>1&7D := TH?•t.EC3w((Q(A,BJrKûREO<Ar8)r

lESSD<A•BlrSATZ0167B•Ll NOT<HOlEOU .. B)) B 4l (N:~~TCHDREO<A .. BJ>l

SATZJ167E :: TH2•L.DR3~CEQ(A,B)rMOREO{ArB),. lESS0(Ar3,oSATZ0167ArN) LES$(:)[ A,B)

8 :1 [N:NDTCLESSOCAr8))] SATZD167F' :-= CCKORCEO<l•B>•HOREO(Ar~),

TH3•t.CR!•((0(Ar9),H0REOCA•8)r lESSOC~·S1rSATZ0167ArN)J. HORt OU ,9)

s a [M:Kt'IRED<Ar8)] SATZiH&TG :: T~l·t.IMP•ttESSEQ(A,BJr~OTCMOREOCAr9))

.~ELI<~DREDCA,3JrM),(T:LESSEQCArB>l SATZ01&7:l<T)) : NOf(tES SEOC A .. B>)

a a ruu:ssou .. a n SATZ!H67H := TH3•t.IMP"(HOREO<Ar8J•NOT<LESSD<A•8))r

iiELl tlESSO (I,, B )rlh tT :MOREQC A,. 8) l SATZD1ó7C( T)) : NOT<MO~EOCArBU

8 4l [N:NQT(HOREOCArBlJl SATZiH67J :: OR3E3(EQ<Ar8 h MOREOU .. BhLESSD<A,B h

SATZ01&7ArTHS"L.oR•tHOREO(lrBJrEOCArB> rN)rTM4"l~OR"CMOREOCA•B>rEO(A,B>rN)) : LESSOCA •B)

8 ; tN:NDTCLESSEQCArBJ)l SATZ0167K == OR3EtCEQCA .. B>rMOREDCAr8J•LESSO(ArB)r

SAfZ01&7A•TH4~L.OR"<LESSO(A,.BJrEOCArB1 ,N},TH5•t.OR"CLESSOCArBJrEOCAr8)rN)) MOREDCA ,8)

a a tz:ZERO<B>l[P:POSD<A>l SATZ!)169A ::' ISMOP.E12(Pl(1A•l9l,Pl<1A,2S)#PLC2Ar18)

rPL( tB.ZA ),. I SPLZ <lB .. ZBr lA• l),. COMPL<ZA,18)rSATZ135A(1A•ZArlBrPJ1 : MOREDCA r8)

z a [H: MJREDU •8> l SATZD1699 : .. SATZ136DC1Ar2A,ZBriSKORE12(Pl<1A,ZB>•

PU2Br1AhPU 18" ZA> r PU ZB •ZA h CO~PLC1A,.ZB>,.ISPL1C1B•2Br2A,.z),.M)) : POSIH At

z tl (H: NEGO (A) 1 SATZJ169C ::: ISlESS12<PlClA,lB>•Pl<1A•29JrPlCZA,.18)

rPLC1B.2A),.ISPL2Cl9•2S•IA•Z>r CO~PL<2Ar18),.SAiZ1l5CC1A•ZAr1B•NJ! : LESSOU ,.a)

z a tL:.LESSD<A,BJl SATZD1690 == SATZ136f(1A•2A•2B•ISLESS1Z<PLC1A,ZB>•

PU zs,. 1A h Pl <1 s,. ZA h PL ( 28 ,.zA J.. CQKPL<1A•2Bi•ISPt1<1B•ZB•ZA•Z),lJ) NEGlH A>

•Z017) s

z a [P:P!JSDU> l Tl := HOREQil<ABSDCA)r8rSATZD169A{ABSDCAJrBr

ZrSATZ0166A(A,.P>JJ : MOREOUBSO<AhU - 4.10 ° z ; (Y: ZERO U) l

TZ := MGREQIZ<,SSO<AJ,.B•fREQ(AaSD<A>,.A•B' ASSNNO(A,ONOTNO<ArY)),.zEROi:O(A,.a"y,.z}) , HOREQU BSDC A hBJ

Z a (N:NEGDUJl

Page 13: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+20171

•ZJ171

•2D173

•20173

:: MOREOI1CA9SO(AJr8rSATZD169ACABSO(A)r8r ZrSATZ016&8CArH)J)

Z a SATl,170 :~ RAPPDCArKOREOCABSOCAJrBJr[T:POSDCA)l rr•. ZD170•<T h CT: ZERO<A) lT2 ... 20170 .. ( T > ,.{f:NEGO<A )JT3 ... 20170 .. (T J >

C a (L:LESSOCAr8Jl[K:LESSD<3•C>l

u :: SAfZ137ACPLC1Ar28J,.PL<1B .. ZAJoPL(1Br2C}

HOREQ(ABSO<AJrB)

.. Pt< lC•ZBhl• 10 LESS(P'. <PLC u,ze> .. Pl< 18•2!:) h PUPL( 18• ~A), FU lC•ZBJ)) TZ := ISLE SS 12\PU PU u .. ZB hPL C1!h2C)) •

PtCPl(tA .. ZCJ .. PlClB•ZeJ>rPLCPL<lB•ZA>" PL(lt•2BJ),.PL<PlC1Cr2AJ,pL(18r2BJ), ~Pl2~ClAr2B•lB,.2Clr TRIS<CUTrPL<PLC1B.2A)rPLC1Cr28l), PlCPtC1Br2BJ,.PLC1Cr2AJ)rPL<Pl(1Cr2AJr PLUBo.ZB) J. 4Pl24U!J, 2Ar1C rZB J, CD!1Pt.< PLC 1B• 213 l, f'l UC • ZA J) h Tl) : LESS< P. CPL< u,zc hPl< 18r23) h PL( PU lC• 2A J. FLUS• 28>})

'"SA TZ 0171 :: SATZ136CCPU u .. zchPL<lC•ZAJrPUlB,.zB> .rz·.zot71">

TRLESSD :: SATZD1Tl c a tH:HlREO(A,B)JtN:HORED<B•C)l

TlUfO=IE'l :: LEMKAOS<C•ArTRLESSO(C,.s,A,. lEMMA05(B-C,NJ-LEH~A05<A•B•KI))

c a [L:LESSEQCArB)ltK:tESSOCB•C>J

c a

c a

c a

c a

SATZiJ172A :: ORAPP<LESSO(A.B),[Q(A,BJ,.LESSD(A,Cirl• tT:tESSD<A•BJlTRLESSDCT•K),.(fiEQCA•B>l EOLESSOl(B"A,C.SYHEOCA,B.T),K)J

tt:tESSO<A•B>l[K:LESSEOCa*C>J SATZ0172B := ORAPPCLESSO(B"cJ.EQCB•C),.LESSOCA"CirK,

tT:LESSDCS•C)JTRLESSO(L,.T>.tT:EQ<B•C>J EQLESSDZ<B•CrA,J"L))

tM:~OREQ(A•B}l[N:MOREO(B•C>l S.UZD172C :: lEHMAQ6CCrA,SATZD1728(C"B•A,

LEH~A05(8•C•N>rSATZD168A(A•B,H))J (K:KOREDCArBJltN:HOREQ(S.CJl SA TZ0172D :: LEHMAD6<C•A•SATZD172A<C•B•A•

SATZ0168A<B•C•N)•L~HHA05<A•B•MJJ) CL:LESSEQ{A,BJltK:LESSEO<B•C>l

tJ:te:ssou.a u Tl

K ; tE:E:I<A•B> l TZ

SATZJ173 :: ORAPPCLESSO(ApB),[Q(A,.S)•LESSEQ(A,C),. l•[TtLESSOCA•S>lT1•.2D173•<rJ"

LESSOU .c} : LESSOU ,c)

: KOftEOU rC)

: LESSOU "c)

: LESSOU •C>

KDREDU •C>

: MOREDU •Cl

: LESSEOf A•C>

LESSEQ[ A•C>

rr:Eo<A .. SJ nz·.zot73"'(f> > u:sstor t. .. c, TRLESSEO :: SATZ0173 : LESSEQ{ A .. Cl

C a [M:HJREQ{A#BJJ(N:HOREOCB .. CJl TRKO~EO := SATZD168B(C,.A.TRLESSEO<C•B•A•

SATZD168A(B,c .. nl,.SATZ0168ACA•B•HJl) MOREO<A .. Cl

s

s

s

s

- 4.11-

Page 14: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IYZ)

•IVZD

A a RATD :: [T!NOHLEROUIJJJRAIRPtiH"Uff'!JtAB:>IHA1• SATZ0166E(A.TJ))

tRRAfD := NOURATi)(A)} 8 I [(:(Q(A.,BJl[R:RATO<AJl

R a [N:NJTCZERD<B>Jl TS :: TH3•l.IHP•(ZERD(A).,ZERO<B>•N•

'PRDP• 'PROP'

[f: Z ERO<A> JE QZE~O( A•B•E• T J) NOH ZE~ OCU J T7 := EQPOERPCA9S0(AJ,SATZ0166ECA•T5),

ASSOCS )r SATZ'Ol66E(B, NJ.. EtUBSOCA .. B•EJ J : IS<FtPW PO U BSO{ AhSATZ016S EU .. T6J hRPOfPOC ABSDC Bh SATZDli 6E(B,N)))

T8 == ISPCCUr.cT:CUTJRAiRP(TJ.R?OfPD<ABSO(A) •SATZD166EtA,T&Jl•RPOfPO(ABSDCBJ• SATZ0166ECB.NJJ.<T6>R,T7J : RATRPC~PDFPOCA8SD(8).,SATZD166E<B•I)J)

R ; EQRATD := [T:NUT<ZERO<BJJlT8".IVZD•(TJ : RATDC SJ E 3 CI:I~tRATOCAJJ

E:liR'tlTO := TH3•L.IMP•(P.ATOCBJ•RATO(AJ•I• tT:P.ATD<BJJEQRATOC9 .. A•SYH(QCA•B•E),TJ) : IRRATOt 9)

A 3 tZ:ZE!HH U l RATl>I~ := THZ•L.R.I!tP•tNOHZERO<An,.

tT:NQT(ZEROCAJllRATRP<RPOfPDCABSD(A),. SATZ0166E(A,.T)}),.WELI<ZEROUhZ)) 'J RATDUJ

a [R:Cafl[t:IRJATRP(R)l[XO:~ATJ

XO ; [S:RATRPCPL( R .. RPOF'RT( XO))) ][ YO: RAT H J: IS<PLC R• RP!VRTCXO> J,.RPOF RHYOJ}] T9 :: TRISCCUT.PLCRPOFRTtXO>rR)r

PL(RrRPOfRT(XOJ),.RPOFRTCYO)., COHPl<RP~FRTtXO>•R),.J)

T10 := ISHORE1CPL<RPOFRTCXO),.R).,RPOFRTCY0)• RPOF'RTtXOJ,.f9,SATl133(RPOFRTCXOJ.RJ>

T11 := SATZ15~0CYO.xO,T10J J12 := SATZ155BCYO•XO•i11l

T13 :: SATZ140G( RPOfU( YOh RPOFRHXOJ..R,

lS<PLU POFRT< XO J,.RJ ,.RPOF'Rf (YO n

MORE<R" OFRTCYO> ,.RPOFRTCXOJ) : MORE•Rf •no • XO) : tS<RPOFRT(MN•RT•CYO,.XO•Tll))•MNCRPOfRT(YO),.RPOFRTCXOJ•

SATZ15~ A(YO,.XO .. T11J))

SATZ 154HYO,. xo, T 11 ), T9 > IS{q ,M'f CRPOFRT< YOJ,.RPOFRH X Oh SATZ15~A<YO,. )0,. T11 l l) TU

Tl5

XO a REMAqKl

R ; R? RN T17 f18

:= TRIS2<CUT,.RrRPOFRTCMN•RT•cyo,.xo,T11))• HNCRPDFRT<YO),R?Of'RT<XO), SATZ l5.fA<YO, XO. T11)),. Tl3,. Tt2 > IS<R•R" Of'RH H~·Rt•oo, XO, T 11))}

:: SOMEICRAf,[X:RATliS<R•RPOFRT(X)),. 1Uf"RT.,<YO,.XO .. T1U•T14) RATRPC't)

:: SDMEAPPCRAT,[X:RATJISCPLCR.RPOFRTCXG>> ,RPOFRT(XJ),.S.CON,[X:RATJ[T:IS<PLCR,. RPOfRT<XO>>•~POfRTCXlll<T15(X,.T>>I) : CON

:: [T:RATRPCPL<R.,RPOFRT<XOJ))J Tló .. • IV2D•<TJ

:: POOF'RPCR) : N.OOF'RP<Rl = POSO lRP< Rl

pr.;(')T O!H qp,. Tl 'I')

IRRATR~CPl<R•RPOfRTCXOJ))

OIF' Dif

: POSIHR" > NOH ZE~ OO~P))

s

s

.s - 4.12-

Page 15: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T19 (N:NOTtZEROCRPJJl T20

R ; TZl

tN:NJTtZEROCRN))]

:= NNOTOO<RNrNEGDIRPCR))

:: TRJSZCCUT•R• RPQrPO(ABSOCRPh SATZOlS6E(RP,NJ)rRPOFPO(RP•T17), tSRP?Cl<R>•EOPOERP(A8SOCRP>• SATZD16&E<RP~NJ,RPrTl7• ASSNN:)(Rf>•PNOJNO(RP• T17l J ))

:: TR!~{16SOCRNJrOFCSTOCRNJrSTMCRN))rRPr ASS~OCRN~~EGOIRPCR))•EOSMSO(STOCRN), ST~(R;)~PLCRrlRP)rlRP~

'STJIS<lRPrPLCRrlRP>l• STKISClRPrPltRrlRP)))}

NOTC ZE:te(RN))

ISUrR~~' Of PO< ABSO(RP hSATlD 166EtRPrN.J H

EO<ABS) <RNhRP>

TZ2 :: TRISZCCUT,RrRPOFPOtABSDtRN), SATZ0166ECRNrHJ)rRPOFPDlRP,T17)r ISRPPOlCR)rEOPDERPCABSO<RN), SAIZ01SIECRNr"),RP•T17rT21)J

R; [S:CUTl[I:IS(RrS)JtRR:RATR?CRll T23 :: IS~fCCfr{X:CUTlRATRPfXlrR~S•RR•I) RATRPCi J

RATRPU) I ; [RS:~ATRPCSJl

rz~ := ISP1<CUT.tX:CUTJRAfRPCX)•S•R•RS•l>

R ; CRR:RATRP<R>l REHU!(z,\

REMARK U REttnK3A

REMARK3B R ; [l:IRRATRP<R>l

REMUK4A

REMARKCtS REMUK5A

RE11A~K5B A ; ftiATD

UUNATO<A> l

:: (T:NOT<ZEROCPDOFRPCRll)] TZJ•.Ivzo•(RPDFPO<ABSOCPDOFRP(RJ)• SATZD16SE(P00fRP(RJrTJ),fZO·.zvzo•(tJ• RR} : RATO< PIJ OfRPCRU

:= f17•. IV2D• : POSO(P)DfRP(R)) : = [T HUlT< ZE ROCNCOf' RP (RH> 1

T23•.rvzo•CRPOFPOCABSOCNDGrRP(R)J• SATZD166E<NDDfRP(RJ.TJJ,T2Z•.IV2D•CT), RR> : RATOCN)OFRP(R))

:= NEGOIR!>CR) NEG!)(N)GfRP(R))

:: TH3•L.IMP•(RATD<PDOFRP<Rl)rRATRP(RJII• (T:RATOCPDOfRP(R)ll Tz~·.tvzo•(R?OfPOCABSO(PDCfRPCRJJ,

SATZ0166EtPOOfRP<R>•T18•.IVZO•))• rzo•.zvzo•tT18•.tvzo•)p<f18*.IV20•>TJ): IRRATMPOOFRP(RJ)

:: nr•.nzo• : f'OS!HPlOfRP<RH := T~3"L.IMP"(RATO<NDOF'RP<R>>·RATRP(R),l•

tT:RAfO<NOOFRP(~))J TZ~·.Ivzo•CRPOFPD<ABSDCNDOfRP{R)),. SATZ Dl SSE<NO OfRPC R>, T19,.. I.'/20 .. )) • TZZ ... !VZIJ•(f19 ... IVZO•J,.<T19 ... IVZO•>T )) : IRRAT()( NDOF'RP(R))

·- NE(<IHRP<R> ; Nf:GOOOOf'RP(R)) :: ANDCPOSO(Ab[TIPOSO(AJlNAfRP{RPOFPOCAr

J))) t?R~P•

HATPlSO := ANDEltPOSOCAl•[l:PQSOCA>l NATRP( RPC.F'PD (A,. T )). N)

NATDERP :: ANDEZ•t.R•(POSOCA)r(T:POSDCA>l

B ; CE:E~(ArBlltN:NATDCA)l

N•ftp• ; TZ5 (P:PCISO( 8) l TZ6

NATRP(RPCfPO(A~T)),Nl

POSO( AJ

P0$0(5)

s

-4.13.

Page 16: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-IV2)

N a (QHAT;)

a [X:NAT.l li'OOF!\IT

RPOFPOCA•NATPOSO(A,N,J.RPOFPO(BrP>• NAH>ERP<A•l'U,.T25)

:= ANOICPGSD(BJr[T:POSOCBJl NATRP( RPOF' PO (a,. T) ),. T ZS". I Vto•, tT:POS0(8JlT2ï•.zvzo•(~))

:= PDOFRPCRPOFNT(X))

X a U8 := POSDIRP<RPOF'NTUH (P:POSOCPJOFNTCX))J T29 := !SRPPDURPOFNTUH T30 :: EQPDERPCPDOFNHXlrT25oPDOFNHXJ,.Pr

Hl REFE Q{ PO Of NT C X) J )

·- TRISCCUT•RPOFNT{X),RPOFPO{POOFNTCX),. fl8),. RPOFPOC P!lOF NH X hPJ • T29• Tl:J l

;: ISPCCUT,.rT:CUTlNAT~PCTlrRPOFNT(X),. RPOFPOCPOOFNH lU ,p) •liATRPIUJo> T3U

: NATRPUPOFPD(S,.P))

NATOCBJ.

: OIF'

: POSO(PIJOFNTOCU

IS CR POF NHX hRPOFPOCPOOFNT <U" T28))

IS<RPIF POfPDOFMT< Xl • T2 8) .~POF PO C PO Of' NT<XJ,. P) J

lS(RPO~NT(X)•RPOFPD<POOFNT(X),.p))

t NATRP<~POrPDCPDOFNT<X),P))

s

•IV2) S

X a NATOI := Al\IDICPOSD(POOFNHUhi:i:POSO!PDOrNT<U' )JNATRP<RPOFPD<PDOFNT(X),.f)),. J2B•.IV2Q•,.[T:POSDCPOOfNTCX))J T32'".IV20'"HH : NATOCP)OFNHX))

A a INTO :: ORCZEROCAJ,HATDCASS!HAJ)) t •PR!JP 1

Ba tE:Ea<A•Bllti:INTO<A>l

I•RP• a tZ:lERDCAJl T33 ·- EQZEROU,.BrE•Z> : ZERIHB)

t•RP• a CN:NATO<ASSOCA))]

HIV20

T34 :2 EQNATDCABSDCA>,.ABSOCBJ,.EQABSOCA,.B•E>• NJ : NATO<A3 50(8))

I a EOINTD

A a {N:NAT!>CUl

T35

·- TH9Rl.OR'"CZERDCA>•NAT~<ABSD!A)), ZERO!Bl,NATD(ABSD<B>>•I•tT:ZERO(A)l T33'".IV2C'"(f),[t:NATOCABSO(A))J J34•. IV20"tT))

:= SYKEO<ASSO(A),.A,I\IJSNHOtA,.PNCTNO (A,l\IATPOSD<A~N})))

•- EONATDCArABSD<AJrT34Arl\l)

N a 'iATUn := ORIZCZEROUlrNATOUSS!HU >. ns-.IV20 .. ) A a (P1POSD<A>lti:INTO(A)]

: INTOCS)

EQ CA" A8 SOCA) J NATO( A3 SOCA))

INfO( .U

s

$

$

- 4.14-

Page 17: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

z•RP'" ; T3S := OREZfZEROCA>rNATOtABSO(A))rlr PNOTOO<A•P)) NATDUS SO(,A U

-IYU s

t OI 100SINTNATD := EQNATDCABSO(A)rA,ASSN~O(A,PNCTNOCArP)} ,rJr.•. Ivzo•J : NATO U)

A ; [Z:ZEROU>l INTOIO :a QRil<ZERO(AJrNATOCABSD(A)),zJ INTO<AJ

R ; OI:NHRP<R)}

H·IVZl s

N•RP" ; TlT ·- POSOIRP<R> : PDSD(Pl OF"RP(ft)) CP:PDSOCPOOfRP(RJJl T38 :a TRISCCUirRrRPOFPD<PDOfRP(R),f37)r

RPOfPO(POOfRPCRJrPlriSP.PPDl<R>• EC~OEP.PC?DOfRPCR>•T37rPODfRPCR),p,

REFEQCPDOFRPCRllJJ ISCRrR,OFPOCPDOFRP!R>,PJ) T39 == ISPCCUT,(T:ClTJNATRPCTJrRr

RPOfPOCP00FRP!R),p},~.T38) NATRPCRPDFPOfPOOfRPCRJrP)a

-IVZJ s

N ; REPWf't6A := A,.OI (POS!)( PO OF RP<R>) • ( T:POSDC PDCfRPC R) ) lNA TRP<Rf'Of PO<PDDFR?(Rh T > ),. T37•.rvzo•,[J:POSDt~OOFRPCP.lJl

TJ9•.xvzo·n H : NATDCP,OFRPCR)) REMAU6 := NATINTD<POOFRP<R>rREMARK6A) : INTI)(P) OfRP<R))

uiVZD s

N•RP• ; HO ·- ABSDEOL<1RP.Pl<R•lRP), ISLESSZ<PL<1RP•Rl•PL<R•1RP>•1RP• COHPL<1RP.R),SATZ133A(1RP,R))) : EO<ABS) (NOOrRP( In h PODf"RP( RJ)

T41 == EQNATO<POOFRP(Rl•ASSD<~OOFRP(R)J, SYMEQCABSOCNOOFRP(R>i•PDOFRPCR),T~O>• REKARKGAl NATO< AB SD<NOOFRP(R) U

-IV2) s N a RE: HA~lC7 == DRIZCZERO<NOOFRPCR}),

NATOCABSDCNOOfR?CRJ)),T41•.IV20"') INTD( Nl !JfRP (RH A ; CI:INTDU> l

•20174 s

[N:N~T<ZEROCA))l

Tl :a OREZ<ZEROCA),NATOCABSOCA>>•I•N> : NATDC A3 SD<A) > T2 := ANOE:2CPOS0tAlSOCA}),(T:POSDIABSDCA)Jl

NATRP<RPCFPOCASSO(A),f}),T1l : (T:POSlCABSOCAJllNATRPCRPDFPDCABSO(A),TJl Tl := LEKHAIIISCRPOFPDCASSO(A),

SATZD166ECArNJ)•<SATZ01G&E<A•N)>lZ) RATRP(tPOrPO<ABSO(AJrSATZ0166ECA .. Nll)

•20174 s

SATZJ1T4 := tT:NOTCZERO\AlJlTl~.zo174"(i) RAT:> U) 8 ; PO == 0f(Pl<lAr1B>~PLC21•29JJ !HF - 4.15-

82 ~ P012 ·- ISSKSDCPL(STHtDFCA!.AZlJ*ST"CDF<Bl•BZJ )}rPl(Sl0(0f(Al•A2}},Sf0(0f(Bl•B2)~),

PL<A1.Bll•PlCAZ•B2), ISPL12(SfM(0F(Al•A2))rAlrSTM(0f(8l•BZJ ) •91• ST I-: I SCA 1• AZ hST lU SC 8 1•62) h

Page 18: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+IV 3!)

•IV3l

•IV 3D

ISPllZ{SI~(UFtAl;AZ>l•AZ•Sf~(DrtBl~BZJ

),gz,STJ!SC~1•AZ>•STOIStSJ•B2>>J .: ts-t•<)If•PDtOF(Al•AZJ•Df(Bl•BZlJ•OfCPL(Al•Bll• Pl. U 2 ,3 2)))

R2 a POl := ISS~SO<PL!lA•5TM(Or<Rl•RZ>l), PL(2AoS!O<OFtRl•R2Jll•PL(lA•Rl>• PLC2A·R2>•ISPLICSTKCOFCR1~R2Jl•R1•1A, STMISCRl•«2>)•lSPL2(SfD(OflRl•R21J•R2• 2A•STOIS<Rl•R2J)) : IS~E•()lf•POCA•Df<R1•R2J>•Of(PLClA•Rl>•Pl(2A•R2lJl

PD2 := ISSMSD~~l<STMtCfCRl,R2)),1A}, PLCSTDCDF[ql,R2JJ,2Al.PL<R1•1AJ• PI.<R2•2Al•ISPL1CSi~CDF<R1•R2)J,R1•1Ar STMIS{~l•R2>~•ISPL1(Sf0{0f(Rl•R2)),R2• 2A,STOIS<Rl,R2>>J : IS•t•<J IF ,p D< Of< Rh RZJ •Ah Dr< Pl< R 1.o Uh Fl< F2•2-'>) ~

az a ?il(Ol2A :a REFEQ1(Fnt0f(A1•A2l•OF(31•BZ>J• Of<PL{A1~31),pt<A2•82))rPD12) : EQCPOU f<Al .. AZhDfUt. 82 H ,.Of( PU Al .. BI l•Pl U2 .. 82l} >

POE01ZB == REF"E QZ(P!HDf U hAZ >•IJFC81 .. BZ) h OFCPLCA1~3ll•PL(A2•82)J•PD12) : E~<OFt•t<Al•B1>,PL<AZ•BZJ),pQ(0f(A1,A2J,Df<B1•B2JJJ

R2 a POE UA ·- REFEQ1(P0(l,OF\Rl,R2J> .. OF<Pl!1A,R1>• Pl( ZA, R2 n •POl> EO<POCA.OfCRl,.a2>J .. OFCPL<1A~RtJ .. PL<2A.RZJ)l

PDEQ18 :: REF'EQ2 {P!HA, OH Rl• R2 > >•Cf<PU lA• Rl ).o

PL<ZA•RZH•Pvll EQ(I)f(:t l( 1A •Rl hPL< ZA• RZJ> •PO( A•Df< R l•liZ)} J PDE:I~A == REFE01CP0(0Ft~1.R2),A),OfCPltR1.1AJ•

PURZ .. UH.POZ> EQCPOClF(Rl•R21rAJ,OfCPL<~1.1A),pL(R2,2AJ)J

PDEQZB := REfEgzCPOCDF<Rl•R2J•AJ•OfCPl(R1r1A)• PL<RZ.ZAH.P02) [Q(~fC7 l(Rl.lAJ,Pl<RZ,2AJJ,P0(0fCR1,R2J•AJJ

a a SATZlH75 :: EOS~SO(PL(l~.tBJ•PLCZA,zBJ,PL<lB•lA), PLC23•2Al•COMPlClA•lBJ,COMPL<ZA;26)) EQCPD<A;8JrPOCB~A>J

COKPl := SATZD175 EQCPOC~ rBh PD<B;A)) c ; tE:E:l<A•B))

T1 := TR3IS<CUT•Pl(PlClA•1C)~PlCZB•ZCJ), PLCPl(1A•2Ö)•PLC1C•2CJJ~PLCPl(l9•2A); PL(tC.ZCl1•PlCPL<lS•lC)~PLC2A•ZCJ)•

4PL23C1A•1C•2B•2C>•ISPL1(PL<1A•ZBJ• Pt<1B•ZA>•Plt1C•ZC>•E>• 4PLZ3<1B•ZA•lC•ZCJ> ISCPLC•lC1A•lCJ•PL<2SrZC>>•PlCPLC18•1CJ•PL<2A•ZC>)J

EQP01 :• EOI1ZCPL<1A•lCJ,PL(ZA•ZC>•PLC1B•lC)~ PLCZa"zo,n•.IV30,.) : EQCPO(A,.C)"pQ(S,C))

EQPOZ :: TR3EQCPO<C•A>•PD(A•C> .. POC8;C),pi)(C;8)• CGHPOCC, A hE QPO l•CilMPO ( e, C} J EQ(P OC!: "Ah PO< C • B))

0 ; CE:E~CA"B)l[F;EQ<C•D>l EQPDlZ t: TREQCP0<A•C>•POC9•C>•POCB .. OJ ..

8 ; rz:ZEROCAJ J

Z a TZ

Z ; P!>Ol

EQPDlCA•B•C•EJ.EQP~ZfC•D•B•Fl> : EQt~O(,,C>•PD<BrOJ>

:• TR4ISCCUT-PL<PLC!A~1B>•ZBJ~ PU u,. PU 18• ZB>) .pt( ZA ,PLCZ\3.18) h PLCPL<ZA•ZBl•lBJ•PL{lSrPL<ZArZBJ>• ASSPllllArlB.2B>riSPL12t1Ar2A~ PlClB•2SlrFl(28•1B)•Z•CDMPL(lS•281), ASSPLZ{ 21.• ZB ,1 8 ),COY.?L {PL <2A • ZB>, 16)}

s

I

- 4.16-

s

Page 19: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

B a [l:ZERDCBJJ P002 :: TREO<PO<ArB!rPO<BrAlrA•COMPOCA.Blr

PO:>U9rArZH EQ(PO U.rB hU B :1 (PtP3S3<AJ][Q:PGSOCBJl

PPD :: POSDI<PLClA, 1BJrPL<ZA .. 2BJ,. SATZ131(1Ar2Ar1B•2BrP,.QJJ POSD<Pl<ArBll

B a [H:MEGDCA>ltO:NEGD<BJl tlPD :: NEtiD !(PLU Ar l.BJ • PL<ZA• ZB h

SATZ131A(l~r2Ar1BrZS,Nr0J) NEGD<PJ UrB H A a 'I)!) ::: CfCZArlA) Olf'

AZ :1 KlOE:lA == EOSMS0{ST0(0f(AlrA2l)rSTM<OF(AlrAZJJ,. AZ•A lr STO 1 S{At,A 2>~ S TMIS <At,.AZ)) EQCMODC OfCA1rAZ))rDfUZrA1 JJ

HOOE:IB :: SYHEQCHOD<Df'<A1•A2JJ,.Qf(A2rAl>•MODEQA) EQ(i)f U 2r Al ) r HOD ( DfU1rA2l)) s a CE:EQ<A,.S>l

H•IV3:l s

E a T3 := TR3ISCCUTrPL<2ArlBJrPL<1Br2AJr PLC1Ar2BlrPL<2BrlAJ•CDMPLC2ArlBlr SYMEQCArSrEJrCOHPL<lArZS)J I SCPL <2 ArlB h•PU 28, lA) l

•Iv.n s

E a EQMI)O ::: EOI12(2A .. lAr28,1BrT3••IV30•) EQtMOOC AhMOD< BJ) A :3 [?:POSDU> J

SATlll16A :: ~EGOIC2Ar1A.SATZ121<1Ar2A,PJ) : Nt:G!H H' D (A)) A ; [Z:Z!::RIJ(A))

SATZD1768 == ZEROI(2Ar1ArSYMIS(CUT,lA.ZA.ZJ) t ZERD< Hl 0( U J A ; tNH~EG!H.Ul

SATZ!ll16C ; .. PDSDICZArlArSATZlZZ<lArZArNJ> PDSO< H3 D< AJ 1 A ; {I'H NEGOCM00(A))}

SUZJ116D ·- SATZ122(2ArlAriSLESS1Z<STMCMODCAJ)r2Ar ST0CKOOCAl)rlA,STHISC2A•1AJr STOIS(2ArlAJrN)) : POSO< A)

A a tZ:ZERDCMOOCA))J SATZJlTiiE := SYMI S<CUT, 2A, lA• TR3I S<CUT,. 2Ar

STMCOfC2Ar1A)JrSTDC0f(2ArlA)),.1Ar ISSTHC2Ar1AJrZrSTDISC2Ar1A))) : ZERO U)

A ; tP:PlSOCH30(A))} SATZ:J176r := SATZ 12H2A .. 1Ar IS MORE 12<STHCMODCA JhZA"

STO(MOOCA>>•lArST~IS<ZArlAl• STOIS<2Ar1AJrP)) : NEGO( At

A a CZ:lERIHU 1 HOOO ::: ZEROEQ(H00(A)rA•SATZ0116B(ArZ),ZJ EGOlOOt AhA)

•3l>117 s

A a n :: TRISCOIFrMOD(MODCA)JrOFClA•ZA>rAr ISSHSO<STD<MOCCA)),SfH(HODCA>Jr1Ar2A• STOl S( 2Ar1A},. ST!'! IS< ZA' lA) hOFI SU) 1 IS"'E•O If .. H OOOIOD< Uh U

-30171 s

A ; SATZ)171 -== REFEQl(H00CK00(A)),ArT1".30117"J : EQ(HOOt MOO<AUrA~ SATZ0117A := SY~EOCM00(~00CA>J•A•SATZ0177' EIHA• H:J 001000)))

a a tE:E:ICAr'!30CSJ>l SATZJ117S == TREQO!OfHA h MOOOIOO<El )JrBr - 4.17-

EQMODC A• MQO( B) ,E), SA TZD 1 TH 8 lJ · EQ(K00( AhB) SATZ3171C ·- SYHEO<HOOCAJ~C•SATZ0117SJ ECHB•H)û(A))

s a [E:EH lfOD< A>.rB JJ SATZD1710 == SA1ZD177C<B•A•SYH(Q(MOOCA>rB•EJ) : EiHAr HO OCSJ} SATZi>17TE . - SY~!î o'.: ~" :~c·~ !B ''sAr zn 1770, [;)('fOOI: Bh A)

Page 20: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+30178 s

" ., tP:PlSDU> l Tl := TR3E QU!! SI> 011)0<4}); KOiH 1'.00 <Al hA;

ABSD(A>eASSNO{M00(A),SATZ017&Ä(A;PJ); SATZ0177<AlrSYMEQ(A85D<A>•A• ABSNNaCA.PNàTNOCA;P)))} : EQ(ABSl<HOD<A>>•ABSU(A))

A ~ tZ:ZEROU) 1 T2 := TRJEC<ASSO<MO~<AJJ;HOD(A)rA•ABSO(A),.

AaSN~D{HQ){A)rONOTNO<MO~{A},

SATZD1763CA•Z>l)r~000(A,z>,. SYH~Q(ABSOCAJ,A,A3SNNO(A,ONOTNO(A,zJ)) ) : EQUBS) <MOO( Al), ABSO( A))

A ; [N:HEGOU>l T3 == TREQ(ABSOCKOO(A>>•MOO<A>•ABSDCAJ,

ASSNNOC~O~(A),PNCT~J(~OOCA),

SATZ0176C(A;N))l•SYMEOCASSOCA)•HODCA>• ASSNO<A, N))) EQCABSl(MOD<A));ABSCCAJJ

-3a178 s

A a SATZ0178 := RAPPDCA;EQCABSOCMOD(A));ABSD(AJ>• [T:POSO<A>lT1•.30178•(T),(l:ZERO(A)l rz•.30ir8•tT>•tT:NEGOtAJlT3•.30176•(TJ ) : EQ(ABSJ<MOO(A)J,ABSD(A)l

SATZD178A == SYMEO<ABSO(MOOCA)J;ASSD<Al,SATl0178) EQ<ABSIJ (A), ASSDO!OOUJ))

+30179 s

Tl :: POEQ lBU,zA,lU : EO<Or<" l< 1A ,zA) ,pl( 2A.o lA)) •PO< A;JUll)( U)) TZ :: ZEROI<PL<1A.ZAJ,PLCZA.1AJ.oCOHPL(1A .. 2A)

) : ZE~OC D=' CPL( 1A•2A hPl<2A.ol\)))

-3!)179 s

SATZD179 := EVZER0(0f(PLC1A,ZAJ.oPl(2A,.1A)), PO(A,MOOCAJ);Tl•.J0179•.oT2•.3C179•) ZE:RIHPJ u .. KOO<A)JJ

SATZD179A ·- EQZEROCPO(A,.KOO{AJJ,pO(KOD(AJ•A>• CCMPOCA-H00(A}),.SATZD179) : ZERDCPJ(HOO<AJ•AJ)

s a SATZ\ll8D := TREQCMOO(PO(A.oBJ),OFCPL<ZA.oZBl.o Pt<1A .. 18)J.oPDtHOO!Al.oM00(8}); MOCEQA(Pl<lA.olS>•PLCZA,zB>>• ?OE012B<ZA.olA,zB,1BJJ : EQCHOOCPO<A•B)l,POC~OO<AJ.oHOO(Bll)

SHZ!>l!J:lA ::: SYMEQ(MOOCPO(ArSJ),pQ(MOOCA>•HOD<SJ), SHZ018!> J EO<PD(~OOtAJ,KODCS)J.MCDCPO(A~BJ))

MD := POC A; 1":00(8)) : OIF' BZ a MDEQlZA := TRtO<MOt0f(Alr~ZJ~DfCB1•32)l,

POCDF<Al•AZ),QF(SZ•BlJ)•OFCFLCAl,BZ)• Pl<A z,. B 1J hE QPOZ OSOO <Of <91 .. 82) ), OFCBZ~B1J,OFCA1•1ZJ,.HODEQA<81•B2l)• POEQlZA< Al•A z.,g:f,B U) : EO<MO(,f(Al .. A2J,Of<B1•8Z)),.OFCPlCAlr82),.p((AZ•Bl>JJ

MOE OI ZB ::: SYMEQCMD(0f(Al,,ZJ,.~FCS1,62)),. D~CPL<Al.o&ZJrPtCAZo3l)),.MOE01ZAl ; EQ{Qf(~L<Al .. S2J .. PLCA2oBlJJ,MDCDftAl•AZJ,Of<B1•92JJ)

RZ a MOEQU :: TREQ(M0(A,QFC~l•P.Z)),p~cA~OFCR2•R1lJ• DH PU lA,. RZ), f'U ZA r iU) h - 4.18 EQP02(H00CO~CRl•R2)),QF{RZ•RlJoA~

MODECA(RhR~ }),PDF.:Q!AC~•fl-Z•Rl }) EQCM0{~,DFCRl,R2>J•DF<Pl(lA•R2>•PLC2'•Rl1J) MOEQla :: SYHE QCMO (A,.QF< R! •R2) )• Jf' <PL <1 A rRZ),.

PLI2A•Rl))•MOEOJA) EOCOF<'" l< lA •R2h PU2A, lU)) ;KOC JI,Df'CR!.R2> n HOE'lZA :: POEOlZACR!.RZ,zA,lA) : EQ<MDrlFCRl·R2),.~),QFCPL(~1•2AlrPlCR2•14)Jl

"!DEO ZB ·- POE!l129( ru •RZ• 2A •lA) : Et:{IJft=''l<Rt .. UhPLCR2o1.lH .HOCI)f(IU,R2hAl 1

Page 21: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

c ; CE:EHArB) J EQKOl :: EO~Ol(ArSrMOOCCJ~El : EQCKDC,,C>•HO<B-ClJ EQMOZ :: E~POZCHOO(A),.HOOCBJ,c,.EQKOO<ArB,EJJ EIHMOC: ,Ah11DfCrE))

0 ; (E:E~CA•BJJtF:EQ(C•D>l EQMOU == TREO<HO(ArC),H0(8,C},M0CS,O),

EQMOl(A•B•C•EJ.EOMD2<C,D-B~F)J : EQ(ItO(,•Cl~HDUhO)) 9 a SATZi>lS1 := TR3EQ(MOO!H0(A,BJJ,PO(MQO(A),

~OOCHOOCB>>>•PO(M00(A),9)•MD(8,A)r SATZ0180(A,MOO<Bl}•EQPJZCK00(M00(8)), 9.~00(A)r5Ail0177{8));CaMP0(M00(~),9)) EQCMODC~OCAr8)),~0(B•A>>

SATZ:l13U := S YKE -Q( !40()( MO (S,A) ), MO C.A ,a) • SATZ0181CB•A)) EO<MD<~•B>•MOD(HO<B,A>>>

•30182 s

Tl := TREQCMO(A,Bl•DFCPl(1A•2B),PLC2A•1B)); ;)>CPL<14,2B)•PL{l3•2AlJ• POEQ1A<A•lBrlBlrEQS0(PLC1Ar2S)r PLC2A•1Bl•PLC1Br2AJ,COMPLI2A~1B)J) EQ(~0(Ar8l•Of(PL<1A•2B)rPL<1BrZAJ}}

rz :::. SYH~Q(KOCA,BJ,Of<PL(!A,2BJrPL<19r2A}), TU : EO<OFt,L<1A•2Bl•PLC18•2A)J,~OCArBlJ

r:s :: STHI S{ PL <tA, 28 h PLu a, 2A l) IS{STHC Of(Pl< 1A•2ln ,pL( lS• 2AJ J J ,pL( H, a)) Tlt := STDISCPL<1A•2BJ•PL(19•2All IS<STOt0f(Pl<1A•2El•PLC1BrZAJ)),pl(1B,2Al)

•3'182 s

(P:PDSDCKO(ArB)ll

H3D182 s

P a rs :·= EQPOSO<HO<A•BlrOFCPL<lA•ZBlrPL<1B•2AJ) ,.rt.P> P::ISDC OrtPl( 1A•2B hPlU a,z, U)

•30182 s

P ;a SATZ3182A := ISHDRE12<STH(Of<PL<lA•2BlrPL{18rZA)))• PlC1A.28)rSTOCOF<PLClA•2B)rPL<1B•ZA))) rPL(1Br2A>•T3".30182••t4•.3D182•• T5ft.30132"J HOREOU •B>

B a tZ:ZERDCHD(ArBJJl

H3018Z s

z a r& := EQZEROCHDCA,BJ,OfCPl<lA,zB>•PL<lBrZA}) .n.n lf:RO(Or CPL( lA•ZBJ•PUl BrZA )))

-30182 s

Z iJ SATZ:>lSZB ·- TR3ISCCUT,PLC1A,ZB>rSTMCDF<PLC1Ar2B), PLC16•2A))),STOCDFCPLC1A.ZSJ,PL(19,2A> ))~PL<lB•ZA>•ISSTHCPl<1Ar2B>•Pl(15•2A> ),TS".30162",T4".30182*) EO <A, Bl

B iJ [N:NEGO<HD(ArB))]

H3!)182 s

N iJ T7 ::: EONE~D{HD<A•B),Or(?l(tA .. 28>,Pl<lB•ZAJJ - 4.19 ,Tt,NJ NEGDCOF<PL< UrZBHPUlB,z' )))

•3i>l52 s

N ~ SA'I'Z!llS2C ::: ISlESS1Z:SiKCCf<Pl(1A.ZB),PLtlSr2A)})•

Page 22: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•3C1!!Z

•3&1!!

+30133

•30133

8 ; tM:MORED<A~B)l

H ~ TS

1t ; SATZJUZO

6; tE:E~CA.oBll

E ;~ T9

E a SATD18ZE

B ; tt:LESSDCA.oB)l

L ; HO

l a SA TZ:>le ZF

a ; u

B ; tM:HOREOCA.oB>l SATZJ183A

8 ; tE:E:ItA•B>l STAZ183B

B ; CLtLESSDCA.oB)J SATZ0163C

TT•. 31Jl62'")

:= EOPOSO<OF<PLttA.ZBl.oPL<lB.oZA)).oMO<A.oB) ,rz-.3otaz•.ra•.3otsz•>

: = EOZ(ROCOH PU lA• ZB),. Ft( 18 ,.ZA) );MD (A,. B) .. rz·. 3~taz· .. T9 ... 3:Haz· >

:= EONEGD<DfCPLt1ArZB).oPLC1B,2A)).oHO<A#B>

: POS!lOt> <A..B))

ZER:JOD u~a))

,.rz•.Jotaz· .. no-.3:.naz·l : NEGD<MJ u~s"

:= TRiSCCUT .. Pl<lA,.2à>.oPlC2B.o1A}, Pl<STMCM00{8)l•Si0(M00(A))).o COMPL{lA,.ZS>•l2ISSHSO<ZB.olB.oZA.olA))

:= TU!hA>

:= ISLESS12tPLC1B.oZA>•PL<STHCMOO<A>>~ STOCMOO{B)J),Pl<1A~2B>~PL<STMCHOOCB)), STOCMODCA))lrT2~.30183•rT1".3018l".o

: IS(PL<1 A.o2B hPLC STMCM00(8) hSTOO!OD< Al))) IS(PLtlB.o2A).oPL(STMCMOOCAJ),STO(M00(8)))}

lE!iHAOSCA,B.o H) > : LESSDnOOU ),.MQO(Bl)

:= EOMOO<ArBrEl : EOCMQO[ AlrMCDCBll

·- ISMOREltCPLClBrZAJrPL<STMCMOOlAJJ.o STOtHODtB)ll•PLClAr2B)rPLCSTHCH00(8)), STO<MOO(AJJJ,i2".30183"rT1~.30183", lEHHAD&!ArBrLll MOREO<~OD(A)rMODCBll

B a Ct:LESSD<KOD(Al.oMOOCBlll SAT!l183D :: E~HO~En12CK0C(M00(A)}rArMODCM0~(3)).o8.o

SATZD177(Al~SATZal77(9lr

St\TZ !H33CO~ODO h·!o!OiH e > ,l H : IU!aED U .. a' B a [E:E~<HOD<AlrMODCBJJl

SATZ3l83E := TR3EC(~.oMOCC~00(.\)),MOOCKOOCB>lrBr SATZ01r7AtAlr~~~~J(M00(A),~00!SlrElr SATZD177<3H

s

s

s

s

s

. s

- 4. 20-

Page 23: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

B a {H:HGREDCMOO<A>-HOD<B>>J SATZ0183F .~ EQLESSD12CKODCHOO<A>>•A•XOO<HOD<B>>•B*

A a Tl

T2

T3

A a SATZD1S4

C a ASSPOl

ASSP02

3P023

0 :il ~P023

B :il POMO

M:>PO

0 41 SATZJ1!35

SATZD177CAJ*SATZD177C9>• SATZ0183ACHOO<A)oMOO<B),H))

:= TR3EQCAoOf<PL<lA•PL<lP.P.!RP>>• PLC2A.PL(1RPolRPJ)),Q~(?LCPL<1A*1RP), lRP~oPLClRPoPLCZA•lRP))l,MOCPDOfRP{lA)

.POOFRPC2A>>•LEHMA03CA.PLC1RPolRPllr EQSKSOCPl(lAoPLC!RPolRP>>• PLC2AoPL<lRP*lRPlloPLCPLC1AolRPlolRPl* PL<lRPoPl(2A•lR?l)oASSPl2(1AolRP•lRPlo 3PL12C2A.lRP.lRP>l•HOEQ12B<PL<lAolRP>* 1RP•PL(2AolRPlolP.P>>

:= AH03IC?CSO(P90FRPC1A>>•POSOCPOOFRPC2A) )o(Q(AoM~(POOFRP<lA),PQOfRPC2A}l)•

POSDI~P<lAJoPOSJIRPC2AloT1>

:= SOME!<DIFoCX:OIFlAND3<?0SOCPDOfRPC1All oPOSC{X)o~O(A~MO<PDOFR?ClA>oX))),

PDOFRPCZA>•TZ>

·- SOMEI<OIFo[X:DiflSOME•t•<Oif,[Y:Oifl AND3<POSOCX1oPOSD<Y>oEQ(Ao~O(XoY1)))*

LESSOU -B>

EO< Ao 14) CPDO FRPC 1 A>* PDOFRP< 2A)))

AN03(PJSD<POOFRP(lA))*POSD<POOFRPC2A))o (Q(A* M:l CPDO fRP( lA>- POOFRP< ZA))))

SO~E·L•<Dif-CX:OIFlAND3<PJSOCPOOFRP<1Al),PCSDCX>• EQ<A,KJ CPDOnPC lA),X))))

POOFRPC1A),T3w.30184w) : SO"E•t•<DIFo[X:OIFJSOME•t•<DIF,[Y:OIFJAN03CPOSD<XJ,

·- TR3EC<POCPO{A,Bl,CloDF<PL<PL<1A,lB>• 1C>,PL<PL<ZA,zB>•2Cl>• OF<PL<lA•PL(lB,lCl),PL<2A,PL<2Bo2C>>>• POCAoPD<B•C))oPOEQZACCoPL<lAolB>• PU ZA, ZB J J.E QSKSD< PUPU lA .1 B J.lC), Pl<PLC2A,2B>-2C>oPL(1~•PLClB•lC))o PL<2AoPL<2B,2C)),ASSPC1ClA,lBolCl• ASSPL1<2A•28•2C>J,PDEQ18(A•PL<lB•lC)•

POSDC Y) ,(Q( A,I!O(X,y ))) >>

PU Zfl, 2C > >) EIHPO(:t OCA* BloC> ,PO CAo PD<B•C>)) •- SYHEQCPO(POCA•9l•C>oPDCA*PD<B•C)),

ASSPOl) EQ<PD(A,POCBoCJ),pQ(PO<A•B>•C>) :: TR3EQ<PD<PC<A-BloC},PDCAoPOC9.C)),

PDCA,POCC,B>>•PDCPO<A-CJ,B), ASS?Dl(A,B,CJ,EQPOZCPDCBoC)oPO(C,B>•~• COH?D<BoC>l•ASSPD2<A•C•B>l (Q(PO(:tQ(A•BloCJ,PDCPD<A•C>•Bl)

:: TR3E !H PO <PO o, B loPO (C, 0) ), PDCPDCPOCA•B>•C>•D>oPDCPD<PD<AoCl*9)o O>•PD<PO(A,c>-PO(B,OJ)oASSP02(POCA,B>• c,Q),EQPD!<PDCPD<A•B>-Cl•POCPO<A•C>•B> oOo3P023JoASSP01<POCA.C)o6~0)) : (Q(PO<'O<A,BJ,PO(C,O)),PDCPO(A,C),pQ(B,Ol))

:= TREQCPOCMOCA•B>•S>•PDt~oPO<HOD<B>-B>>• A.ASSPOl<A•MOO<B>•B>•P002CArPO<M00{8)• BJ.SATZ0179ACB))) EQCPOO! O(A, BJoB>.A>

:: TREQ(MOCPOCAoB)oSlrPO<A•PD(BoHOOCB))), A.ASSPOl(A,SoHOOCB>), PD02CA•POCBoHOOCBl>•SATZ017fC8l)) EOC~0('0<A•Bl•9>•~>

:= TREQ<POCMO<A•B>•HDCCoDllrPOCPO(A,C), PDCMODCB>•HCOCD>>>·M~CPD<AoCJoPDCB•D>> ,4P023<A,HOOCB>oCoMOOC0}}, EQP02CPO<~OJC6>•KODC~l},M00(PO(Br0)),

PO<.~.c >• 5A il0180t.C3• :J) I i E~<PO(II O<A, SloHO<C .. O»rHOC PO<A .. CloPOCB•Dl l l

s

s

- 4.21.

Page 24: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-30138

-30188

H31)1!J8

-30188

U·3:J188

-30188

H31)166

•3ilU6

ç ; SATZJ18ó := ASSPOl !3 ; SATZIH87 A :: TP[Q(?0(8PMJ(A.S)JPP~[M0(A•B)r8);A•

COMPO(B,~O<A,Sl!.POKO)

tX:DIFl[E:EOCPD<B•XJ•A>l SATZ3167C t= TREQ<HD<A•B>•M~(PJ<X•BJ•B)•X•

SATZJ1570 X; CE:E~<~D<X.~),A>l

SATZ0167E.

SATZ0187F

c a u

T2

H ; T3

E~H01(A,?OCX.Sl•3•TREQ1<~•POCX,Bl• PO(B•X>•E•CCM?~C9.X))),~OPO<X•SlJ

:: SYMEQ(!iOU.Sl•X,SHZOleTCl

:e SAT10187CtTREQ(?~<S•Y.>•PO(X•B)rA• COM?C<a.XhE >)

:= SYMEC<MD!A,g>,X•S4TZ0187EJ

:: TR3E~(HO<P~(A,Cl•PJ(B•C)),pQ(P0(ArC)r POCM00(S),M00(C)]),P0(H0{A,Bl•HD(C,Cl} •HO<A•S>•EQPC2C~O~<POtB•C>>•PD<MODC8l• H00( C > h PO U .• c ), SA HO l6lHB, C >), 4P023<A•C•MOD(B)•~GDIC)),pQQ2CH0(A,B)• KD(C"C)•SATZ0179(Cll}

::: SY~EQ( ~OCPD< A. .. CJ .P:HS•C) J,MoU.B h Tl)

·- EQPOSO(HO(PO<A•CJ,PDCB•C>JrKD<A•B)#Tl* SATZ016ZDCPOtA.CJ,PDCB,CJ.Kl)

H ; SATZ3159A := SATZD132A(A,a.T3~.30188") Ca [E:EQ<PO(A.C),PO<BrC>>l

Eau :: EOZEROCHOCPDCA•C>•PD<B•C)),MO(A•BJ•Tl•

EQCP 0<3, HOC A• Bl > •AJ

t EQC'4DU~BhXJ EQOC,'4) CA .. I'! U

EQ(MOc.\,.BhlO EO<X•H) (A,.B>l

EO<MCP DU, Ct.PD<B• CH .HO( A,S)) EOt~OtA.B>•HDCPOC~•C>•P0<9•C>>>

f'DSD013 U.oB))

SATZ0162(( PIHA.c ), POCB,c ),EJ J : ZERDUG (A,B))

E Cl S'TZ0188B := SATZD182B<4•B•T4·.3~188•J C Cl tt:LESSDCPO(A,CJ,POCB.C>Jl

L a rs

l Cl SATZll86C C Cl tH:M~REOCA•B~J

H a T&

:= EQNÈGD<MDCPO(A,CJ,PD(B,C>>•H0(4•B),Tl• SATZ0162ffPOtA.C);PD<S,C)•L))

:= S.\Tl018.2CU~a.rs•.30l~8"l

:: (!;}!"OSDC HO<A• SJ .~O<~O CA.•C l ~PDCI.hC) h TZ ~ SATZ01820(A~8,~)1

rou~e,

LESSOCA rB}

s

s

s

s

s

s

s

- 4.22-s

s

Page 25: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+*3Jl88

-30158

~ 2 SATZJU80 C ; CE:E::I<ArBll

SATZI)168E C a {l:LESSOCArBJl

!10REOC" OtA~ ChPOCB;C))

·- EONEGOtHOCA,9),~0(PO<A~c>~POCB,C))~T2; SATZ 0182H 4, s,u) : NEG:l01) (POCA ... ChPOt s .. c)))

L ~ SUZ::l1!3!!F' :: SATZD18ZCCPO(A,.ChPOt!3...ChT7•.3D188") : LESSOC~OU,.ChPOCS,.C)) C a CM:HJ~ED<~D(C,.A>•POtC•B>ll

SATZD138G := SATZD168aCEQ~OREÖ12CPO(C;A),.pQtA ... C>• PDtC .. SJrPD<B•C),COMPO!C ... AJ;COMPO(CrB),. MH HOREDU,. B l

Ca CE:E~(PO(C,AJ,PD(C,.B))J SA TZOl38 H := SA TZ0166SCTR 3E lH PO (A,C >,PO {C,. A),.

POCCo3),P~ca .. CJ•CDKPO(A•CJ,[, tOio!P:Hc .. ~nl EQU.d3J

[LtLESSDCPO<C•A>,PO(C;3))~

SATZD168J := SATZ0188CCE~LESS012<POCC ... AJ,POCA;C)" PDCC.3JoPD<S•C);COMPOCC;A) ... C0MPD(C,Bl,. l)) lESSD(A.OB)

C ; [H:MJ~EO(A,Sll

SATZiJ13SK

C a n::E:HA .. B)]

:= EQKOREDlZ<PD u ... c hPO (C,.A ),PDCB .. C .h POCC•B>~ÇJMPO<A•C>,COMP0!8 ... C), SATZ0188000 J

SATZ~1,6l := EOPOZCA .. s,C,[) C ; (L:LESSOCA.B)l

SATZ0188K := EOLESS012CPOCA.C>•PD(C;A),p0(8,C), PDCC.B),CO~PO(A,CJ.CDMPO<B ... C>• SATlD1S8Hll >

D ól tE:EIHA .. BJHM:MOREOCC,O)} SATZD188N ;: E~NORE02CPOCA•D>,p~(B,O),p0(A,.CJ,

EQPO U A .. a~ o~ E) rSAT l0188K cc,o, A, !4)}

SATZD1880 :: EOHOREOlZ<PD<A ... CJ ... PD<C~A>•PO<B,.O)..,

E ; rt:ttssocc .. o>J

PDCO .. B)rCOMPOCA .. cJ .. COKPO(B,O)• SATlD188H)

SATZ0198P := EOLESSOZ<P~(A,Q)..,pO(S..,Q),PO{A,cJ .. (QPOl(A•3•0,[),SATZD188MCC .. O•A•L>)

SATZD188Q := EQLESS012tPO<A.CJ .. PD<C ... A) .. P0(8o01 .. PD(O,Bl .. tO~PO{A,C);CQHPOCB,O>• SATZOl88PJ

D ; [M:MOREO<A•B)][N:HOREO<C•O>l SATZD189 := TRHOREOCPO(A,CJ,POCBoCJ,PO(B,OJ,

SATZD133DCA•B•C•~>•SAiZD188KCC,o ... a.N>J D ~ tl:lESSO(A,BJltK:LESSO<C•O>l

SATZD189A := lEt~MA05<POCB•O>•POU,CJr SATZOle9CBoArO,C,LEHKAOG<A•B•L>• lEM"'AOó( C• Q,.Jo)}

D 3 (~:"J~EO(AoB)J[N:MOREO<C•O)J SA T Z!ll 9:) A : = ORfl PPOW~EOCA, B >, E:IH AtiB h HOREO(PO(A, C J

•POC3.~J>•~•iT:HORED{A•BllSATZ0169!T, Nl.CT:EO<A·S>JSATlD188N(T,NJ)

D a [K:KORED(A,B>ltN:HOREO<C•D>J SATZD19'B := EÇ~êRE~!ZtPO(C,AlrP0<4rCl~PD(O,B)•

P0~3.Ql,~JvPn{CrA)oCOMP~(0•8t,

: MOREDC" Q(C, AhPO(C,BH

LESSOP DCC .. AhPD(C., B))

LESSOP O<C, A),P0(0,8))

HORtOP OU,ChPDCB;O))

MOREOP OU, ChPO(a,ou

s

s

- 4.23-

Page 26: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

SATZ0190AtC~D,A~B•N,H)J 0 ~ CL:LESSEQtA.B>JCK:LESSD(C,O>l

SATZ0190C :: LEMMA?S<PO(B,.DloPOCA~C>• SATZ0190A(B.A•D•C•SATZD1688tA,B.L>• LEMMA~5(C,Q,X)))

D a tL:LESSDCA.BlltX:LESSEQ(C,OJJ SATZ01900 := LEMHAD5CPDCB•DJ•PDCAoClo

SATZDl908<B•A•D•C•LEH~A06tA•B•L>• SAiZDi5881C•D•K>J)

0 a (M:KOREQCA.BlltN:HO~EO<C.OlJ

CE:[~(l•B)J{f:EQ<C•O>l

Tl :: HORE Qt 2< PlHA,. C h PO (8 ,.o >-EQP012{A•B•C•O•E•f))

E a CO:HORED(C,.Oll rz == HOREQI1<POCA•C>•PO<B•D>•SATZ0190A(~•O>

)

E a Tl ::: ORAPP<MOREO(CoO),[Q{C.OloMOREQCPOCA•C> ,pQtS.Q}},NoCT:MORSC<CoO)JTZ<T>• tT:[Q{C,Q)JTl{J})

N ~ CD: HJRED CA •B l l T4 := KOREQI1tPO(ArClrP0(8;0),SATZ0190SCO,N>

'

s

;

MORE OP 1H A• C ),p()( Br 0))

-30191 s

SATZ0191 ·- ORAPPCMOREOCA.S>•EO(A;8);MOREQ(PO<~•C) .PDCB.O>>•~•[T:MORED<A.Bl1 T4w.3019t•cr>.rT:EQ(A•BllTJ•.3D191•(Jl > : KOREQP D<Ar Cl.PDCBrD»

0 a [L:LESSEOCA;BlltK:tESSEQCC•OlJ SATZ)l91A :: SATZ0168A(P0(B•Ol,POCA.Cl~

SATZ0191(8,ArO,C;SATZDl&88<A•B•l)• SATZ0168!HC• 0.10)) LESSEO[ PD<A.CJ.PO(B,Ol l

Ba TO :: OfCPLCTS<lA•lBl.TSC2A,2B)),

AZ a [R:CiJT J Tl

TZ

[S:CUTl T5

T7

PLCTS(lA,2BhT5(2A,l8))) OIF

·- ISTS1CSTHCOr<Al•A2>)•Al•R•STKISCAlrAZl ) IS<TS(S TKCOFUt.A2l h R ),. TS <At,. R))

·- ISTS2(SJM(0f(Al,A2)),A1•R•ST~IS(Al•A21 ) : IS<TS<~rSTH(Of<A1rA2))),fS(RrAllJ

;: ISfSl<ST0(0FCAl•A2J),A2•R•STOISCA1.A2) ). t IS<TSti TOCDF<Al.AZ) h~.J,TS UZ•R»

:= ISTS2<STO<DFCA1•A2lJ;A2.R,STD1SCAltA2) l IStTSit•STO<OFCAl.A2))),JS(R.A2l)

·- ISPL12<TSCSTMCOFCAl•A2!},R);TSCA1rRl• TS(STOC0f(Al~A2)),$J,TS<A2rS)r11CRJr

T 3( S)) I SCPL<T St STIH Of'( U, AZ l) r R> • TSC STO< OF (A 1• AZ)), sn,.

:: ISPL12<T SC R• ST fo4( Of< A l.A2 J J J. TS<R.Al) • Tscs.sr~cor1Al•A2>>>·Tscs.AZ>PT2(RJ• J4( s})

:: ISPL12~ T $( STO( OH Al• A2)) • Rh TS U2•fD, TSCSTMCDF(Al~AZJJ,S>.TSIAl•SJ,T3CR:• TH$})

Pl<TSH l•RhTSCA2rSJ)}

ISCFL<fSCR.STMCOFCAtrA2l)lrTS(S,STOCOFCAl.A2))J), Pl n Sn , Al) • TS ( S ,Az)))

- 4.24-

Page 27: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A
Page 28: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

·-rOEQlB :: REFEQ2(TCtA~OF<R1rR2)),0f<PL<TS{1A.R1> rTS(ZA.R2l>•PL(TS{lA•R2}•TS<2A•RlJ)), rou E'.HOF"P LCTSt U..Rl hTS< 2A .. ~zn,PU TS< 1Arfi2J.TS(2A.R1)) h

TO<A .. OF"(Rl.RZ>ll TOEQ2A == P.ErEQ1(TO<Or<Rl,.F.2i .. A),.Of<PL<TS<RlrlAJ

• Ts< RZ• 2A > h Pl( TS( Rl. 2Al ~ TS(I~2.1A l J), T02> EO<TO()f(Rl•R2J•Al,OF"<PL(TS(R1•1AJrTS<R2r2Allr

PlUSH t .. ZA hTS( RZ.l.\) n) TOEQZS :: REFER2CiD<OFCR1•RZJ,A)rOF<PL<TS<Rl•lA>

,.TS<R2,.2A>l•PLCTS\R1,~A),TS<R2r1AJ)},

T:>z l : EQ(~f{'l(TSCR1•1A>•TS(R2•2A)),pt(TS<R1•2A),TS(R2•1A))), TO<DfU l•R2 >~AH

i-401?4 s

B ~ T1 := ISPL1ZtTStlA•lBJ,fSClB•1AlrTSC2A•2B>• TS<2B•2A),COKTS(1Ar19lrCOMiS(2Ar2BJ> ISCPL<fStlA•lS),TS<ZA•ZB>>•PttTStlB•lAlrTStzB,ZA)))

TZ :: TRISCCCTrPLCTS(1,*2B>•TS(2Ao18)), PLtTSCZA•lSJoTS(lA•ZSJ)rPLCTSilB•ZA>• TS<ZB.1A)),~û~?L<TS<1Ar2B>.TSCZAolB> >• IS?L12C~S~2Aol3J,TSC18o2~l,TS(1Ar2B)•

TSC23rlAloCO~TS<2Ar1B>rCOMTS(1Ar23J)l ISC~LCTSflA,zB>•TSC2Ao19)JoPL(TSC1Br2AlrTSC2Br1A)))

•itOU4 ' 8 ~ SATZD194 ·- EOSMSO<PLCTSC1Ar1BlrTS(2Ar28)),

PlCTSC1ArZ8)rTSC2Ar18)},pl(TS<1Bo1A}r TSCZB.ZA)),Pl<TSClB.ZA),TS<ZBrlA}), rt•.4Dl94•,rz·.4C194•> : EQ(TO(A ,8),. TD<B•AH

CO!Hi) := SATZ0194 : (QH DCA ,ah TO<B• A)) c a [(:(;)(A,B) l

••I 'o/t,J s

E ; u:c:JT J Tll == TR3ISCCUTrPLCTSClA•R> .. TS(ZBrR)},

TSCPLClA,ZB>oRloTSCPlC10•2Al•R>• PLCTS<1B,Rl,ïS(2A.R>>•DISTPT1C1Ar29•R) oiSTS1<PLC1Ar2B!•PLC1Br2AlrRr()r DISTTPlClB,zA.R)) : IS<Pl(fS(lA•R>•TS<ZB .. R)),Pl<TS<1B,.R),TS<2A•R)))

E a T12 := TR3ISCCUT.PL(PlCTSClA.1ClrTSC2A•2C)), PLCTS< la,.zc Ir iS( 2B.1C n).. PLCPl(TS(lA•lCl•TS<ZB•lC)J, Pl<TSC1B•2CJ,TSCZA,.2Cl>>• PLCPLCTSCl8•1Cl,TS(2A•lC>>• PL!TS(1A·2C>,.TSC2B·2C)))• PLtPLCTSCl8•lCJ,fS(2B•2C)), PLCTSC1AoZC>,.TS<2A.lCJ)), 4PLZ4C iS( U•lCh TS<2A•ZC>rTS<lB•2C ),. TS(2S·l~JJriSPltZ<PL<TS<lA,lCl~ TSC2B•1C)loPL!TS<lS•lt'•'SC2A•lCJ),. PLtTSCtS.ZCJ,TS<2A,2C)},PLCTS<1A,2C>, TSC2B•2CJJiTllC1CJ, Tl1<3•A•C• SYHC: QC A,a, E J. 2C t}, 4PL24{TSClB•lCJ•TSC2A•lCJ,TS(1A,2C)r TSC2B, 2C H > ISCPL<?L<TSClA .. lCJ,TSC2A•ZC)l,PL<TS<lB•2C),TS<2B•1C))),

- 4.26-PLCPL(TS<ts.tc>.rstze,zc>J.PL<Ts<lA~zc,.rs<zA,tc}>>,

-IV4) s

E 3 E~TOl := EQI12(Pt<TS(lA,lC>•TSC?.A•2C}), Pl<TS(1~*2Cl.TS<ZA.tr.>J,PLCfS~18.!C},

Page 29: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

D 2

9 ;

+40192

-r.019Z

B :il

8 ~

8 <I

B 2

EOTOZ ::

[E:EQCA•B>lCr:EQ(C,Q)l EHD1Z :=

[Z:ZEROa>l

Tl ::::

SATZ!l19ZA :=

tz:ZEROCB>l SATZ01926 == [Z:ZEROCA>J TD01 ::: rz :ZERIH 8) 1 TDOZ ·-SATZDUTA :=

SATZD1978 :=

SATZD197C . -SATZ01970 ·-SATZD197E ·-SATZ0197f . -SATZ0198 ::

TS!2B•2C)>•PlCTSC!8,2C>,TSC29~1C)), T12 ... I V40"') T R 3E tH TO ( t:,. A h T 0 (A • C h T 0 ( B, C >. TD ( C "B h CO~TO(C,A),EQT01,Cj~T0(8,C))

TREQ<TO(A;C),f0C2•C>,TO!B•O>r EOi01<A•B•CrE),EQTQ2(C,O,B.r>>

TRIS!CUT.PL<TS(lA•1B>•TS(2A•2Bll• PLCTS<2A,1SlrTS<1~·2B>>•PL<TSflA•2B>• TSC2~•1B>>•ISPL12\TStlA•18),JS<2A•lB>• TSC2A.2B>,TS<1A•23>.!STS1(1A,zA,19,z>, ISTSltzA,lA•2B,sTviS<CUT.1A,2A•l>>>• COMPLCTS<2A.1BlrTS<lA.26>>>

ZEROICPL<TS<1A•lB)rTSClA•ZB>>• PL(TS{lA,28>•TS<2~.18)),T1ft.40192")

EQZE RO<TiH s, A>. TOH., B ),COtHO< BoA h SATZ0192A<B•A•Z>>

SATZD192HZJ

SATZ0192B<Z> TR3EaC~DCM00(AJ,BloOF<PLCTS(2Aol8),

TSC1Ao28)loPl<TS<ZA•ZBl•TS<lA•lBJ)), Dr<PLCTS<1Ao2B>,TS(2Aol8)), Pl(TS(lA•lBl.TS{2Ao2B>>l•M00(TOCAoB})o TOEQ2ACB.ZA.1A>•E~SKSO(PL(TS{2Ao1B>• TSClA•2S>>~?L<TS(2~·23)oTS(1A•1B>>• PL<TS!lA.2B>.TS{2ArlBlloPlCTS<lA•lB), TSCZA•2BlloCOMPL<<S<2A•lB>•TS(lA•2B>>• COMPLCTS<2A.28),TS<1A•18))), HOOEOB<PL(TS{lAolS>•TS<ZA·ZB>>• Pl( TS< lA, 28), TS< 2A•lS)))) TR3EO<TO~A.M00(8)},f0(~00(B)•A'~

MOD<TO(u.A)J,~OD<TD<A.e>>•

CCHTOCAr~00(8)>•S~TZD197A(B•A>• EQMOO<TD<S,Al,TO<A~B>•COHTO<B,A)}) TREQ2<TO(M00CA)r6lrTO<A•M00(8)), MOOCTO(A,Bll,SATZD197~.SATZ0197B) SYMEQlTO(K00(Alr6JrTDCA•M00(8}), SA TZ0197C l SYME Q(TO O!O!H A>, B },. MOO·<To CA, B)), SHZ0197 Al SY~EQtTD(A,MOO(B>l.HCO<TO<A,BJ),

SATZ01979) T REQ CTO< !'IOOH h MOiHB) l, TO (A,MOOO!OD< B > )),T0\ArB>•SATZD197C<A~M00(8)), EQT02(M00(MOOC8Jl•9•A•SATZD177{8))J

SATZ!l1964 := S':'l-lE QOOOWO CA },!IO!HS) ),TO<A,B ), SATZD198)

tP:POSOC~>JtQ:?OSOCS>l

s

$

ZERtHT!HA•B))

ZERlH T) tA•B U

ZERO( Tl (A,B))

- 4.27-

s

Page 30: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•H'4)

++40192

ru

rs:c!Jr J T14

Tl5

:: TRIS(CUT•PLCTS(R,~~ClB•ZBoQ)),TSCR,2B) )rTSCR•PL(~~(l8•2S•Q),2B>l•TS(Rr1B>• OISTPTZCR.~N(!B•29,Q),Z6Jo ISTS2!Plt~NC1B,ze,~>•28J•lB•R• SATZ140E(l9,2BoQ)))

•- !RtS<CUT•PLCTS<R,MN~18o2B•O>>~ Pl(TS(Ro2B)o5)}•Pl{Pl(TS<Rr~NC1Br2BrQ) ),TS{R,ZS}),SloPLCTS<R.18)rSlo ASSPL2(T5{R,MN<l3o2S,Q)),TSCR,2SloS}• ISPLlCPL<Ts:q,M~<lB•2BrQJJ,TSCRo28)), TSCRo19hS .. Tl3!)

:: TR1SCCUT•PLCTSCR.~N(l8•28oQ)), PU T S { R, 2 8 ), S ) i, Pl {T S ( R • 18 l • S ) , PL(S,TS<P.•l8)},T14rCOMPL(TS(RolS>•S)>

Q :" TH> ·- S~TZ133HCPlCTS(lAo28>•TSC2A•28))o PLCTs:zA,2BloTSClAo23)), TSClA•M~{lSo2B~Q}},TS(êAoMN(lB•2B,QJ),

COHPL(TSC1Ar2!J,TSC2A•2Bt>, SATZ1'5AtlA•2A•'N{lB,zS,QJ,p))

Tl/ :: IS~ORE12<PLCTS(lA,~NC1Bo2S,Q)), FLCTStlA•23l•TS<ZAo28J>J•Fl<TS<1A,lSJ, TSC2A.2BJJ,PLCTSCZA,HN<lB•2B,Q)), PLCTS(2A•2B},fS{lA•2BllJoPlCTS<lA•2B>• TS(2A,l6)),f14<1A~Ts<2A•28}),

Tl5(2A.TS(1A,28))ofló)

0:3 PTOP:. := POSOHPL<TSC1A,.1SJ,TS(2A,.28)), PLCTS(1A•2B>•TSC2Ar1BJJ,T17•.JV40•)

8 ; (P:POSD(A)J(N:NEGO<B>l

N ; T18 ·- EOPOSO(TO<A.M00(8}),.M00CTOCA,.8JJ, SATZ0197B<A•BJoPTOPP<A•MOOtBJ,.p, SATZ0176C<B.NJ))

" ; a ;

8 a

B ;

0 ;

p ;

p 3

NTOPN := SATZ0176F<TD<A•9>•T18ft.IV40•J (N:NEGD(A))[~:POS~(BJl NTON~ :: EQNEGO<TD<B•~J.Ta<A•B>•CCHTD<B•A>•

NTOPNCB,.A,P. N)) {~:NEGO<All[D:NEGD<B>J , PTONN :: EQPOSDCTOOfOOCA>~140iHBllrTOCA .. Bh

SATZ0198(A~B>•PTOPPCMOOCA>~MOOCB)• ~~TZ0176C{A,Nl.SATZ017&Ct8.0)))

{N:NOT<ZEROCA>>l[O:NOT<ZER0(8))J

(P:PDSDCAll[Q:POSCCSll T2 t~ rNOTOO<TD~A.a),PTOPP<A~s,p,.Q))

PI OI EG 0 ( B >l n Tlt

·- N~OTO~(TDCArB),.NTJ?N<A~a,F,M>>

•- RAPPO(B,NOTCZE?.O<TG(~•B))),[J:POS0(3)1 T2(JJ,TH2•L.IMP•CZER0(81P NOTIZEROCTD(A,6l'J•0)r[T:NEGD<B>JT3(T) l

ISCPLH SCR,. MNC1B .. 2S.QJ hTS(R,.ZBHrTStR•lB> J

MORE<P~CTSC1A•HN(1SrZB,Q))•Pl(TSC1A•ZB>•TSCZA#~S)))• PUTS<Z A.MNClB•ZB•Q H• PLU S<ZAr28hTS< Ur2E )) > >

POSO<Tl u. .. a))

POSOOO OCTO( A,B) I)

NEGD(TJ CAo8))

NEGOt Tl (A,.B))

PIJS!lCTl <A .. B))

NOHZE~O<TOCA,B))l

$

. $

- 4.28-

Page 31: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-4ctn

0; tM:NEGOCA)J[P:PDSO<S>l TS :: NN~TOO(TO(A,SlrNTONPCArS•M•Pll : NOTCZE~D<TO(A,Bll)

!1 ~ tl:NEGOCB) l f& :: PNOTOOCT~<ArBlrPTONN{Ar8rMrl>) NOT(ZE~O{TO(A,B)))

K ~ T7 ·- RAPPOCSrNOT(ZER0(T~<A~6))),~T:POSD<8)l TS<TlrTH2•L.I~P~<ZERO(B),

NOTCZEROCTO<Ar9J)),Q).{J:NEGD<BJlTGCTJ l NOT(Z~O<TD<A•S)))

0 ~ SATZ:>1920

Z 4 tN:NJTCZERO(A))] T8

Z :1 SATZ0192C

:: RAPPO{A,~OTCZEROCTDCA•Bll)r(T:PQSOCAl~ T4·.4~192•(TlrTH2•L.IM?•(ZEROCA}• HCTtZERO{TQ(ArB))J,N),[T:NEGDCAJl T7 ... 4!)1g2•(T)}

:= ET<ZERO<B>rTHJ•L.IKP•<NOi<ZERO<BJ)r NOT(ZERO<TD<A.SlllrHELICZE~OCTO<A•Bllr ZlrtT:NOT<ZEPQ(S))JSATZ01920(Nrf))l

B ~ CP:POSO(A)J[Q:POSO<B)l Tl :: TRE02(ABSD<TD!A•B>l~TD(ASSO<A>~ABSO<BJ

),TO{ArBl~ABSNND<TOCA.B),

PNOTNO{TOtA.Sl,PTOPP(A•B•PrQ)))~

EQT~!2{A8SO<A>.A,ASSDCB>•B• ASSNNO(A•PSOTNO<A•P)),

ZER!H Bl

OR<ZERl <Ah ZERO( B> l

ABSNNO<B•PNCTNO! s, 0))) > EO <ABS:) U 0( A,B) h T O<ABSOU hA BSO( Bl) J p ~ {N:NtGOCSJl

T2

T3

B OI tz: ZERO <A) l fit

g OI tz:ZER!HB> l

:= TREQ(A8SO(TD(A;8}),H00(T0(A,B)J, TDCArHOD<B>l~ABSND<TO<A~Bl• HTOPNC A.S .. p, ro ), SA TZIH97F u,s)) EQ<ABSJ HO< Ar 8)) .r TQ(A., M00( 8)) l

:= TREQ2(ABSO<TO<A•B>>,TD(ABSO(AJ,ABSD<B> );f0(Ar~00(B)JrT2oEOT31ZCABSOCA)•A•

ABSD(!)oKODCBJ,ABSNND{A•PNOIND<A•Pllr ABSN0(8,N)J) t EO<ABS~<TOCA•B)),TO<ABSD(A),ABSOCBJ))

:= ZEROE~<ABSO(T0(A,8)),T0CASSO<A>• ASS0(8))pSATZDló6f(TO<A•B>·TD01(A,B,Zl ),TQ01CABSOtA},ABSD(B>•SATZ0166f(A•Z>> > EQCABS~CTO(A,S)J,TO<ABSOCA)rABSOCB)))

T5 := ZEROEQ<ABSO<TD<A.B)),ïD<ABSD(Alr A8SDCBJJ~SATZ0166FCTOCA•BI•TD02CA•B•Zl >•T002(ABSOCA),ABSOCBJ.SATZ0166f(BrZ)) )

B ~ [~:NEGO(AJJCP:POSOCB)l T6 :: TR~EQCABSO{TD<~•BlJrABSO<TDCS•Al)r

Pf :1 {Q:NEGOCB>l f7

TO(hBSu(Blr~BSD<A>>•TDCABSO(A),ASSO<Bl

J,[QA8S~{;D(ArBlrTO(B•AJ~COHTOtA•B)),

f3(BrA,P•NlrCGMTO<ABSOCBi•ABSOCA)))

:: TREQ(T0(A8SO{A~PA8SO<BJJ•T0{~00(A), ~OD<P,),TD!~.~l~EQTD12tABSD(4).M0~CA>•

(Q(ABS!HTD( A. SJ hTtHABSDCA ),ABSO(f3) > J

s

s

$

s

- 4.29

Page 32: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

Aö~U\UI#MUUl~lrAö~NU\A•~J#Aö~NU\U#UJJ#

SATZD1980.B)' EO<TOCA BSO{ Ah ABS lH 8)) r TOC A,.S)) T8 ;:: TREQ2(ABSO<TOtA•8)),;0c4BSOCAl•ABS0(8)

),TOCA.B)rABSNNa<T~<ArB)r PNOTNDCTD<ArB>•PTCN~CA~B•N•OlJJrf7} EQ(ABSJ <TOC A•!D hT!HABSOU >•ABSO(B)) J

8 ; (P:P:JSOCA) 1 T9 :: RAPPIH a. EiH A !3SO< TD( A .a) J • TOCABSDU h

ASSO<BJJ},[T:POSO<B>JT1(P.ïJ, [T:ZERO<B>lTS<T>.[T:NEGO<BllT3CP•T>> EOCABSJ(T~(ArBJJrTO(ABSOC'>•ABSOCB>J>

B ; [N:NEGOCAJ l TlO == RAPP0{8?EQ!ABS~<TO<A•3llrTO(ABSOCA)r

ABSO\BJJ),(T:?OSOC~)JTGCN.T>•

CT:ZEROCBl~T5CT>•tT:NEGO<BllT8CN•T)) EOCA8SJCTDCAr8))rTOCABS0(4JrABSDCBJ))

•40193 s

B a SA TZ0193 := RAPPO(;,EOCABSDtTO(A,B}l,TOCABSO(A>, ABSO\B))),(T:POSDtAJJT9*.40193"(Tl• {T;ZERO~A>JT4·.4~193*CT),(T:~EGD!A)J T10 ... 4t!193 .. t T)) f.:Q<ABS:l <TD< A .. S)) • TO CAB SOU hABSlH B>l)

SATZ'H03A ::: SYHEQ(,3SDCTO<A•B>)rTO<ABSO(A),ABSO<Bl >•Sjl. ïZJ! 9H [Q{TOC,BSO(A)rABSO<B)l,ABSQ(TO(A,BlJl

;; lOF' ·- POOF RP( 1 RP l OIF"

+40195

A ~ Tl ·- TRIS<CUTrPL(PL<TS<lA•PL<lRP•lRP)); TSC2A•1RPll•2AJ,Pl(TSC1ArPL<lRP•1RP)J, PLCTS[2A.1RP)r2A>l,?LCPLC1ArlAJ, PtC2Ar2AllrASSPL1<TSC1Ar?L(lRP•lRP}lr TSC2Ar1RPJr2AlriSPL12CTSC1ArPl(lRP• 1RP}},PL(1A,1AJ,Pt(TS(2A,1RPJ,2A)r PL(2A•2A)rA2ISAPA!1Al•ISPLl(TSC2A•lRPl ,zA, 2A, SH Z151<ZH)) > IS<PlC,lCTS<1A.PtC1RPr1RPJ),TS(2ArlRPJ),2Al,

PLCPL<l A• lA) ,pl.( 2A• 2AJ)) TZ ·- TRIS!CUTPPL(lArPLCTSClA-lRPlo

TSC2A,?l(lRPr1RP>>>>• PltPL<lA•TSC1A·l~?)),TS{2A,PltlRPolRP) }J,PL<PL<1A~lA)oPLl2Ar2A>>•

ASSPL2<1AoTS<1A•lP.PlrTS<2Ao?L{1RP•lRPl )1•ISPL12(PL{1Ao!SClA•lRP>>•PL<1A•lA>• TSC2A,Pl(1RPo1RPJ),Pl[2A•2A>• ISPl2<TS<lA•lRP),lA•lA.SATZ151ClA)), A2ISA?A<2A))) IS<PLClA•Pl<TStlA•l~P>•TSCZA•PLClRP•lRP)))lo

PU?L (1 A,lA J • PU: 2A, ZAl)) T3 :: TRIS2<CUT•PltPLCTS~lA•PLC1Rr•lRP>>•

TSt2A•lRP> h 2.\ hPl( lA.?LCTS< 1A•1R?lr TSC2A• ?U 1 RP•lRP Jl) hPLCPU 1A•1A ), Plt2A• 2A) >• T l• T2) tSCPLC,ttTS<1A•PL<1RPolRPJtrTSC2A.iRP))o2AJ,

Pl<lA•2 LtTSCIA•JRPJ,TSC2A•PLC1RPolRP1)JJ)

•41)195 s

A 2 SATZ:Jl 95 :: TREO<TO<Ar1DF1o0f(PL<TSC1A•PLC1P.P•lRP) ),fS<ZA,1RP)),pl{TSC1A.1RPl• TSC2ArPt(1RP.1R?l})).A, TDEQ1ACA.PLC1RP.lRPJrlR?lr EQI2(A~?l!TSC1A•Pl(1R?•l~?)),

- 4.30-

TS<2A.lR?J>.Pl<TSClA.lR?}, TSC~ArPlflRP.lR?lllrT3~.4D195~l) EO<TD<A ~tOF J~,u

SAT7.0195A :: SVME Q( TO<ArlDF' hA• S.~ TZ'J1'l5 l E<HA, ii> <A,l Df'>) SATZJ1953 ·- TRrj{TDf1ryf,~!,T3<A•10flrt•

Page 33: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-------,------------ -- ---CO~T0(10r•A>-SATZ0195)

-40196

HftQ19&

•40196

SATZ0195C := SYHEQHOt10r•A>•A,SATZ0195Sl B ~ [P:PJSOCÄ)J[Q:PQSO<B>l

SATZ0196A :: SYfCEOCTO<ABSO(AJoA3SOCBl),.TO(A,BJ• EQT012CA6SOCAJ,A.A95DC3J•B• ABSNNDCA•PNOTNDfA•P>J• ABSNNO<B•PNOTNO<B•Q)J))

8 ~ [N:NEGD(AJltO:NEGO<B>l SATZD196B := T~EQ2<TOCA,BJ•TD<ABSJCA1•ABSOCBJ1•

TDCMODCA),M00(8)),5ATZ)198ACA.BJ• EOTD1Z(~8SQ<Al•HOD,A};ABSOCB>•MOOCB>• ABSND<A•NJ.ABSNDCB~QJJJ

8 • (P:POSDCA)J[N:NEGOCB)J SATZ0196C ·- TREQ1<TD<A,BJ•MOOCTOCA3SOCA1•A9SDCB)J)

,TO<ABSO(Al.KOO<ABSD<Sl)l• EOT012(ABSDCAJ•A•H00(ABSD<B>>•8• ABSNND<A•?NOTNO(A,PJ), sarzotn ec AB soc 8 > .s. /4!3S~m<s, N> > J, SATZ01978(A8S0{A),ABS0(9)))

8 ~ [N:NEGDCAJltP:POSOCB)J SATZJ1960 := TR3EQ<TO<A.SlrTO<B.Al.~00{TOCABS0(8),

8 ~ P1P2 P1N2 NlP2 NlNZ

ABSOCA>J>,~OOCTOCABSDCAJ,4BS0(B)}),

CQ~TO{A.B),S~TZ0196C<B,A.P.N>•

EOMOOCTO<ASSOCB>•ABS~(A)J,TD<ABSDCA>• ABSO<BJ)rCOHTD<ABSO<B>·ABSO<AJ)))

·- ANOCPOSO{AJ.POSO<B>> := A~O(PQSD<AJ,NEGO(Bl) ·- ANO<NEGO(A),POSOC81) ·- ANOCNEGOCA}.NEGOCBJ)

B ~ [N:NOT<ZERO(A))J(O:NOTCZERO(B>> lEE:EQCTO(A•BJ,TO<ABSD<AJ•ABSOCBJ))J

0 ~ n := PTDPP!ABSDCAl,ABSO(BJ.SATZD166E(A,Nl• SATZ D166E< a, !J) l

E ~ T2 :: PNOTNO(TOCA,Bl.EQ?OSDtTO{ABSO<A>• ABS0(8)),TOCA~B>•SYHE~CTD<A•BJ, TO{ABSO<A>,A8S0(8)),[),TlJ)

[P:Pr.JSOUl l T3 :: TH3•t.IMP•<NEGD<B>.NEGJ<TDCA;B)l•T2.

CT:NEGOCB>lNTOPN(A•B•P•f;.) Tlt ·- OR3E2<ZE~0(8J.POSOCBJ.NEGOCBl,AXR00(B)

,T3,Q) r; := AN0I{P0SO<A)rPOSD<S>•P•T4> T& := ORil<P1PZrN1NZ,T5l

E ~ UHNEGDC A)) Tl ·- THJ•t.IMP-<POSDCB>•~EGD<TD<A•Bl>•TZ•

(T:POS0(6)JNTCNP(A,5,H,i)) re :: OR3E3tZERGtB>•POSD<Sl•NEGOCS),AXR00(B)

,. O. T 7)

T9 ·- ANDlCNEGOCAJ.NEGOfBl•~•TS) T10 ·- ORI2<P1PZ.N1N2,T9>

EQ<TO<l or .. A J..,'O EQ<A, TO Cl or,. A))

EQCTOU •B J. TJ<ABSIH Ah ASSJ <B)) J

• : EQCTOU •Bh HOD<TDCABSO(A},ABSOCBHJ)

EQ<TD(A,8),H00(TDCABSOCAl·ABSOCBJl)J

'PROP' : 1 f'ROfH

1 PRDP 1

'PRO P•

POS!H T) <ASSO( A) .ABSO<B)))

NOH N E:O OHO (A, B))}

NOHNE:i 0(8))

: POSD( Bl PlPZ OR{PlP? .-NtNZ>

NOHPOS0(8))

NEGC(B) Nlit2 OR<P 1P2 ,tf1N2 l

s

s

s

- 4. 31 -

Page 34: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

H4j)19!)

E :J SHZD196E :: ftAPPD(A,9~{P1P2~.4019S•,NtM2•.4Dl96"J, tT:POSOC\)lT6•.4Jl96"Cf), THZ"L~I~P*(ZERC\Al. ORCP1P2".4019&·,~1~2".•Dl96•J,N), tT:NEGDCAJlT10".4D196~!T))

0 a [E:EQ<TO(A,BJ,M00(T0(A8SO{A)rA6SDCB')})J O!HANOC POSOO>,PûSDCBJ hAND( NEGOC u,. I>EGO<B) > >

o a ru E 41 T12

·- SATZDl~GACTD(ASSDCAJ,ABSOCBJJ.Tl> : ~EGOCH)Q(TOCASSD<AJ,.ABSOCa)J))

·- NNOTPD<TO<A~9>•E~N~~O!MOCCTOCASSO(A},. ABS0(9}}J,f0(A,a>,STMEQ(TDCA.SJ• M00{i~CASSO(A),A3SOC:)l),E),f11)J NOT(POSOCTOCA,B)})

(P:PQSOC f,> l Tll

f14

Tl5 H6

E ; [Mtf.IEG!HA> l T17

T18

f19 T20

E OI SATZD196F

·- TH3•L.IM?"<PGS0(8J,POSD<TOCA,S)),.Tl2• CT:POSDCSl~PTOPP(A,a.p,f))

:= OR3E3CZERO(B>~PDSOCBlP~EGD(BJ~AXR00(8) ,!J.T!l>

:= A~~!{POSOtAl~ME~a(~>•PrT14) := OR!l(P1~2•N1P2•T15)

·- TH3•L.IM?"(NEGOta>.POSDCiOCArBJ>•Tl2• CT:NEGûCBllPTONNCArB•~•T)l

·- OR3EZCZERG(Bl.POSC(SJ•N~GO(B),AXR00(8} .. nT .. !!>

:: A!ûiC~EGO{A).PCSDC6l•~•T18l := OR!2tP1NZ.~lP2,T19t

·- ~APP0(A,0R(P1N2•.4Q196•,NtP2•.4Dl96•J, tT:PUSO(AlJT16~.40196•(T),

THZ•L.IMP•CZE?.O<A}r 0RlPl~ZR.4019&•rNlPz•.4D196~),N),

[T:NEGOCAlli20ft.40196•tT)/

2 CP:CUTl[Q:CUTltR:CUTJ[S:CUTJ[T:CUTl[U:CUTl Tl ·- TRISCCUT .. TStPL{TS(P,Rl·TS{Q,SJ),T),.

rz

T3

Pl<TS<TS<P•Rl,T>•TSCTS<O•S),f))• Pl<TSCP,TS(R,T)l,TS(Q,TS(S,!))}• OISTiPliTSCP~Rl~TSCQ•S),f), I5Pl12CTSCTStP.R),Tj.rscp,TS(R,iJ), TSU 5( g, Sh T }, iS( Q, TS{S, T )), ASSTSHP~~, T hASSTSlC.hS. TU)

:= TRIS<CUToPlfTS(Q,TS(S#Tll.TS(Q~TS<R.U> )l,Pl(iS{Q.TS<R~U}),jS(Q,TS(S,T))},

TS(Q,?L<TS<R.U>,rStS.T))}, COMPLCfS(Q,TSCSoT)l,TS!Q,TSlR•Ul)}, DISTPT2CO.TS(R,U),TS(S,.T~J)

:: TR3ISCCUT,PL<TS<PLfTSC?.R>•TS<O•SJ),T) ,TSfPLCTS<P.S>.TS(Q,R)l?U}), PL<PL<TS(P.TS<R•~)J,TS(C,TSCS,T))), PL<TS(P,TSCS,U)),TSlC.TS{R,Q)))), PLCPL(TS(P,fS(R$TilrTStP•TS(S.U}l), PlCTS(Q.iS(SrTl),TSCO~TSfR.U)))),

PUtst p,purs< "~ n, rscs. u,>,. TS(Q,PLCTS(R,Ul,TSCS,TJJJJ. !SPL!Z{TSCPLETSCP•Rl.TS{O,S)),fl•

:

NOTCPOi OCSJ >

NÈG;)( 6} PlN2 iJR<PHI~ •NlPZ>

NOHNE:.JD<BJ>

POSO( 8) NlPZ OR<r>lNZ ,H1P2)

OR UNOC POSO (Ah NEGDC B> ),. ANOC NEGDCA),. POSD C BH)

IS(TS( 2 lCTS(P,.RJ,TS(QrS)J.TJ,PLCTS!P,TS<R•T>l• TS<O• TS CS•T))) >

IS(Pl(f S(Q.., TS(S,. TU, fS ( Q,. T SCR. U)) J.. TS< c.:, Pl <T$CR, Uh rscs.n>n

$

J

- 4.32-

Page 35: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-40199

C OI SATZJ199

J\SSTD1 ASSTDZ

PleTS( f', TS<R• T) ), TSC Q, TS<S• T J) );o TSCPL(TSCP,SJ,TS(Q,RJJ,UJ, PLCTS(P,TS(S,UJl,iS(Q,fStR•Ul)),Tlr TlCP,Q•S•R•U•f)),4PL23!TStP.TS(?.rT)), TSCQ,fS(S,T)J,TS<P~TSCS.U>>• TSCQ,TS<R•U>J>•ISPll~!PlCTS<P•TS<R•l)J ,rsrP,TSCSrUJ)J,TSCP,PL<TSCR,T), TS<S.UJll•PLrTS(Q,TS<S•T>I• TS(Q,TS(~.UJ)J,TS(Q,PLCTS(R,U>,TS(S;oT) )J,OISTPT2(PrTS(R,TJ,TS(SrUJJ,T2J)

·- TR3EO<TOCTD(A,eJ,C), Of{PlCTSCPl(TS(l4•1Bl•TSC2A•2B>>•1C), TSO'!..( T3 UA• ZB hTS< ZA,lB) >•2C J h Pl!7S!P~CïS!lA•lB~.TS!2A•28Jl,2Cl• TSCPl<TS(l4,2S),TS<2A,lB)J,lCJJ), 0f(PLCT5(1A•PLCTSC18,1Cl.TS<ZB,2C))), TS(ZA,?LCTS(l8~Zc>,TS!2S,lC)')), PL<TS( lA•f'L< rsue.zc >. rs<zs.tc D ,. TSC2ArPL<TS<1S,1C),TS<2S;o2C))}))• TDCA,T~tB•CJl•TOEQ2~CC•PL<TS~lA~lB>• TSC2~·26)J,PL!TS<lA.2B>.TSC2A,lBJ)), [QSHSJ(PL<TS<P~(TS(lA•lS>.TSC2A.29)), 1C h TS{Pl( TS< l.A• 28 }, TSC 2A .. 1B}} ,ze)), PLCTS(?ttTS(lA•18),TS<2A•2B>>•2CJ• TSCPlCTS<lA.28),T$(2A,18)),lC)), PL<TSC1A•PlCTS(18,1C),TS(2B.2CJJ), TS(2A•Pl(TS(lB•2C>•TS!2B•lC)))), PLCTSClA•PlCTS<lB.ZC>.TS<2B.lC))), TS{lA•PLCTS( lB•lC);ofS(28•2C)J)), T3•.4Dl99•(tA.2A,lS.2SolC•2C>o T3*.4~199.(lA•2A•lB•2B,2C•lCJ),

TD~OlS(A,?l<TSC1S.1C>•TS(28,2CJ), Pl(TSC18,2CJ~TS<2S•1CJJ)}

:= SATZIH99 ·- S'r>!E:lCTO<TOCArSlrClrTJ(.~. fO(B,cH~

SATZ019:'}

; [P:CUTJ[Q:CUTlCR:CUTl[S:CUTl[T:CUTJtU:CUTl Tl ·- TRIS<CUToPLCTSCP.Pl<R•T>>•TS<Q.PlfS,U)

SATZD201

) hPU PleT SC Pr R),. TSC p, f) hl'U TS( Q, Sh TSCQ,UJ>l•PL{Pl<TS(P,R)riS(Q,S)),. Pl\TS{P,T),TS{Q,U))), IS~llZCTS<P•PLCR,Tll•PLCTSCP,.R), TS{PrT)}•TS(QrPl(SrUJJ~Pl(TS{Q,SJ•

TS(~,U)),DISTiP2<P•R•TliOISTTP2{Q,S,UJ l•~PlZJ<TS{P,RJ,TStP,TlrTSCO~S)•

rsc~.;nn

:: TR3EOCTO{APP0(3-C)),. Df"!PU TS<lA• PU 1B•1C )), T S(2A,.pl( 2B•2C) ))•?LCTS<1A.PlCZBr?.C))rTS<2A•PL(lBr1Cl 1)l,J~{P~<PLCfS{l~~1G1.TSC2A•?.6!l•

IS(~LCTS<PlCTStPrR),TSCOrS)),Tl.TSCPLCTS<P•Sl•TS<O•~)), U) hPU TS(P rPLC T S<R•T h i SC Sr U)) hTS< c,. fl< H< R,. Uh TS(S,TJ J)JJ

EQ CTD (T lH A, B hC), TO U• Tl)(3 .. c)))

EQ<TOCT DCA .. BhCJ "TOU. TOCB ,.en J

IS(PLCTSCP~Pl(R,:JJ,TS(Q,PlCS.U))J,.PlCPl(T5CP•A), TS{Q,S) >•Pl(TS(P;ol),TS{Q,~))})

s

s - 4. 33 .

Page 36: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

H40203

OISHP!l2 !H SPTDl

OISPTD2

SATZ0232

DISTTI101

OISTTHD2 DIST'4"l'Dl

DISHTD2

SATZOZOO ( lU MD RED !A •B))

Tl

[P:P('ISDCC)J

P a rz

P ; SATZJ203A M :11 [Z:ZERO<C>l

SATZ02HB

PltTS<lAr1C)rTS(~A•2C)))•

P!..( Pl< TS \lA• 2B)" T 5{ 2A .. l3)),. ?LCTS(lA•2Cl•TSC2A•lCJ1l)rPO{TOCA•8>• rocA.CJl•TOEQlAC~rPL<lS .. lC>•PLC2er2C)~ •E~SMSC{PL<ïS(lA•PL<~3•lC>>• fSC2AoPL<2E .. 2C))JrPL<TS!tA.PLC2Br2C))r TSC2A•PL(16o\CJ>>.PLCPL<rS<lAr1B)r TS(2~•2Bl)•PL(f5{1ArlCJ~TSC2Ar2CJ)Jr PLCPlCTSC1Ar28JrTSC2AolBJ), PLCTSCiA•2C)tfS(2Ar1C))}, TlR.4020t"ClAr2A,1~•2B•lCo2C), T1*.40201•(1hr2A•2B•13•2C•lCJ), PD~Ql23CPL{T5(1A,19)oTS{2Ao2S));

PLCiSC1Ar2B>rTSC2ArlBJlrPl<TSClA•1Clo TSC2A·2C)J,FL<TS<lA~2C)~TS(ZA,1C)))) : [Q{f0(A~P0(B,CJ),p0(TO<A,3),T0(A,CJJJ

::: T?.J::Q{ ï:>< PO{ A • B), C) • TO( Co ?DU.o B)), PD<TOtCrA)rTDCCo8}),pO<TD(A,CJrT0(8oC) >•CJY.TCCPD{Ao8),~),$ATZD201{CoAo8)o

E~?012CTG(CoA)oTD(A,C)oTG{C,S>,T0(8,CJ

, C0'-:7!) (.Cn\ h COMTO(C, a))> EQ<fOP ou, 8 hC hPDUD<A~>C J.. TO< BrCJ) l := SATZD20l EQCTOCAoPOCBrC)J,PD<TO(A,3)•TOCA,CJl) := SY~E:CTD<PDCA•B> .. CloPOCTOIAoCJ,TOCB•C)

J,.OISTo?lH > EO<POU OCAr ChT0{8,CH•T0{ PO< ArBJrC) J ;: SY~E~{T0(A.P0(8,C)),pQ(TO<A•BJ,TOCA,C)

>r ::>I STTP02} EQ(PO(T O<A• Bh TDCA• CJ h TOt A•PDC B•CJl) := TR~0(7Q{AoM)(S,CJJ .. PO<TO(A,.BJ,

TO\A.~GJ(C,}),~DCTDCAoBJoTD<A•C))p

DISTTP02(A,e,HOOCCJJ,E0?02CTO{A,M00(C) >•~OO<TO(A;C)JoTO(ArB),SATZ0197BtA•C>> ) : EIHTOUoMDC a .. en ,.I!Q<TO<A,!J J..TD<A,C>) J

:= TREQ{TOCKO(A,B>•ClrPOCTO(ArC>• TO<~OD<B>rC));HOCTO<ArC)rTO<B.C>J,

OiSTTP01tA•XOO<B>•C>•E~P02CTOCM00(S>• C>.~OOCT0(8rCl)oTOCA,CJrSATZ0197ACB•C) J} EQ(TQ(!1 DCA• 3>rC hKtHTD u,.c h TlH B•CH)

:= SATZ0202 : EQ(f0(A,.KO(S,C)),.t!0(TOCA,.3)rTD<A.C))) •- SY~E~CTO<MOCA .. BlrC>•MDCTD<A•C),TQ(B,.CJ

),O:::STHiOl) EQ<MOH OCA,.ChTOts.cu,.TOC MD< A•B>rC)) •- SY~E~<TO(AoMOCS#C)),HO{TQCA,.B>rTOCArCl

>•DISTiM02) EQC,O<TO(A•B>•TD<A•C>>•TDCArHO<B•Cl)) := SAiZOZG2 : EQHO<ArM!lCBoC)),.I!DOO(A,.3),JO<A,.C)})

:= SATZD162D<A•B~H>

:= EOPOSOCTOCMO(A,.B),.CJ,MO<TD<A•C>• T~CS.C},.OISTTMDlCA,.a,c>,?TO??CHO<A•B) ,c,Tlo?l>

:: ZEROEQCTOCA.C)rTOCB~C>rTD02tA~C·Z),. ron<:.c.zn

POSDOO <A•B) J

POSiH IQ CT 0{ ArC) "TOt B• C)) >

s

- 4.34-

Page 37: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+•IVftO

H ê tN:NEGlHCl l

N ; T3

N ; SHZ02l3C p OI SATZD2330

z a SATZ02HE

N ~ SATZin33F'

:: EQNEGDCTO(KO<A•Bl;CJ,HO<TO<A•C>• T0(8,C)),OISTTK0l{l•B•C>•NTDPN(K0(A,BJ ,c,Tl,.PU) : NEGIHHJ UDC A•ChTO<B•CHl

== SATZ01B2CCTOCA,.c>,TO<B·C>•T3•.4DZ03•J LESSO<T O(A,. ChTOCB,.CH := EQ~ORE012CTO<A•C>•TO<C•A>•TOCB•C>•

TO<C,.3>,COMTO{A,c:,.COHT9CB,.C), SAiZJ203.0 : MORE OU O(C• A),. TO<C• BH

::: ZER3EQCTO<C•Al•TO<C•BJ.T001CC•A•l)• TODl (C ,a, l}) to<roc: .. u,.rocc .. s>J

== E~LESS012CTO(A•Cl•TOCC,.Al•f0(8,.C),. TOCC.S),COHTOCA,C),.COHTO{a,.c), SAT.Zn03C) LESSO <T DCC" Ah TD<C• BH

c a (L:LESSOCA,.B)l[P:POSDCC>l SATZD2BG :: lEM~A05(T0(B•C1•TO(A,C>•

SATZD203A{S•A•C•lEHHAOG<A•B•l),P)) LESSOU OC A• ChTOCB,CU L :11 [Z:ZERtHC>l

SATZ1>233H ·- ZEROEQCTOCA.C),10tB,c>,TOOZ<A•C•Z>• rooz (e.c. z u EO<TD<A•C)•TD<B•C>l

L a OI:N~Gl}(C) J SATZD233J ·- lEHMAD&CTO<B•Cl•TO<A•C>•

SATZD203CCS;ArCrlEMMAO&<A•B•Ll•Nl) : MOREDU OU, ChTO(S,CU p :11 SATZJ203K ==- lEHMA05(T0(CrB>•TOfC,Al•

SATZOZOJO<B•A•CrLEHHAD&<A•B•L>•P)} lESSOU D(C,. AJ.TD<C•BH z öl SATZOZHL ·- ZEROEQ(TO<C•Al•TO<C•BJ•T001(C,.A•Z>•

TOOHc,a,zH ronoc:: .Ah rocc.au N :11 SATZOZ\1311 ·- LEMHA06{T0(C,9},TO<C•Alr

SATZD2C3f(B,.A•C•L~~HA06CA,S•L>•NJJ MORED<T OCC,. AJ.TO{C,.B))

a [p :CJT ]( Q: CUT l T19 ·- TRIS(CUT.JS(G,PlCP•lRP)lrPLCTSCQ.P)•

TS(Q,1RPJJ,PL<TS(Q,p),Q), OISTTP2(Q•P•lRP)•!SPlZCTS(Q,1RP),Q, TS{Q,p),SATZ151tQJl) ISCTS(öl,Pl(P,1RPl>•PL<TS(2,P),Q))

[R:C:JTl TZO ·- TRISCCUT•Pl(JS(Q,.Pl(P•lRP)J,fS(R•lRP))

rPl<PL(TS(Q,p),Q),R),pL(TSCQ,p), Pl(Q,R)),ISPllZCTSCQ•?~(p,lRP>>• Pl<TS(Q,pJ,Q),TS{R,l~P),n,Tl9•

SATZ151(R)),ASSPL1(TSCQ,p),Q,R)) IS(PLCfS(Q,PL<P•lRP)),TS<~•lRP>>•PLfTS(Q,p),pl(Q,R))'

TZl :: TR3IS(CUT,PlCTS(R,tRP),TS(Q,Pl<P.lRP)) ),PL<TS(Q,PLCP•lRPl},TSCR•lRP)l• Pt<TSCQ,p),PL(Q,R)),PlCTS(Q,pJ,ptCR,Q) ),COMPlCTS<R•lRPJ•TS<O•PLIP•lRPJJ), TZO.ISPLZtPL<Q,R),pL(R,Q>,TSCQ,p), COMPl(Q,R)l) : IS(Pl H SCR .. 1 RP), TS( Q,.PL(P• lR?)) h PU TSC ~),p ), PL. <ft, Q >))

A :l (P:PQSOCU l A~P' := RPOfPO(A,p) CUT ARPI := OV<1RP.ARP> CUT AI ·- PDOF'RP(ARPI> DIF' TZZ ·- TRlEQCTO(A,AI>,Of'CPLCTSClA,PlCARPI•

1RP)),JS(ZA•1RP>lrPltTSC1A•1RP), TSCZA,PlCARPI.lRP}))), 0f{PLETSC11,~RPIJ.PLCIA•2AJ)•

s

$

s

- 4.35..;.

Page 38: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•I VIt]

TZ3

T24

T25

T26

TZ7

A ; [N:NEGDCAJ l

PLCTSCZArA~PI>•PLC1A~2A))),

onrsc H..•A?i'Il.TS<ZArA:'\?i J h TOEQ1A(ArPLCAR?I#l~?>•1R?), EQS~S~<PlC!SC1A,?l{ARPI~l~PJ)­

TSC2A•lRFll•PlCT5<1A•l~?>~ TSC2ArPL<ARP!?1RPl)),PlCTS(lA.ARPI), PlC1A•2A))rPlCTSC2ArARPil•Pl(lA•2A)Jr T20CAR?I,1Ar2A>•!2l(A~PI,zA,1AJJ• LE~~AOZ<fS(lArARPI>•rSCZA•ARPI>• PU lA • ZAl)) EQ<T D<A • A I>, Of'(TSU ArA RPU "TSC 2A., A RPI>)>

·- TR3IS~CUT,TSC1A•ARPI)•TSCPLC2A•ARP>• ARPl),?L{TSCZA.AR?IlrTSCARP,ARPt)), Pl(TSt2A•A~PI>•1RP),

lSTS!ClA,~lC2A,ARPJ.ARPir SATZl~ODC1Ar2A•P>J• 3ISTTP1CZ~.ARP,ARPI),

!SPLZCTSCA~P.ARP!>•l~P.TSC2A,ARPil• SA TZ 15 3C Cl !<'P • ARP))) : I Sn S (1 Ar ARP U *Pt<T SC2Ar AlP n .. tRP))

:: T~3IS<C~T.PL<TS<l~•ARPI>•1RP),. Pl(Fl(TSCZÁ.A~PI),lqp),lRP>•

Pl(TS'Z~•ARPI>•PLClRP•l~Pl), PL(PL!lRPrlR?),TS<ZA,ARPl)}, ISPllCTSClA•ARPI>•PlCTSC2ArA~Pt>•1RP), 1RPrTl3J,ASSPllCTSC2A .. ARPI)•lRP,.lRPJ,. CD~Pl(TSC2A•ARPI>•PL<iRP•lRPl1J : IS<~LCTSCtA .. ARPil•lRP>•PLtPLClRP•lRP),.TSCZArARPI)))

:: EQI12tTS<1ArAR?IJrTS{ZA.ARPIJ,. PLC1RP•lRPlrlRP,T2~) EO<DiCTSC1A•ARPI>•TSC2A.A~PIJl,1DrJ

:: TREQ<rD<A,AI>.OrCTS(tA.ARPI>• TSC2A,ARPI>>•l0Frf22,T25l : EO<TO(A,AIJ,tOF'>

·- SOHEICDIF'~[X:Oir1EQCTDCA,X)•10r),.AI• T2&> : SOME'"L•COIF',.[X:DIF'lEOCTOHrlOr10Fll

TZ8 ::: SATZOlT&C<Ar N) : POSD<K:J OCU) [H:oirltE:tQCTOCM00{A},H),10fJJ TZ9 : = TREQ C TDO.• HO OCH>), TO ( KOD CA hH) .tOF'"

SATl0197D< A,. H>rEJ EQ<TOCA .. HOD CH)) rlDf) T30 ·- SOMEICOIF,(X:OIFlE~CTOCArXJrlOrJ•

MO~CHJ.T29J : SDME•t•<Dif,[X:OIFlEOCTDCA,X),.10f)) N ; T31 ::: SOMEAPP!Oif,.(X:OtfJEOCTO(H00(AJ•X),

A ; [N:NOT(ZEROCAJJJ

10f),.T27(M0ûCAl,.TZS1r SOHE•t•CDIFrCX:CIFlE~CTD<A.XJ,.lOf)), CX:Oifl[T:~~<TD(HO~<AJ,X)•lOfJJT30(X, TJ J : SOME .. L• <Oif" Ut 0 IFHOUOU rXh ton J

lEMKA07 :: P.APPD<A•SCME~t•<Oif,.(X:OirJEQ(TOCA .. X)• 1DfJ)~(T:POS~!A)lTZ7•.IV4C"CTJ,

TH2"L.IMP•(ZEROCA>•SOME•L•CO!f•(X:Oifl EQCT0(ArXJ,10t)),.N),.[T:NEGO<Ail T3t•.IY4D•tf>> : SOKE•L•(OJr,[X:DiflEQ(TDC-·XJ .. tOrJJ

B ; tN:NDTCZEROCBJJl[H:OirltK:Difl[E:EQCTO(S,HJ .. AJltF:EOITO(S,KJ,A) )

T1 rz

T3

:~ TREOZ<TO<B·HJ~TO(B,K),A,E~F> :~ EOZERD(H0(f0(6,Hlrr0(8,Xl),.

TOCB.KD(H,.J)},QISTHT02(!,H~K)~

SATZ0182E(T0<3•H'•f0(e•Kl•T1Jl :: OREZ(ZERO<OJ,ZERûCMO~H~~l1,

SATZD19ZC(9r~O·~·K)~iZI~Nl

-4.36-

Page 39: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IVSJ

-IVSJ

H•I \'5)

SATZnOtts

N ; tK:OIFI(E:EQCTDCBrHl•lDFll T~ := TRJEQCTOHJ.TO(H,AlJ,TD<TOCB .. HhAJ.

TDC1DF .. A>•A•~SST~2(8rH,AJp EOT0l(T~(B,HJ,1GF,ArE),SATZD195BCA)) EQCT0<3,TO~H.AJJ,A)

T5 •- SOKEI{DIF•[X:O!FlEQ<TD<B•X>•AJ,TO<H•A) ,Hl : SOME•t•<DIF',(lODlFlUCTO(BrX),A))

:: SO~EAPP<DIF,[X:DIFlEOfTD<B•Ä),10F)., lEMMA07(3•N'•SO~E~L~CO!f,[X:OtFJ EO(TOCB,XJ,A)),[X:OIF1tT:EQCTOCB•Xl• 1DF>:rs·.4ozo4·cx.r>>

a tR:C~Tl(S:CUTl(M:MORE<R.Sll

Tl

MORERPEPD

:: ISMORE12(Pl<R,PLC1RP,1RP}), PlCPL<R,lR?lrlR~J.PL<SrPL(lP.P,lRP)),

PLCPl(S,1RPJ,l~PJ,ASSPL2<Rr1RPr1RPJ,

ASSPl2(Sr1RP,lRPJ•SATZ134CR•S .. PU 1 R? •1 RP >. K) >

n·.t..-so .. , S a CM:MlREOCPDOFRP(R),pOGFRP($))]

" a rz := MOREOE!ZCPL(R,1RP)w!RP,PL(S,1RPJ .. !RP,

: MORE(P~(PL<R~1RPJ~1RPJ,PLCPLCS.1RP>•lRP}J

HOREDt~OOFRPlR>•PDOFRPCS))

10 : HORECPL (PL( R•!RPhlRP),pl( Pl<S•!RP), lRP})

H ill MDRE~PIPD

s a [L:LESStR .. SJ l LE:SSRPEPD

:= SAfZ136A<R,S,PLC1RP•lRP), ISMOR~!ZCPLCPL<R•lRP)•lRP), PLCR,PlCIRP,!~PJJ,pt{PL(S,lRPJ~lRP),

PltS.PL<lRP~lRPJlr4SSPLl<R•lRP•lRP), ASSPLl(S,!RPrlS?).,r2".IV50"JJ

::: LEHMAOSCPOOFRP!SlrPDOFRP<R>• ~OrtERPEPD<S•P.•SATZ122<R•S•L)l)

s a (L:LESSDCPOOFRPCR>,PODFRP(SJ>J LESS~PIPO ·- SATZ121(S•R•~ORERPIPD<S•R•

lEM~A06(POO• RP<R), POL'FRP(S hl J))

a I ::: lRP 2 ·- PLU •!)

R a RPI := Pl<!'t• IJ s a Sf't :: PUS•l>

RPS := FU~·S> ~s ::: TS!R#S>

MORE<R• S>

LESSDC~DOFRPCR>~POOFRP<S))

LESS<R, S>

CUT CUT CUT CUT

~ CUT Ct!T

s

s

s

s

s

s

s

- 4. 37-

Page 40: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T3 == TR!S(CUTrPL<PL<RPl,SP!l•I>• FLCPLCRPS>Zl•l)•PLCPL<RPS•I>•Z>• ISPL1C?l<RPl.SPll.PL\RPSr2l•l• 4PLZH R• h Sr IJ~· 3PL2HRPS•2• I}> ts<PL (" L<RP1,.SP 1 h I h PU Pl <RPS• U • 2 l J

u ::: TR~Q<POCPOOrRPCR),POOiRPtSll• OFCPLCRP1•5P1l,z),pQQfRP(RPS)• POEQlZA<RPl.I.SPl.I>,EQilZ<PLCRPlrSP1) ,z,Pl\RPS6I>•IrT3Jl : EQCPO(POOFRP(R)•PDOFRP<S>>•PDOFRPCRPS)J

-IV5) s

S a LEMMAOS :!:: T4 ... IVSC" : EQ(P0(~00FRP(RJ.POOFRPCSJ),P00FRP<PL<R•SJ))

ttrlV5!)

s 41 TS ·- TRIS(CUT,TS<RrSP!JrPl<RS•TStR•I>>• PlCRS•R>.OISTTPZ{R,S.!>•ISPLZ(fS<R•I ), R•RS•SATZ15l(P.))) tSUS(~ •SP1 hPURS•RD

TS ·- TR4IS<CUT.TS<RP1rSP1J.PLCTSCR.SP1), TSCirSPl>>•Pl(PL!RSrR>•SPl>• PL(Pl<PLCRS.P.)rS),!J,PL(PLCRS~RPS>•I>•

O!STTPl(R,IrSPllriSPLlZCTS<R•SPl>•· Pl<RS~R}rTSCI,SPl),SPl.T5r SAT~151S(SPl)),AS~PLZ(PLCRS•R>rSri)r ISPll(?l(Pl(RSrRlrS),PlCRS,RPSlr!• ASSPll<RSrRrS))) JS(TS(~Pl•SPllrPl(PllRS•R~Sl•I>>

T7 . - !R3ISCCUirPLCTSCRP1rSP1lrTS(I,Illr PL!Pl(Pl<RSrRPSlrll•l>•PL(Pl<RS•RPSl• ZJ,PlCRSrPl<RPS,Z)),ISPL1ZCTS(RPlrSP1) rPLCPlCRSrRFSlr!lrTS(I•I)ri•T6r SATZ151<IlJ,ASSPLlCPLCRS~RPSJ,!r!)~ ASSPllCRS•R?SrZ)l ISCPLU SCRP I.> SPI h TS<I,. I}) ,pL( RS,.PLC RPS,ZJ))

T8 ·- TRIS(CUT•PL<TSCRPlril•TS<I•SPl)), Pl(RPlrSPlJ,PLCRPSr2lriSPL1ZCTStRPl.IJ •RPl,TS{l•SPll•SPlrSATZ151CRPl)• SATZ1516CSP1)),4P~Z3<P.•!•S•I)) ISCPLCTSCRPl,JJ,TS(lrSPl)),PL<RPS,ZJJ

T9 ·- TRISCCUTrPL<PL<~S,I>~Pt(TSCRPl•l>r TSCI,SPl))),PLCPL<RS,!J,PL<RPSr2)), PL(PLCRS,Pl(RPS•Z>l•I>• ISPL2<PLCTSCRPlrilrTSCI•SP1>>• PLCRPS•2}•PL<RS•I>•T8>• 3PLZ3<RS·I,PL<RPS,Zll) ISCPLC? LCRS • I >.Pl<TSCRPl• I 1. T SC I • SP 1)) h

PLCPLC~S•Pl(RPS•2)),1l)

T10 := TRISZCCUT,PLCPLCTS<R?l,SPtJ.TSCt.t>>• I),PL<PLCRS,I),pl(TS(RPl•IloTS(I,SPl )) >•PL<?LCRS~PL(RPS.Z>>•I>• ISPLl(PLCTSCRPlrSPl>•TS<I•!)), PLCRS.PLCRPSrZ>>•I•T7J,f9} IS<PlC~LCTSCRPl•SPll•TS(l•Illoil•PLCPL<P.S~I>•

PUTS U Pl•I >•TS< I,SP1J))) T11 t= TREQCTO(POOFRP<R),POOfRPCS)),

0F(PltTSCRP1.SP1),TS<I,I:), PL(TS(RPl•IlrTSCI•SPlJJ)rPDOFRP(RS)r TOE012ACRP1•I~SP1•!>~ EQ!12( ?lCTSC RP 1• SPlJ, TS<t ~! }), PL<TS<RPl.!t.TSCI,SPl)J~Pl{RSri>~I• n:n > : EOCTOC~OOFRP<R>•POOFRP(S)),pOQFRPCP.SJJ

- 4.38-•IVSJ $

s <I LEHMAD9 :: rn·. I'no• : ENTO<• OflFRPCRhPDOF'RP UH ,POOFRPCTSU•S) )l ;) [R:C:H USG :SET< CUT)}

!N := ESTHCUT .. P..:>O) : •PRJP'

Page 41: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

; CSO=SET(C~TlltTO:SETCCUT>lCPO:ALL<tX:CUTJOR<IN(XoSO>,INCXoTOJJ) l[PlA:~ONEMPTYCCUTrSOJltP18:NQNE~PTY<CUT.TOl ltP2:ALL<tX:CUTltT:IN(X,SOJlALLCtY:CUT1[U:I~CY,TOllLESS<XoYlJ)}

TO ~ [R:CIJTl PROP1 :: ALLCCX:CUTltT:LESS<X•RlliNCX.SO)l P~OPZ := ALLC:X:CUTJtT:~ORECXr!lliN(X.TOl> PROP3 := AS!H?~C?!,.PROPZ>

P2 ~ tRl:CUfltR2:CUTltPRl:PROP3~Rl)J[PR2:rROPJCR2)] Tl := ANOE2(PROP1CRlJ•PROP2CRll•PR1J T2 == ANDElCPRDPlCR2J.PRCP2<R2),.pR2) [L:LESSCRlrR2llCXO:RATl RX := RPO!='lH<XO) ttl:~ESSCRlrRXlltL2:LESSCRXrR2ll Tl :: <tZ><îH>T2 T4 ·- <SATZ122(R1rRX•Lll><RX>Tl T5 ·- <REfiSCCUT•RXJ>EC3E31<ISCRX•RXlo

HORECRXrRX>.LESSCRX,RK), SATZ123BCRX.~Xi•<T4><RX><T3><RX>PZ>

t ~ T& := SATZl59APPCRl•RZ:L•CGN,(X:RATl [T:LESSCR1.~?0FRi(X))J

tU:LESS<RPCF~TCX>•R2JlTSCXoT,U)) PRZ ~ T7 :: [T:LESS<RlrRZlJT6CT>

TS :: tT:KORECR1.RZ>JTG<R2rR1,PR2oPR1, SATZl21(RlrRZ•T>>

T9 :: OR3EHISCR1oRZ>.KDRE<Rt..RZ>r LESSCRlrR2l,SATZ123A<R1,RZ),T8of7)

- PZ a T10 :: (X:CUTJ[Y:CUTHT :PROP.HX> )[U:PROP3(Y Jl

cxo:un SCH~ITTPROP :: SOKECCY:CUTlANO<lN(Y,SOJ.LRTCYrXOJ))

PZ ~ SCHNITTSET := SETOt(RAT•(X:~ATlSCH~ITTPROPCXJJ [R:C~Tlti:INCR,SOJJtXO:R~TlttX:LRT<R~XOJl Tll ·- ANDHIN(R,SOJ•lRHR•XOhi .. LXl TlZ := SOMEJ<CUTrfY:CUTlANO(IN<Y•SO),

LRTCY.~Oll•R•Tll) Til := ESTIICRAT•CX:RATlSCHNITTPROP(X),XO,

Tl2J R a CI:IN(Rrf0)l[XO:RATlCUX:URT<R•XOJJ[S:CUTltJ:IN<S•S011

Tl4 :: SATZlZZ<S~R,.<I><R><J><S>PZ> T15 := SATZ158B(R,.xO .. UXl Tl& := HOREISil(RPOfRHXOhS•

SATZ127C(RPCFRTCXO>,.R•S•Tl5,T14)) T17 ·- SATZ158!J(S;X:i•T16>

S :1 T16 ::: WELitEC<!fHS .. SOJ,L!HCS.XO)), tT:IN<S•SOllT17(T))

UX :1 Tl9. := TH5•t.SOI1E•<cUJ,.tY:CUTlANOUN<Y .. SOh LRT(Y,X0l),.(Y:CUTJT18CYll

TZO :: TH3•L.IHP"<IN"RT"(XO•SCHNITTSETJ .. SCHNITTPR0P{XO),Tl1• [T:IH"RT"CXO,SCHNIJTSETJ.lESTIECRAT~ (I:RATlSCHNITT?ROP(X}.XO~T))

PZ ~ CXOHUT H I :u•Rr•n:o.scHNI TTSETl H YO: RA TJ [ULE SS"RT .. CYO" XG ll I a T21 := ESTIE{RATrOORATlSCH)tiTTPROP(X),.XOoi) L a tR:CUTl[A:A~OliN(R,.SOJ,LRTCR,XOl)l

TZZ := I.NOEHIN<R•SO>•LRHR•XOl•A) T23 :: ANOEZf:INCR.SOhLRTtR,.XO).A) f24 ·- SATZlZOCR•XO• T23•YG•U T25 := A ttDI< IN( R• SO J,lflf Oh YO l • T zz,. T24) T26 ·- SO~!ICCUT,.(Y:CUT1A~OCI~<Y•S0lr

'PR!JP I 1 PROP'

: 'PRilP'

PROPZU 1J : PROPUR 2>

: CUT

IN<RX oS Ol INtRXrTO>

CON

CON : NOTClEiS(R1•RZl)

: NOHHDlECR1,RZ))

: AHONE<C UT .tx :CUT 1PRGP3CXH

'PROP I

SEJ(RAT l

AND( INt R•SO l •LRT<Rr XO))

: SC~ ITT PROPCXO)

: IN'"RT"'t XlhSCHNITTSETJ

: HORE<Rr SJ : HOREISCRPOrRTCXO),.R)

HOREIS[RPOrRTCXOlrSl URHS,.I( 0)

NGT(SC~NITTPROP(XO>>

NOT< IN• RT .. < XO,.SCHNITTSET))

SCHIIITT PROPOOl

INOrS) l : lrtTCR,.I( 0) : lRHR•YQ).

ANC( Hi[ R .. SO hlRTCR,TOl)

s

-4.39.;.

Page 42: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

L 2 Tl7 := SOHEAPP<CUr, [Y:CUT lANJ<INCY,.SO}, lRT<Y·XOll•T2l•SCHNiiTPR3PCYCJ,[Y:CUTl (R:ANOCINCY.SQJ,LRTlY.X~)JlT26(Y,R))

TZ8 ·- ESTil<RAT•tX:RATJSCH~ITTPRDP(X),yQ, 127>

I ; CR:CJTltA:ANO<INfR,SOJ,LRT(R,XOJ)l T29 :~ ANOElC~N(R,SOl~LRT(R,XOl,At

T30 := A~CEZClN(f::,SO>.l~H?.,XO>./d [YO: UT HL Y:tRH R• YO> Jt t:u::ssp RT~c XC, YOl J T31 := ANDI(I~~f·SO>•LRTtR.YO),fZ9•LY) T32 := SOME!!t;IJT,(Y:CUTJAND(HIO,SOh

LRH y, YO) >•R• T31) T33 ·- ESTII<RAT,(X:RATJSCHNITTPP.OPCXJ,YO,

T34 r35

T36

A ; T37

I a T38

Tl?J :r. sArze3cxc.ro.Ll := ANDICI~·RT•ryo,SCH,ITTSETJ,

MOPE•RT•<YO,X0>~133•T34) := SOHtiCR~T,(Y:RATlAHD<IN•RT•

{Y,SCH~!;Ts~T),!10RE•RT"CY•X0}),Y0•Tl5;

·- CUTAP?3(R.xO,T30,SOME·~T-([Y:RATl AND!l~~~t·(T•SCHNITTSET}•

KORE~RT"<Y~XO))},(Y:RATl(T:LP.TCR~Y)l

(U:LESS"~T·cxo,YJlTJ6{Y,T•U)J

:= SOMEAPP<CUT•tY:CUTJAN~CIN<Y•SOJ• LRT<Y•XOJJ•T21•SOMEwRT•f[Y:R-Tl AHD<IN•RT•cy~scHNITTSET>r MORE•Rf•(Y.XOlJJ,[Y:CUTJ[J:ANO(!N(Y• SO J, UH< Y • XO )} lT 3 7 n • T> >

PZ a tR:CJTl[t:INCR.SOlltXO:RATl[LX:LRTCR.XO)l[S:CUTltJ:IN<S•TO> lCYO:RATlCUY:URT(S,YOJl T39 := CUT2CSCHNITTSET,.XO.H3CR,!.XO.tXhYQ,.

T20<S•J,.YO.UY>,.[X:RATJ(T:IN"RT~(X• SCHNITT5ET)J(Y:RATJ{U:LESS"RTwcy,X)l T28(X,.T~Y•U>.CX:RATJtT:tN•RT•<X• SCHNITTSET)ll38(X•T)l

J 2 T40 := CUTAPP18CS,CUTPR0P{SC~NITTSETJ,[X:RATJ CT:URT<S•XJJT39(X•TJ)

LX a Hl :: NONEHPTYAPPCCUT.TOrP18 .. CUTPROP\SCHNITTSETl,(Y~CUTlCT:IN<Y•TO) ]Tt,Q(Y, T))

I a T42 :::: CUTAP!>lACR .. CUTPRONSCHN!TTSEThtx:RATl (T:LRT<R•X)lT41(X,f)l

P2 :1 i43 := NONE KPT'I'AP!"CCUi, so,p lA• CUTPRDPCSCHNITTSETJ,(Y:CUTltT:IN(Y,SQ) JH2(Y,.T))

SNT := CUT~FCSCHNITTSET,T43> CR:C:JT l(t: lESS<R• SNT )] UO: RAT HUX: URH R, XOlHLX~LRHSNT .. xo Jl TH :: !NICSC!i~!TTSET,.T43,l(0•!..Xl T~S :: ESTIE(RAf,[X:RAT1SCHNiTTPROPCX)•XO•

T44) tS:CUTlCA:AN~<IN<S•SOl•LRTCS~X~lJl rt.& := AN!.'IE H INC s.so hLRTCS.r:n,. A) TH :: 1\NOElU~CS•SO),LI~HS•XOh~J PoS := ANOHURT<R,XOhLRHS,.lCOhUX,TifT) T49 := SOMEI<RAT.tX:RATIANDCURTCR,Xl•LRT(S,X)

hX0l'H8J TSO ::: EC31:23(ISCS,•R>~l10Rf:.:(S,;n,:..r.::s<S,R),.

SATl1253<S•Rl•SAïZ1Z2CR·S•T49))

SCHlUTf PROP<YO)

: IN-RT--E YO.SCHNITTSEU

INC~•Sl> LRH:'t•( 0)

ANDCINC R•SO ),LRT<R•YO> l

SCH:U Tr PROP CYO)

IN•RT•(yQ,SC~NITTSET> : MORE'"IU .. (YO, XO)

SGHE•Rf•((Y:RATlANDfiN•RT"(Y•SCHNITTSET)•HCRt-af•(Y,XO> ))

: SOHE•Rf•([Y:RATlAND<IN•RT•cy,scHNITTSET)•HCRE•Rr•tY .. XO> ) )

: SOME'"RT •en :RAT JAND<IN•RT"CY,.SCHNITTSETl•KCRE•Rf•(y,xo> ))

: CUTPRO' <SCHNITTSET)

: CUTPRQ»(SCHNITTSET>

CUTPRO,CSCHNI!TSET)

CUTPRO,<SCHNITTSET>

: CUTPRO, CSCH~JTTSEJ) CUT

: IN•H•( XO .. SCHNITTSEH

SCtl~ITf PROPCXO)

IIHS,Sl > t.!nt s •IC o > ANO(URF<R•XOJ,.LRT(S,.XO))

lESS(R• S)

~ICTllEi!HS•R>)

- 4.40-

Page 43: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

----------------~51 :: TH3"l.IM?.{I~CR~TO>•L~SS(S•R)•T50•<R>

•5P2)5

•IYAJ

•!VA)

<H&><S>"'ZJ NOHI!'.'{R,.TO)) T5Z :: :JRE1<I~<R~SOh!'l<RrTO>•<R>PO•T5l) IN<R•S))

LX 2 T53 :a SO~EAPPCCUTr[Y::uTlANO(!NIYrSOJ,. lRT(Y,X0}),f45•I~(RrSO),[Y:CUTl [T: A N!H I tlCY~ SO hl RH y, XO)} JTSZ(Y rT)) INCR ,sl l

l ~ T54 ·- LESSA~PCP•SNT•L•:~[RrSOlo[X!RATJ [f:URTCR.X)J[U:L?TCSNT,X>lT53<XrTrU)) IN(R,.S)l

R 2 CH:HJRE(R•SNT>l(XO:RATJtLXtlR;(?,oXOl!(~X:URTCSNT.XOl HI:tNCR,SOJl

u x

"' PZ

R s

s

~

2

~

T55 := /.tmH!N(R,.SOJ,LRHR.XOJ,IoLU ANDtiN(R,SOhlRHR,XOJJ T56 :: SOKLICCUTr[Y:CUTlANO<IN<YrSO),

T57

T56 T59

T&O Tól

T&Z

T&3

snz•z:>s

SCHNITT

SATZPZ05A

SATZPU5B

lRTCYoXO)),a,T551 SCHN!TfPROPCXOl •- EST!iCRAi,(X:~ATlSCHNITTPP.O?CXJ•XO,.

T%> : tN•:H'"( XO,SCHNITTSET> ·- IN::<SC!·H-I!T-:'SETrT43.XC,.i57) LRHSNr ,.Xo> := TH3~L.I~?·ct~CR,SOJ,LRTCSNT,XO},.UX,

n:!'HR.SOÜT53CnJ NOHUtR .. SOll ::: ORE:ZCHI(i',SOhiN<R,TOJ,<R>PO,T59) : IN(R,l)) ·- HOREAPPCR•SNT•M•I~<R~TO),(X:RATl

tT:LRT{RrJllC~:URT{SqJ,X)JT60<X•T•UlJ IN<R,T) i ·- A~JI(~RD~lCS,Tl.PR~P2<SNJJ,:X:CUTJ

rr:lESS(X•S~TJli54(X,T),[X:CUTl {T:MO~EO::,s:~T>JH>HX,T)) : PROi'3GNTJ

·- S0~E!<CUT•CX:CUTJPROPl{X)rSNT,Tó2J SOHE(C(:CUTJPROP3(XJ)

:: ONEICCUT,CX:CUTlPROP3w.spzos•<X), rlo~.spzos•.t63•.spzós•>

:= IND<CUT,(X:CUTJPROP3".5P205"CX>• SATZP205J

:: ANOEl<PRCPl•.sPZ05•<SCHNITTJ, PROPz•.SP205•csCH~ITTJr ONEAXCCUT•CX:CUTlPROP3•.SP205"(X), SATZPZ05))

::. A N!)E Z(PROP 1". 5?205"( SCHI'fi TT),. PR3PZ•.5PZ05•csc~NITfl,

ONEAXCCUT,[X:CUTlPROP3•.spzos~tX),

SATZPZ05Jl

: ONEC[X:CUTlAND(ALL<CY:CUTJtT:LESS<Y,.XJliN<YrSOJ),. ALL({Y:CUTJCT:MORE<Y•X>liN(Y,.TOll))

CUT

a (R:CUTltS:CUTl

a I a Rl a Sl

RPS a 2 a Tl

f2

Tl u

T5

::: lRP := PUR,. I> := PUS•D ::: PU R• S) ::: Pl<i•Il :: PDEQ12ACR1•I,.Sl•I} :: TRiSCCUT•PlCRl•S1>•PLCRPS•Z),.

PLCPl(RPS.IJ,tJ~4Pl23'R•I•S•I>• ASSPL2CRPS•I•lJJ

:: ISPt.l< 0 URb Sll• PUPURPS• I i.. I h I,. TZ) := TRlS{CUT .. PLCPl(Rl,Sl)•I>,.

PLO'L< PU RPS • I h Il,! h f'LtPU !'tPS•! hZ h T3rASSPllCFlfRPS,I),I.t>>

:: EQ!l2<?UR1, 51 h 2•PUP.f'S• IJ,.!, H J

CUT CUT CUT

: CUT : CUT : EO<PO(~OOfRP<RJrPDOfRP(S)),.Qf(Pl(Rl•SlJ•ZlJ

: IS<PLU 1.s1 hPl(Pl<RPS•U• I» ISCPL<~L<R!•Sl>•I>•PL(PL<PL(RPS•I>•I>•Il>

lSCrLt~L<R1•SIJ,IJ,.pL(PLCRPS1IJ,.zl, EO<DF<,L<Rl•S1J,zJ,.pDOFRPCRPS))

s

s

- 4.41-

Page 44: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IVAO

HIVAO

S a RS T&

T7

TB

T9

HO

TU

TlZ

TU

Of<Pt<PL ?.,lqp),~l<Srl~Pl>•PlClRP,lRPl · >•PDOrRP PL<R•S>I•Tt•.Iv~o~.ts•.IVAO"J t EOCPO<»OOFRP<R>rPOOFRPCS)>•PDOFRP(PL(R•S))~

:: TS<R•S> CUT := TOE:Q tZAOUo I, St.!) : EO CT OP OOf'RP CR) ,POOFRP < S)) oDF< Pl. <TH Rî • Sl h TSCI, I) h

:: TR!S(CUTrTS<Rl~S)rPLtRS.TSCloSl)r PLCP.SoSlrD!STTPlCR•I•S>~ISPLZ<TS<I•Slr

PlCTSC~l•I>,TSCI•Sl>>>>

SrRSrSA!Z!5iS<S> )) ISCTS<l l•S>•PL<RS•S)) :: TR3IS!~UT •. TSCR1.S1loPL<TSCR1rSJ,

TSC !H,.!) h?U PU '!Sr S h Rl >, PUPUR.S•I h RPSJ.~ISTT?2!RloSr!JoiSPL12<TSCRlrS), Pl(RS,s,~TS<Rlrl>•Rl•T7rSATZ151Cal)), 4Pl24C~S· s.~,!)} ISCTSc:t bSl hPLCPLCRS• U•~PS))

:: TRIS(CUToPLCTS<Rl,Sl>,TStloi)), Pl(PL<PL{RS•l)oRPS)ol>•PlCPL<RS•I>• PlCRPS~IlJt1~PL12CTS(RlrS1Jr PLCPL{RS,IlrRPS>rTS<I•Il~I·T~. SATZ151(IJlrASSPtl<Pl!RSr!l.RPS,!)) IS<PL<TS!Rl•Sl),TS<I,I)l,Pl(PLCRS,IJ,Pl<RPS,!J))

:= TRISCCUToPL(?l\TSC~ltSl};iSCI•I>l•!>• PLCPL<PL<Rs~t),PlCRPSr!lJ•l>• PLCPL\RS•!),PL(PL<RPS•!~•!>>• !SPll(PL<TS(Rl~SlloTS({,IJl; Pl(PL(RSoi>•PltRPStilJol•T9lo ASSPllCPL<RS.IJ,PL<RPS.IJ•IlJ : IS<PL<~L<TS<Rt.SlloTSCI,IJJ,I);Pl(PLCRS•lltPL<Pl<RPS,IJ

•- TR3IS!CUToPL{Pt(RPS,Ilrl),pL(RPS,z), PL(RloSll•PL<TS<Rl•IltTSCI•Sl)), ASSPL1CRPSoiril•4~l23(R•S•I•Il• ISPL12<R1•TS<Rl,I>•Sl·TSCr,s1J,

• I)))

SATZ151A(RlloSATZ151CC5lJ)J ISCPLC~LtRPSoil•I>•Pl<TSC~l•IJ,TSCI•SlJlJ :: TRIS{CUToPL<PLCTS<Rl•Sl)oTS<I•!))•I)r

PlCPLCRS.!J,PL<PL<RPSr!),!)), Pl(PLCRSriJ•Pl(fS(Rlrl),TSti?StJJ)r TlO;ISPlZCPLCPLCRPS.Il.I>•Pl(TSCRl•I>r TSCirSt>>•PL(RS•l>•T11>> : IS<PLC~LCTSCRl•SlJ•TSCiril>•I>•Pl(Pl(RS•IlrPLCTSCRlril•

TSCI ,.sl ) H) :: EQI12CPLCTSCRlrS1J,TSCir!llr

PU TSC Rt.!),. TS<l .. SU hP!.CRS, I);! .nz) EQCDf'P LUS CRl,sU, TSC J,. U ),pl( TS<R bH• T SUr SU)); PDOFRPC RS n

S a LEMI1AIVADZ :: TREQUIHPI>O!"RPCR},PCCFRPCSJh OftPl(TS<PLCR,lRPlrPLCSrlRPl},. TSC1 RP•lRP > h PL< TS( ?L( R• 1 RPI. 1 qp), TS<1RP,PL<SrlRP)))),P00fRPCTS(RrS>J• T6w.IVAo•,Jt3".IVA0")

CH:MOREOCPDOFRP(RlrPOOFRP<S~>l

" a ru T15

:: MQP.EDE12CRlri•Sl•I•~' :: SATZ15SACRt,s1~I·T~4J

M a LEHHAIVA03 :: SATZ136A<R~S•1RF~Tt5~.IVAO•) ~ tc:oirlCA:OIFltB:OIFJtN:~QTCNEGO(A)Il(O:NOTCNEGO!Bl)

: !OCTO<~DOFRPCR>rPOOFRPCSll•PDOFRPCTSCRrSl)J

MORE<P:.. <Rl• I hPUShi>) : HORE<R1,S1J

: ~ORE(R.- SJ

s

- 4.42-

Page 45: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

lEE:EQtlOtA•AJ,.~JJif:EQ{lOt~•S),C)J

•3161 s

Tl := TRE~Z<TO(ArAJ•TOCB•B>•C•E•F) EQHD<\ "AhTD<B,.BJ) TZ == TREQCPDCM~<TOCA,AloTOCA,BJJ,TOlB•Al)•

PO{vJ(T~(A,AJ,TO<A•3)J,TCCA•S))• TOCA.A),[QP~Z<TO<B.A>.TO<A•B>• HJJCT ')(~ .• Ah T 0( A• 8)) • CO?HD (8, A)), PDMO<TOCA,A),.TO<A.9J)) EO<PD<'I onou.u,. rou. BH· roe a .. u" rou .. A,,

T3 := TR4EQCT~tPDCA•S>•MJ(A•8)), PO(TOtA.Kv(A,BJ>,TOCB.KD(A,SJ))• PDCMO(!DCA,Al•T~<A•alJ,HOCTO<B•A>• TOC6.6))J.~~(P0(K0(f0(A,.A),TO<A•B>l•

TDCB.A})•TO(B•B>>•KC(TQ(A,AJ.TOCB•BJl• DIST7?al<A•B•~DCA,9)),

E2P01Z<TD<A•MD(A•9>J,HlCTO<A.A>• TOCA.SJJ,.TO{B.MOCA.SJ),.HOCTO(B,AJ• TDCB•S>>•OISTT~OZ<ArA,Blr DISTTH02CS,A,BJJ,ASSPDZCMO(T0CA•Al, TO<~•a>>•T~CSrA>.~OO<TO<B•BJ>l• EQM~1{?0{~J(T~tArÄ),i~(A,8)),TOCS,Al)•

TOCA.~J,Tv<S•B>•TZ>l EOCT !')(" lH A• 8 J..MD<A• 8) h HOt TOC A.- A J. TOC B• B)) l H := EOlEROCMOCTJ(A,A),TOCBrS)l,TD<PDCA,Blr

MOCAr9})rSYHEQCT~CPDCA•B),HO<A•B)J,

KDCT~CA,A),TOCSrB)),Tj},

SATZ~18ZECTDCArAlrTD<S•Bl•Tlll : ZERO( Tl CPOC A• 8) • MDC A. 9 )} ) T5 :: SATZ0192C<PDCArB),K0(A,8)rT4J : OR<ZERl CPD! A.BJ hZEROO!DU ,.B))) rz:ZEROUJ l T& := EOIEROCTOCA,A},f0(8,B>rTl,T001(A,A•ZJ) : ZER1J< nes .. a,, T7 := THt•L.I~P*CZEP.O<B>•ZEROCB)•

REFI~PCZEROC8lJrSATZ019ZCCBrBrT6)) ZERO< 8) TB == ZERGE~<A•9•ZrT7) EO <A• 8)

r a [P: NOH ZER OU) H T9 -- OR3EZ<ZEROCAJ•POSDCAJ,NEGOCA),AXRDO(A)

,N,P} POS!H A, TlO == TH3•L.IHP•<ZERO(B),ZEROCAJ,p,

[T:ZERO<BJJT7<8•A•O•N•r•EPTJ) NOH Z~ OCBJ J TU ·- T9CB•~•O•N•f•E•T10J POSO< BJ T12 :s PNOTOOCPOCA,a),ppQ(A,S,T9,T11)) : NOH ZE!t OCPO( A.BJ J J TU := OREZCZERO(PO<A•B>>•ZEROCHDCA.B>>•TS•

T12} : ZERO 013 u, B }) T14 == SATZJ1828(A•B•T13> EOU•!U

-0161 s

SATZDUlB == THt•L.IMP•czEROCA> .. EO(A,BJ,(T:ZERO(AJl ra•.C!&l•(Tl•(i:~OTCZEROCA>JJ n4•.:n61•n >l : EO<A"BJ

C OI [N:NJTCNEGD(CJ)l

u!)1!)1 $

N ; CZ:ZEROCCJl TlS := ZERCEOfTD<C•CJ•C•iOOl<C•t•Z>•Zl EO(TO(i:,.CJ,.C) Tl& == ANJit~OTCNEG0(C)),~Q(T~(C,CJ.CJ•N•T15J : AND! NOi (NEG 0( CU • EO<TO CC•C J"C > J - 4.43-TlT == SOMEICDIF.tX:OIFJANDtNOT(NEGOCXJJ,

E~tTD(~,.xJ,.Cl),C,T16) : SG~E·t-~O!F•[~:Q!FJANOCNOT(NEGDCXJ)•EO<TDCX•X>•C>>> N OI CO:NQTCZEROCCJ)]

T18 ::: OR3E2tZEROCCl•POSDCCJ.NEGO<C>•AXROOCC) ,N.Ol POSOCC)

CRP :: RPOf!"OCC•T18) ClJT

Page 46: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•0161

•INTD

+-INTO

+*I NTil

;)l'lr-

s T19

TZO

TU

N 41 SATZ!>161A

; [A:Oifl[I:INTOCA>l

rz: ZEP.O<A> l

: = PDOF RI' CS F!P) Oir ~· TRJE?CTOCS•S>rPDGFRPCTSCSRP•SRP))•

POCFRPCCRP>.CrlEH~ll~~OZtSRP,SRPJ, IS~PEPCITS<~RP•SRP>~CRPiTHSORllC~RP)J, EQ?û~i'ZtC.Tl'l)) EQ<TDtS.ShCJ

:: AN~IC~DTCNEG~CSJl•E9CTD<S•SlrC)• P~<OP;~ ( S •? !iS:! I RP (S1P n • U 9 l ANOt NOf UI EG l)( S)) ,(Qt'TD <S•S hC))

:: SO~[!(OIF•\X:J!F~AN~(NOJ(NEGO(X)), EQ{; D 0:• :0 •C) )., s .. TZO > SOHE •t• (0 If • (X: 0 If'l AN!H NOT ( NEGO( X l hEQCTOO:• X) ~>C)))

:: THl•L.I~P~<ZEP.CtCl.SCMEnt•<orr.cx:Oifl ANDCNOTtNEG~CXJJrEQCTO<X•X>•ClJ)• [J:ZEROCC)~i17•.~1&1•(J),

[T:NQT<ZEROCC))~TZt•.Ot61•(J)) t SOME~L•(Olf•(X:DIFlANOCNCT(NEGD(X)J,EQ(TO(),XJ•C>>J

Tl :~ ORilCZERO<ABS~CA)JrNATOtASSO~ABSDCAJJJ •SAT lOl&&fC Ar Z)) : I NT i)( AS SOU))

I ; tN:NATOCABSO(A))l TZ ·- NAH NiOCABSOUh N> INT:> <AB SD<A > >

INTUSO :: ORAPP<ZERO(A).NATO(ABSDCA)), INTOCABSD<A>>•IrtT:ZERO<AlJ Tl•.INTO•CTJ.CTtNATD<ABSO(A)JJ f2•. INTO•( T>)

:a EQNATDCABSOCAJ,ABSO(MOO<AJJ, SATZ017SAUhNJ

I a INTH3D := TH9•t.OR"ClEROCAlrNATOCABSOCA)), ZEROC~OO<AJJr~~TOCA8SOCM00{A))),I• tT:ZERO<~>lSATZ017GBCArT), CT:NATOtAS50(A)llT4".!NTC"(f))

A a tB:OiflCI:INTDCAJl[J:INTO<BJl

J a tz:ZEROU)!

: INTDUBSOCA ))

NATOCAB SD<KOD<A)) J

: UH:> 013 OU) J

T5 t: ST~EO<POU,BJ•B•PDOlU.;B•Z)) EO<B•P·l<A•G)} T& := EQlNTll<B•PIHArSl,TS ... .!J INTD<PlUrB))

J a tz:ZERO<B>l TT :a SYKE Q( PI)( A rB ÎrAr POO<:<A,.s, ZJ J EIHA ,p, u~a)) T8 ::: EQINTD<ArPO<A,.BJ•J7,I> : INTOCP)(A.BH

A a [1: INTI)( AJ ]( P: POSO<A)] . f9 ::: <P>ANOEZ(PCS~(A)~[T:POSOU.H

NATRPCRPC~PJtA,T>>•PDS!UrNAfD<A•P'I,J NATRPC.POFPO(A~P>l J ; [PP:POSD!PO(A~Blll

APB1 ::: RPOFP!HPD<A•BhP!>) : CUT CP:POSDCAJ l Al :: RP~fPO(A,?l CUT

s

$

s

s

$

s

Page 47: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

(QtPOS:>(S)) lH = RPOF PO (!h 0) CUT TlO = NA?PL(Al,T?<A•l•P>.Blri9(8rJr0J) NATRPt~l<AlrBllJ

Tl1 = EOPD1ZlArPOOrR?(Al)rS•POOFRP<91)• EQPO?.PlCArPlrE~?ûR?l(g,S)) : EQCPD(ArSJrPD<PbCFRPCA1J,,OQFRPC81JJ)

T1Z ·- TREQ<PO(ArBJrPD(PD~F~PC~llrPOOFRP(BlJ) ,?QOFRP(Pl(Alr31))rfllr LEHMAIVADICAlr81Jl : EO<PDCArBJ.PDOFRP(PlCAlrBll))

T13 ·- TP.!S(CUT.AP8!rRPOfPO<PlOFRPCPL(AlrB1)J ,pasOI~P(PL(AlrBllJlrPLCAlrBl)r EQ?OER?CPD~Ar9J7PPrPOOFRPCPL<Al•BlJ), POSOIRPCPL<Al.B1J)7T1Z>r iSRf'!"JZ( Pl< A l• !H))) : lSUPBl rPU Alr91 U

rt4 :: ISPH:Uh t 1': C:Jil NATRP{ T hPUAhBl h AP3l,TlCrTUl NATRPCA PSU

T15 :a ANDif?OSOCP~(ArB)J,[T:PDSO<PD<Ar9J)J NATRPCAP91(T)J,pp,(J:PDSDtPnfA.rS)Jl Tl4(J,P,Q)} NATOCPl u,s))

T1& :• NATINTDfPOCA.rS)rT15J : INTiHPl U .oB)) P a Uf:NEG!)(SJ J

TLT := S.HZ0!7~C(B• N) POSO<Hl O(BJ J BZ ::: RPOfPC(H?J(3J,T17l : CU i Tl8 . - EQPDZCB.r~ODCM00(8)J.oA•SATlD177At9)) ECICPDCA rBl.rMOU.MODUJ)) T19 ·- EOPOSO<P:lU• B hMO( A.o ~00( B> h TJB,.PP) POSIH M) U .. HOD< B J JJ TZO == SATZD18ZA<A.r~OO<B>.oT19) : MOREO{A,K00(8)) Tzt := EO~QREDl~[A.rPOCfRP<AlJ•MOOtS>•

PDGfRP<BZJ.rEOPORP1(A.rP>.oEOPDRPl<MOD(9i •T17hTZO> : MOREDt»DOfRP<A1J.oPDOfRP(82l)

rzz := LEMHAIVA03(At.92.oTZll : MORE ( Al ,. BZ> T23 ·- NATMN(Al.oT9(Ari.rP>•B2.rT9(HODCB).r

INTMOO€BtJ)rT17>•T22) NATRP(I4 NUl rBZ.o TZZJ) 1'24 := EOPD1Z(H00(8l.rPDOf~P(B2J.rPOCA.r8l•

PDOFRPtAP61J.rEQPORPl(~OO<BJ•T17).o EOPDRPl(PQ{A,SJ .. PP)> EOCPDC~OOCBl.oPDCA .. 8J),pQ(P00FRP(BZJ,poCFRP(AP81JlJ

T25 ::: TR4EQ(A,~O(POCA~a>~s>,PD(MOD<Bl, P0(A,B)l.rPOCPOO•RP!B2J~POOFRPCAPB1)), PDOfRPCPL<BZ,APSlJJ,SYMEO!HD<POCA•Blr BlrA.KOPD<A,BJ),COMPCCPO<A•BlrMODCB>J• TZ4•LEMMAIVAD1CBZ,APetJJ : EQCA .. P)OfRPCPLCBZ,APB1J)J

T26 == TRISZ<CUT.PL<BZrAPBll•Al.o RPOfPOCPUOfRPCPLCBZ,APBl)), POSDIRPCPL(82rAPB1J)J, ISRPP01CPL(82rAPelJ), EQPDERPCArP.POOFRPCPlCBZ,APBl)}, POSOIP.P<PL{B2•APB1lJ,TZ5J) !StPLCS z,.APBlJ rA 1)

127 :a SATZ14~CA1,82,AP81.ïZZ.Tl&> : IS!APBlrMNCAl.oBZ•TZZlJ TZ8 '"' ISPl(CUTr[T:CUTlNATRP<TJ.MN(Al.oBZ,TZZJ

.oAPS1rTZ3.oTZT) : NATRPCAPBlJ T29 :a ANDICP3SDCPJ(A,B)JrCT:PDSD(PDCArBlll

NATRPClPS1CTJJ,pp,(J:PQSOCPDCArBl)l rzao.r>.NJJ : NATDCPl CAr8))

f30 := NATINTOCPO(A.r8)•l29) INTOCP) u~a )) p a T31 :: RAPPOtS.INTD(P0(A,8J),[f:?OSD(8)]

T16CTl~tT:ZERO<B>lT6(T),[T:NEGOC6)l T30(J)) INTOCPiJ u,.a U

PP a tH:N5:GDU)l - 4. 45-T31A := TH3'"l• J)fP"CNEGOC Bl~> NEGDCP!).(h8) h

PNOTNOCPDCA.BJ,PPJ.tT:NEGDEB)lNPOCA•B~ NH>) ·: NOHNEl 0{8))

J3Z ·- TH3•L.lMP"<ZER0(8).oNEGO(P0(A•B)), PN~TNO<PO(ArB),pp),[J:ZCRO!B'l

CO~EGOCA•PO{A,B>•SV~f.Q(OO(A•B)•A•

Page 48: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IN Tl

HINT!)

POOZ<A•B~T)l,N:J

T3l ::: OR3EZCZEROC9lrP~SOCB)rNEG0{8J,AY.RDO<B) .. TH~-· i'3ZJ

T34 : .. EQPIJSOCPDU,. g hPOCS• AJ,.COKPO:ArS hPP l T35 :: r 3:>< a. A• J" h TH• n:s .. ~u TJS := EQ!~TJ(P0(8.A),POCA.S).C0MPDC8 .. A).TJ5)

pp ~ T37 :: RAP?O{A.INT~(PO<A•B)};(T:?QSD{AJ] T31<TJotT:Z~ROCA)lf6(T)rtT:NECD{AJl T3ó{ T>)

J ; t3P:ZEROCPO(Ao8))J T38 :: I~TOI~<PO(Ar9);0P)

J a CNP:NEGO(POCA.B)JJ Tl9 :: SATZa176C(PDCA;9)•NP> T40 := ECPOSOtHOD(POCAr8)),pQ(H00tA),.H0D{8))r

SATZ01eOtA,g),i39) TH :: -T37CM00(A)rKODtB>•lNTM3D{Aoll•

ilf:MO'HB•J'' HO> HZ ·- EQINTD<POC~~D(A),~00(8)),MODCPOCA•B)),

SATZ0130A{A,g),T41J T43 == INTMGDC~C~C 0 0{Ar9l},f4ZJ Tftlt := ~QI~TOtMC~t~CD<POCA•B>>J•FD<A•B>•

SAiZ~177(?0'J•B>>rT43l

J a IHTP) := RlPPO(PD<A•B'•INTDCPO<A•B)l• (T:POSDCPDCAr9))lT37•.INTO•(T)r tT:ZEROCPDCAr9l>lTl8".INrD•(f), [T:NEGOCPDCArSJ>lT44•.INTO•(TJJ

INT MD ·- INTPD(ArMOOC9J•I•INTKOOCSrJ))

J ~ [H:NOTtZEROCTO(ArB>J>J T45 := TH3•t.IMP•czEROtAJ.!EP.OCTO(Ar8)),Nr

CT:ZERO<A>lTOOlCA,S,T>> T46 :: TH.J•L.IMP"CZERCCBJrZEROCTOCArBllrN•

(T:ZER0(8)JTC02<A•B•T>> U7 :: SATZD166E<A• T45l A3 := RPGfPOCABSOUhT47> H8 := SATZ0166EC IJ,. T46) 83 :: RPOFP~<ABSO!BlrT48) H9 :: NATTS<A3•T9C MIS!HAh tNTASSIHAriJ.T47 h

B3,T9(A8SDCS>riNTA9SOCB•J),T48)) TSO := SATZD166E(T~<A .. s> .. N> [P:POSD(ABSDCTDCA .. B)))] ATB3 :: RPOF'POCABSOCTOCA.B)),.p) T5l ·- EOT012<ABSOCAJrPOOFRP(A3)rABS0(8),

PDOrRP(BJ),.~QPORPl(ASSDCA>•T~7)r EQPDRP1CA85~(8),T48J)

TS2 :: TR3EQ< ABS.O(T!i( A,S)}, TO<ABSD<A>,ABSD<B> ),TO<POOFRP(AJ}o?OOrRP!83)J, PDOfRP(iSCA:SrBJJlrSATZD193C~•B>•T51• LEMMAIVADZCAl,Bll)

T53 :: TRIS2CCUf,ATB3 .. TS{Al•B~Jr RPOFP0<?00fRP!TSCA3,SJ)),. P050IRP(TS(A3,~3)l)•

EQPOERpCABSJ<TC{A,B)J,p, POOFRP<TS,AJ,g3)},pOSOIRP(TS<A3•83)), T52),.ISRPPOl<TSCA3 .. 83)))

154 :a ISPl(CUT,.[T:CUTlNATRP(f),.T5(A3r83),. ATB3r149, I '53 >

NOH ZEt 0(8))

POS!)( BJ t POSO( Pi) <BrA J l : I NTH PJ CB rA)) : INTIH PJ (A,. B))

INTDtPl <A•S))

INTi)(P) (A oB))

POSO< H) OCPO< ArS)))

: POSOCP)(H00(A),MOOCBJ)l

I INTDCP3CKODCAJoKOCC8)))

: INTDC H:J OCPD (Ar 8))) : INTD01) !)(K()~(P0Ur8 ))) )

: INTDCP~UrBll

: IfiTD( PI) u .. a)) : INTDCM) (A,.B))

NOH ZER 0( A) J

: NOHZElO<BJJ : POSOUBSD(A))

CUT POSDUB SD<B J)

: CUT

NATRP<fSCAl,SlJ) POSD<A3SOCTO(A,8)))

: CUT

EO CT O<A BSD< A >.ABSO< B)) • TDC POOrRP( A3 h PDtf RF<B~J) l

NIITr:IPU Ti!.H

s

s

- 4. 46-

Page 49: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•INTl

•IVR1

•tVRl

Na ns

J a INTTl

a EO ~EH; S Y'!E;

TREQ

:= ANDitPOSO<ABSDCTDCAr8)))# tT:POSDCABSDCTD(A,BJJ)JNATRP<ATB3<T)), T50rtTIPOSOCAB50(TJIA•B)))JT54(f)J N.\Toua sonou.su>

INTOCT9 u .. s J J

:= tX:I>If"HY:OIFlEQ"P.f'"(X,YJ tx:OtrJ tY:O!Fl'PROP' :: [X:OIFlREfEQ"RP"(X) : tX:DIFJ<X><X>EQ :: [X:DIFltY~D!Fl[T:<Y><X>EOlSYMEQ"RP•tx ..

: U:OifJ n:OIFHT:<V><X>EOl<X><Y>EO

$

s

•- tX:DirJ[y:CIFltZ:DIFlCT:<Y><X>EOl (U:<Z><Y>EOlTREQ"RP"<X•Y•Z•T~U) : tx:OIFJ (Y:O IFH Z:OIFJ[ H<Y'><X>EOJ[U:<Z><Y>Eill<ZHX>EQ

a

a

R a

A a R a A a R a

R a

R a

[A:OIFJ[StSET<~IF>l Uf.f :: ESTI CO If" ,A,S) REAL :: ECT"EQ"COIFrE9rREfEOrSYHEQ,TREOJ tR :REAL HS :REAll IS IHS tP:tx:~EAll'PRQP•l SOHE ALL DHE tSO: SETC RE AL) l

:: IS•E•CREALoR•S> :: NOTCIS(R,S))

:: SOHE•L•<REALrP) :: ALL•t•(REAL•P> := ONE•E•CREAL•P>

I!i1 •- ESTHREAL•R•SO> REALOF := ECTELT~EQ"(OIF,[Q,REFEOrSYMEQ,TREQ,A) CLASS :: ECEcT-(Q"(DIFrEO•R~FEO•SYMEOrTREO•R> INNC~ASS :: THS•(Q.4"(DlfrEO~REFEOrSYHEOoTREQoA) tA:OIFJtB:DifltE:Eo•RP•(~,BJltAIR:INN<ArClASS(R))l EOIN~ :: TH8•EQ.4•(DifoEOoRErEOrSYHEOoTREO•R•A•

AIR.s.o [P:•,~OP 1 lCP1:tX:Oifl[XI:IN~CXrCLASS<R))JPJ REALAPPl :: THJ•EQ.4•COif,EQ,REfEOoSYH(OoTREO•RoPo

PU

: 'PR!JP' 'TYPE'

'P=tJP' : 'PR:lP'

·: •PRDP• 'PROP' 'PROP'

: 'PROP' REAL SET{ Oir J

: INN(A,:lASS(REALQF(AJ))

: INNtB .: LASSCR))

p ($ :REAL ](P: t PROP' l[P1:[X:DifltY:DIFltXI:INN<XoCLASStRJJltYI:INN<YoClASSCSlJJPJ

tA:OifllAIR:INN(AoCLASSCR>Jl Tl :: REALAPPl(SoPr[Y:Dtfl<AIR><Y><A>PlJ : p

:: REALAPPl<R•P•tX:OIFlCXI:INNCXoClASSCRJ JlT1•.IVRt•<XoXl}) : P

S ~ [T:REALltP:'PROP' l tP1: U:Oif l (Y:Oif l [l:!>IF ltXI:I,NtX•ClASS(R)JltYI:INNCYrCLASSCSJJltZI:INN(ZoClASSCTJJ]PJ

Pl ; CA:DifltAIR:INN<AoCLASS(R)tl TZ := REALAPPZ(SrTrPoCY:OtfltZ:OifJ<A!R><Z>

. I

s

- 4.47-

Page 50: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

·IVR1

T a tu:R~ALJ[P:'PROP' ) [Pl: (X:OIF }

[ y: !)I f 1 cz:orr l cv:ntr J

:: RE~LAPPl,RoP,[X:O!Fl[Xt:INN<X.CLASSCRl )liZ•.IVRl·(~•Y.I>> : P

rxt:!N,(X•CLASS<Rll ltYI:iNN(T,CLASSCSl)l[ZI:INN(Z~CLASSCTJJJ[VI:I~NCV,CLASS<UJJlPl

uiV?.l

•IYRl

Pl ~

P1 a

s :)

Bl!S a

SliS a

aus a

a

tA:O!flCAIR:INNCA~ClASSC~JJl T3 :: REALAPP3(S,J#U•P•[Y:OIFJCZ:OIFlCV:Oifl

<AIR><V><Z><T><A>P1)

REALAPP' :: REAtAPPlCRrP,tX:OitlCXI:INN(X,CLASS(R) >li3".IYRt•<x~XIJJ : P

tA1:Jifl[91:0IflCA1IR:INN<Al,CtASS(R))Jt91IS:IN~(Bl,CLASSCS)) J[[:[Q•Rp•(A1o81JJ ISIN := TH3*Eo.s•<OIF,(Q,REFEQ,SYMEQ~TREO~R•S•

AlrAliR•B1r31!S.•Ël ISCihSJ ri:iS(R,S)J ISEX :: IHS•Ea.s•<DifrEOrREFEOrSYM[Q,TREO•R•S•

u.AtiR~!n.aus.o : Eo•RP"t AhBU CN:MJf([Q•Rp•(Al,B11ll NISIN :: THl*l.I~P·<ISCRrS},[Q•RP•tAlrBl)oHr

CT:ISIR,S)JISEXO)) : NIS(R,.SJ [N:NISCihS)) ~ISEX :: THJ•t.IMP•([Q•Rp•(Al•Bll•ISCRrSJrN•

CT :E Q•RP,.( Al, a U li SII\C TiJ NOH [Q• R?•( HrSlJ l CALP~A:'TYPE'l[F:tX:OiflALPHAJ fiXF :: FIXfU•Ea·c~If,[Q,~EFEQ.SY~EQ,TREQ•

ALPHA•F) 'PROP' [Ff:F'IXF(AtPHArf)J(RO:REALl INOREAL :: INOEQ•Eo•<oir~EQrREfEQrSYHEQ•TREO•

ALPHA.~~rr.RO> ALPH~ {AtOifl[AIR:IHNtAoClASS<f.O>lJ ISINDREAL := TH2"EC.10"<0lFrEO.REF'EQ.SY~(Q,TREQ•

ALPHA•F,ff,RO•A•A!~l ALPHA a [G:[~:OIFl[T:OIFlAlPHAl

FIXF'Z := F!XFUZNEQ.(Dlf,[Q,REFEQ•SYM[Q,TREQ, AI.PHA.G)

CFFZ:FIXFZCAL~HA.G>lt~O:~EALJêSO:REAll INOREALZ :: INDE92~(Q•(OIF~EQ,REfEO.SYMEQ,TRE;,

ALPHA•G.rFz,RO,SQ) tA:OIFlCB:OIFltAIR:INN(A,ClASSCROl)J[BIS:I~NCB,CLASSCSDJ)J ISINDREALZ :: THt•Eo.tt•(O!FoEQ•REFE~•ST"[Q,TREQ•

ALPHA•~•~FZ·R~.S0,4.~!~.s~BIS) ~ 0 ;-, f:E.\lQf"<Ortl~P,1t:f>iJ

: 'PROP•

ALFHA

: IS"E~!~t~HA,<3><A>G,iNORE,t2;

R:AL

s

s

- 4.48 ..

Page 51: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IVR1

•IVR1

•IVR1

•IVR1

HlV~l

•IVRl

R ; UO:IrifJÜOIR: INN( ltO~ClASSCRJJ Hz: ZEROCAO>l OIH := ISHHR~IhAOrOF'<lRP.lRPhAOIRr

AOIR a ri:IS<R•O>l OEX

R il P!lS AOIP. i1 [P:POSO(AOll

==

::

==

IN~CLASS(OfClRP•lqp)), ZEROEOCA0o0r(1RP.1RP>•Z• ZEROI(lRF'•IRP,REflSCCUT.lRPJ)))

EOZERO<Df<lRPolRP),AO• ISEXHhR•Of'( lRP.tR!>l,.AO• I NNC LA SS {Of' ( lRP. lRP J lo AOIR, SYM!S(RE~L·R•O•I>>• TRISCCUT.STM(OfClRP,lRPJ),lRP, STOCOF'ClRP,lRP)),.STMIS(lRP•lRPl• I SST:( lRP, 1RP) ))

ANO<INN<AO•CLASSCRllrPOSD<AOJJ

SOHE·~·cO!f'•[X:OiflPROPP•.IYRl"(XJJ

;· ZER!)( A))

: 'PROP'

'PROP'

P a H :: ANOI<INSCAO,CLASSCR)J;POSD<AO);AOIR,.Pl : PROPPCAOl

P a P!JSU

AOIR ; [P:PQS(Rll

:: SOMEICOif•[X:OIFlPROPP•.IYRl•(X)•AO• Tli".IVR1•)

Pa tA:DIFl[Ql:PROPPCAll T5 :: ANOEHINN(ArClASS<RJJ,POSO<Al.Oll T6 :: ANDE2(1NN(A,ClASS(RJl•POSD<Al•Oll T7 :: EOPOSOCA.AO.ISEX<R•R•ArAOrT5rAOIR•

P ; POSEX

REFIStREALrR)lrT6)

:: SOMEAP?<CIFr[X:OIF'lPROPP•.rvRl•(XlrPr POSO<AO>,[X:OIFl(T:PRnPP•.IVRl"(X)l

POSCRJ

: INNCA.CLASS(R)) POSD( U

: POSO< A3)

rr•.tVRl•(X,.T)) : POSDCAOJ

AO :1 PROPil

R ; NEG 'PROP' AOIR ; [N:NEGD(A0)]

N ; ra :: ANDHINNUO;CUSSCR>);NEGDUOhAOIR;IU PROPHUO>

s

s

s

s

s

s - 4.49.

$

Page 52: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

111 i NEGil'i :o:: SCKEttOIY•[~:OiflPRUPNw.IVRl•t~),AO# re ... I'lfn•• NEG(R)

AOIR a HHNEGCR>l

+•IV:U s

N a [A:Olfl(PL:PRDPN(A)] T9 == ANDEl(fNNCA•CLASS(R}),NEGOCA),PLJ INN( h!!LASS<R >) no :-• ANOE2CIUNCA,ClASSCRJJ~NEGDCA>•PL) NEGO< A> T11 :• EO~EGJ(A,AO,!SEXCR•R•A,AO;T9•AOIR,

REFIS,REAL,Rl>,TlOl NEGiH AJ >

•IVR1

H ; NEGEr =· SOMEAPP<OIF•tX:~IflPROPN•.IVRt•CXJ•N• NEG!HA O>r [x:~ IF'l tT :PROP~., .1'/R t•C 10 l ru•.tv!H·cx,.rn NEGO( Al>

u IYl!l s

AOIR ; [P:f':JSOUOJl TlZ :: CRliZCISCR,Q),POSCR>•NEGCR)•POSIN<P>> : ORlCISlR•O>•POSCR>•NEG<R>)

AOIR ; tz:ZEROUO Jl T13 := OR3Il<ISCR•OJ,POSfRl•NEGCR>•OtNCZ)J OR3( IS( R•O>•POSCRhNEGCR))

AOIR ; tN: NEG I)( AO)] ru == OR3Il<IS<R•Ol.PDS<R>•NEGCRJ,.NEGINCN)) OR3( ISC R,.OhPOS(RhNEG<R))

AOIR ; T15 :: RAPPO(AOr0~3CIS(Rr0lrPOSCRl,.NEG(R)),. (T:POSilUOll T12< Th( T: ZEROUOlJTU<T ),. [T:NEGOCA0)jf14(J)) OR3< I St R,.O>.POS( Rh NEG CR))

•IYRl s

R i AXRLO := RE~LAPP1CRP0R3CISCRr0)rPOS(R),.NEGCR)), tX:OIFJCXI!!K~(XrClASSCR)Jl Tl5~.IVP.l•<XrXI>1 OR3C IS( R, 0),. POS CR),. NEGtR))

UIVRl ' AOIR a cz:uu.o> J

T16 := THJ•L.I"P•(POS(R),.POSO(AQ), O~OTPDCAOrOEXCll)r{T:POSCRJlPOSEXCT)J : NOHPOS CRU

AOIR i tP:PDS(R)] T17 :• TH3•t.I~P·(~EGCR>rNEGOCAO>•

PNllTNDCAOrPOSEXtP)),(T:NEG<R>lNEGEXCT) ) : NOT( NE:O CR))

AOIR a tN:NEG(R)] f18 ·- THJ•t.IMP•tiS!R,.O>•ZERO<AO)r

NNOTOO(AO•~GEXCN)J,[T:IS<PrOJlOEX(T)) NllH ISC R,O)) AOIR a T19 := TH6~l.EC3~CISCRrOJ.POSCRlrNEGCRl•

[T:ISCP.rOllT16(T)r{T:POS(RllT17CT>• (f:NEG(R)lT18(T)) ~ EC3<ISt R,O)rPOS<RhNEGCRH

-IVRl s

R a AXRLE := !tE AL APPl(R,EC3U S CRrO h POS CR h NEG<R 1 >.. [XIOIFl(XI:I~NtXrClASS(RJ>J Tt9•.tVR1-tX,X!)) ECJ( !S\ RrO>•POSCR>•NEGCRJ> - 4.50-

AXRL := OREC3tCIS(R,OJ.PGSIRt.NEG(R>.AX~LOr .. AX~lE: : OP.EC HlS (Rr 0 J ,poSCR hNEGC~))

[p: 'PROP'l tPt:tt:POSCR>lPJ tPt:tT :I SCR .. O ))PHP3: CT :NEGCR) lP l RAPP == OR3APP(iS(Rr~)rPOS(R),N~G(F.l•P,AXRl0r pz,rt.P.J> p

Page 53: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IVRl

•IVRl

R ;a

R ;)

R a

s il

I • ;)

s' a

tP:P!JSCR)] !»NOTN ·- ECJE23ClS<R•O),P0S(Rl•NEG(R)•AXRLE•PJ ·-PNOT) :: EC3( 2H I SCR• 0 hi'DSCR h NEG (Rh AXRI.,E,.P) [i: IS<~t•O> J ONOT:> := ECIE12(IS(R•Ol,POSCR>•NEG<R>.AXRLE•I) )SCT~ ·- ECJE 13C I Sf R~ 0) ,.PQS(R h NEG <R), AXRLE,.J} tN:NEIHfUl ~NOT~ == EC3E 32( ISCR,. 0) •POS< R ),. NEG< R)" AXRl.E •N l ~men := ECJE3l(IS<R.O>.?OS<R>•NEGCR),.AXRLE,.N) [I:IS(R•S)l[P:POSCRJl !SPDS := ISP(R~AL•CX:REAtlPDS<X>•R•S•P•I> (N :!'~EGC R)} IS NEG ·- ISPCREAt .. ~x:REALlNEG<X>•R•S•N•I> ·-rRo:cun f'OFR?' := REALOF<POOFP.PCRO>> ~JFfP :a REALOHNDOFRPC RO)) lSO::UTlti:IS"RP•CRO.SO)J ISRPEr> :: ISF'C CUT" REAL• tx: CU Tl PCFRPUh RO• SO .. I J ISRP!:N :s ISF(CUf,REALr[X:CUTlNOFRP<XlrROrSO•I> [I:IS<POFRPCRO>rPOFRP<SOJJJ

:: ISEXtPOFRP(ROJrPOfRPCSQJ,.POOFRPCRO)r POGFRP(SOl.INNC!.ASSCPODFRPCRO>>• INNCtASS<POOfP.PCSO>>•IJ

l 2 ISRPI? := ISRPIPOCRO .. sO,T20•.tVR1•) SO a n:ISCifDFRPCROhNOF'RP(SO))l

:= ISEX<NOfRPCROJ,.NCFRPCSQ),NOOFRPCRO>• NOOFRP<SOJ.IN~CLASSCNOOFRPCRO)J, INNCLASS(NOOFRP(SQ))r!)

I ; ISRPIN :: tSRPINOCRO.SOrTZ1•.tVR1"> RO ; POSI :: POSINCPOfRPCROJ.PDOF'RP(ROh

INNCLASS(POOfR?CROJJrPOSDIRP<ROJJ NEGI := NEGUOiOfRPCROJ.NOOFRP<ROJ..

INNCLASSC~DOFRPCR0)),NEGOtRPCR0)) S a [RO:CUTl(SO:CUTlti:IS(R,POfRP(ROl>J(J:JS(SrPOfRP(SO>J

HK:IStR•S))

K a T2Z := ISRP1PCRO,SO•TR3ISCREAL,.POfRP<ROl"R~'S' POfRP(SO h S'tXISC REALrR,.?OFRP<RO h I ),.I(,.

NOTeNG (RH NIS<R.))

NOHPOS CRU NQTOfEa {R))

NOH POS CR)) NI SC R rJ )

POS(S)

NEGC S)

REAL : REA!.

: ISCPOFlP(ROlrPOFRPCSO)l ISC"ORPCRO hNOF'RPCSOJ 1

: EQ•RP•c PDOFRPt:ROhPDOFRPCSOJ)

: EQ""RP•t NDOFRPCRO > rNDOFRPCSO))

: IS""RP""t RO .. SOJ

: POSt POF RP<RO))

NEGC NOF' RP<R 0))

Jn : IS""RP""t Ro.so> R <a TZ3

AOIR a CP1:~GS(R)l TZ4 PR 1'25

T2G

:: tX:CUTl[Y:CUTJ[TilS(R,POfRPCX))J (U: IS< R .. PIJFRPt Yl J lTZZC R" Rr x,. y, T ,u,. REFISCREAL•Rl> : AfoiO~E<::UTr[X:CUTliSCRrPOf'RPCUH

•- POSEXCPU PliSOO.) ~ :: RPOfPD!IO,T!4l . : CUT := ISINfR•POfRPCPR),AO•POOFRP<PR>rAOIR•

INNCLASSCPOOfRP<PR)),[QPORPl(AO,T24JJ : ISCR,PlFRP<PR)) :: SG~EI<CUT,(X:CUTJIS(RrPOfRP<X>l•PR,

TZ5 J S01<4E,.R"' •([X ~CUT liSCR.POFRP U)))

s

s

s

s

s

-4.51-

Page 54: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

·IVR1

utYRl

·IVRl

•IYR1

hlVRl

R a [PtPJSCRll

rza

P a RPOfP

t= REALAPPl<SOME 8 RP•C[X:CUTliSCR,POfRPCX) )),[X:OlfltT:INN{X,CLASSCR>>lT26(X,T, P)l SOME .. R:t•((X :cuT J ISCRrPOfR:t {X)))

:: ONEI<CUTr(~:CUTliS(RrPOFP.P(X)),T23r T27J : ONt•RP'"UX:CUTliS<R•POf"RP(X)))

i28*.IVR!•) : CUT ISPRPl :: ONEAX(CUT,[1:CUTJIS(R,POFRP(X)),

T28'". I VR1 .. l ISC~,. Pl fRP( RPDfP(R, P))) tSPR=>2 :" · SY"'! S: RU. Lr R • POfRP ( PP3F'P< R• P)) • I SPRP1} I S(POn PC RPOfP( R,p > hR)

3 tR1::tEAll[ P: POS< RUHS 1 :lltAl H \:: PQS( 51}) EI ::::SC!HrSl) 1 ISPE~P :• rzz•.:v~1r<RlrSl•RfOfP(Rl•P>~

R?Of P< Sl• 0 h ISPRP1< R l•P) • ISPRP1< Sl,Q h 1) : IS"RP•t RPOfP(ftl•P>•RPOfPCS l•OU

0 a CI: IS,.RP•( RPDfP<RlrPh RPOf?(S!,QH l ISPIRP :• TR3IS<REALrRl•PGfRPCRPOfP(RlrP))•

a tRo:cuTJ

POFRPCR?OfP(S1,QlJ,S1.!SPRP1<R1,P), ISRPEP( RPOfP( Rl• PhRPOF'P (St- Oh I Jr ISPRPZ<St .. OJ l : IS<R l•S U

ISRP~l :• Tzz•.IVR1•CPOFRPCROl•POFRP<RO>•ROr RPOFP(POfRPCRO>,POSICROJJ, REFIS{REAL•P~FP.P<RO;),JSPRPlCPOFRPCROJ ,POSICRO>J,REfiS(R~Al,POFR?<RC>JJ : IS·~p·~RO .. RPOFP<POFRPCROJ,PDSICROJJ)

ISRP~Z :: SYMISCCUf,RO•RPOF?<POfRP(R0l•POSICR0)) •IS~PPH : IS"'RP"t RPOfP<POFRP<ROl•POSI(ROUiROJ

Sa [RO:CUfltSO:CUTlti:ISCR•NOFRPCROJ)J[J:ISCS.NDFRPCSOJ) HK:ISU,S)]

K a TZ9

R a T30

AOIR a tNllNEG(RJl T31 Nit T3Z

T33

R ; CN:NEGOOJ

:: ISRPINCRO,sO.TR3ISCREAl·NOFRP(R0JrR•S• f!OFRP( SO h SY MIS< REAL• R• NOFRf'C RO hl h 1(, J)) : IS'"RP"'[ RO,.SO>

:: (X: CUT H Y :CU Tl tT: IS(R,.. Ntlf"RPCJOH tU:ISCR.H~FRPCYJJ1TZ9CR.Rri•Y•T•U• R~FISCREAL•Rl) AKONE<:UT,[X:CUTliSCR•NDf~P(X)))

:: NEGEXOill : NEGi.HAJ l ;: R?CPIOCAOrT3U CUT := ISIN(R,NCFRP<NR),ACoNOOFRP<NRJ,AOlR•

INNCUSSCNOOFRPC N!U J rt: QNDRP1C AO" T31)) I SCR,. H:l FRP<NR)) :: SOHEI<CUf,[X:CUTliSCR.NOFRP<X)),NR,

T32 J SOMS: .. R~ •([X :cUT liS< R• NOFR=> CU) l

s

s

s

- 4. 52-

s

Page 55: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

J1rtXJOIF1ET:INNtXrt~A55(HJJJl55tXrlr

N)) SOME•Rs .. ([X :tUT HSU• HOFRiJ <X)))

T35 :" ONE I <CUT • [ X:CUTl IS<RoNOfRP~X >),. T 30r T34) : ONE•Rp•((X:CUTltS(R•NOFRPCXlJ)

N ; RPOFN := tNOCCUT,[X:CUT1ISCR•N3fRP(X)),. TZS".IVRl"l CUT

ISNRP1 := ONEAXCCUTotX:CUTJIS<R,NOFRP<X)),. T35" • IVRl*) : ISCR• NJ fRPC !'POfN(R,.fU))

tSN~'"2 :: SYI>I!S{REALrR,.NOfRP<RPOfN<R,tO hiSNRP 1) ISCNOF~ P<RPC!'"N(R,N) lrR > ; [lU: ~EALH N:N(GIRl )l(St:REAU:~t: NEG{ 51 JH I :IS<Rt..Sl >1

ISNE~P :: T29•.IVP.l~<Rl .. Sl•RPOfN(R1,NJ,. RP~FN<Sl•H),!SNRPl(Rl•Nl•ISN~PlCSl•M)o I> : IS"'RP•[ RPOFMCR1 .. tU .. RPDFN(Sl,.M})

K a [I:zs•RP•CRPQfN(Rl•N),.~POF~CS!•M>Jl ISNIRP := iR3ISCREALoP.1.NOfP.P<RPOFN<RloNl)•

; [RO:CUTl

NJ!'"R?CRPOfN{Sl•H)),Sl•ISNRPl{Rl•N), ISRP[N{RPOFN<Rl,NJ,RPOFNCS1,.MJ,.tJ-ISSRP2(Sl,H)) : IS(iU•51l

ISR~Nl :• fZ9•.iVRt•<NDFRPCROJ,NOFRPCROJ,R0• RPOFNCNOFRPCROJ,.NEGICR0)),. REFIS<RE~L•~OFRP<~O)J,IS~RPttNOFRPtROl .. HE:GHROllrREFIS<REAL,~OfRP<RO))l : IS~P"'[ ROrRPOf'IHNOfRPCRO)~ NEGUR0)))

ISRPN2 := SY"IStCUi .. RO,.RPOFNtNOFRPCROl•~EGI(ROJi "ISRP~U : Js•RP""t RPOFlUNOF'RP(ROh NEG HROU• RU

R a SATZ1S3 :: REfiS!RtAl .. Rl : IS(R,.RI 5 :1 [I :ISCR•Sl l

SATZ1&4 := SYI4ISCREAL•R•S,.I) : ISCS,Rt T a ti:tS<R•S)l[J:IS<S•TJl

SATZl&5 := TRISUtEAL .. R.s .. r,I..J) IS(R,.f) a ABSD't := [X:OIFlREALOFCABSO<XJ> tX:DIFl REAl

[A:DIF'l[B:OIF'l[E:Eo•RP•<A•Bll fl ·- ISIN<REALOFCABSDCAJ),.REALOF<ABS0(8)),

ABSOCAJ,ABS0(8)•!NNClASS(A850(A)), INNCllSS(ABSDCBJJ .. EQABSO(A,.B•E)) : ISC<A>ABSOR•<B>ABSORJ

•IVRZ S

•!YR2

+2Rl55

tABS:>R

R ~ ABS

AOIR ~ T2

AOIR a AICA

S a ~.I:ISCR .. S) l IS ABS

:= [X:Oitl[Y:OirltT:<Y><X>EQlTl•.IVRZ•<x, y,.n

·- INDREAL<REAL,ABSDR,fABSOR,RJ

t= ISP( REAL• I ~:REAL liNNUBSDUO hCLASS( lC) ),REALûf(ABSOCAO)),ABS(Rlr

fiXte RE: AL,ABSDR) RE At.

IS<REAi. Of<ABSDCAO)).ABSCR} J

INNClASSUBSOC AO)), T2" .IVRZ" J : INN( AB. DUO hCt ASSC ABS <RH>

IS<ABSC RhA!!S(S))

s

$

- 4.53-

Page 56: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

AOIR ~ [P:POS(R)) Tl == SATZ016óA(AO,POS(X{P)) POSDUBSDU.OJ) TZ := POSINCA8SCR2,AaSOfAOl,A!CA~T1) POSC Aai CRH

·ZRlóó s

R ~ CP:PJS(R)] SAfZló&A := REAlAPPltPQS(ABSC~JJ,[X:OIFltTtiNNCX,

CLASS(R})]Jz•.zRló&•(x,y,p)) : POS< ABS <R))

H2ft153

AOIR a ('t:NE:GCR)l T3 := SÄTZ0166BCAO,NEGEXCNJ) POSiH Aa SD<A.O)) Tlt == POSIN{ASSCR),ABSOCAO),AICA,f3) POSCABS <R) J

·2R1SS s

R .. HlHIEGCRJ~ .. SATZ1&S9 :: REALAPPlCPOS<ABS~R}),(X:OIFl(T:tNN(X,

ClASSCR))Jt4•.zR1&6•(x,T,NlJ POS( ABS tRH

n2R1U $

SliS ; [P:PDSCR>ltQ:POS<S>lti:IS<ABSCR>,.ABS<S>)J T5 := SATZ0166Ct'l•3l•PCSEX<R•A1,A1IR•P),

POSE X< s, 61. a liS,. tiDr i SEX< ABS< R hABSCS h. ABSOCA1J,A9SD<Bl>•A!CA<R•Al•A1IR>• AICA<s,st.BliSJ .. I)J : EO-RP-I At.BU

T6 := IStNCT5) ; IS(R,S>

•ZR106 s

s ~ (P:PJS(~)l[Q:?OSCS)J[1:IS(ABS{R)PA8SCS)Jl

SATZl&SC ::: REALAPPZ<ISCRrS),[X:OIFl[Y:OIFl tT:INNCX;CLASSCR)Jl(U:INNCY.CLASSCS))] r&·.zRt&&•cx.v~r .. u,p,o,I>J . ISCR•SJ .

H2R16S s

B1IS a [N:NEGCRlltO:HEGCS>lCI:ISCABSCRl.ASS(Slll TT :=: SATZ01660(Al•Sl•NEGEX<R•Al•A1IR•N),

NEGEX(S,S1,SliS.O>riSEX(A8S(R)rABSCSJ. A8SOCA1}rA3SD<6ll•~ICA<R•AlrAliRl• AICA(S;BlrBllS)olJ) : [Q•RP"[ At.Bl>

T8 ·- ISIN<T7> ISCRrS)

•2Rló& s

s a ;;N:NEGCR )J [0 HolEGCS > J[ I: IS< ABS( R),ABSC Sl J 1 SATZ1&60 == REALAPPZtlS(R,SJr[X:OIFltY:OfFl

[T:JN~CX.ClA~S<RJJJ(U:INM<Y .. CLASSCSJll ra•. 2R 1&6 .. { x. Y ~ T .. u. rc .. :J. I, J : ISCR • S)

R a tN:NtS<R.O)l SATZlóóE :: RAPPCR~PUSCABS(R)l,rT:PQS(R)l

SATZlfióACi>~THZ«L.~~~"(ISCR.O>• -4.54-PCS{A9SCR)),NJ,tT:NEGCRI~SATZ166S(T)) POS( A Bi (R))

HZRH.ó s

AOIR ; U:ISCR•OJl T9 ::: SATZ0166f(AQ,OEX<Ill : ZER:H A9 SOfJ\0)}

Page 57: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

... ., V.A,~0~'ni,~O~V~AVI'ft~~ft·i71 • 4~'1\0~It "''"~I

•2R1S6 s

R a U :IS(It,(l) l SATZ16óF := REALAPPlCISCABS(R>·O>•(X:atFltT:INNCX,

CLASS(R)JJTlOw.zRt&G"<X•T•I>> tsUBS[ RhO > s • ICORE :: SOME•L"<DIF,CX:DiFJSOME"L•<oir.cY:Oifl

AN03CINNtX•Cl4SSCR)),iNNCY•CLASS(S)J~ MOREQ<X, Y> )) > 'PROP'

+*IVRZ s

!U <I PROPil == AND3<tNN(A1,CLASSCR>>•INNCB1,CLASS(5)) ;MORE!.HAloBl)) 'PROP'

•IVRZ s

aus :: CM: MGREDU 1to 81 )l

HIV:t2 s

" . T3 ·- AN03tCINN(A1,CLASS<RlJ,.INN<B1,CLASSCS) );MORED<Al•Bl>•A1IR•S1IS•Ml : PROPMU 1•81)

H :: SOMEI<OIFrtX:OIFJPROPMCAl,X>.at ... Tl> SOME"t•COif,(X:DIFJPROPMCAl•X))

•IVRZ s

M 2 MORE IN := SDHEitDif,(X:DIFlSDHE•t•<OIF,[Y:OIF] PRDPM•.tVRz•cx,.Y>J,.A1,.T4•.IVR2•) : MORECR• SJ

sus :1 CM:MORE(R, S>l

+•IVRZ s

M ; [A: DIF H SA :SiJME'"t•( Dit" rx: DiflPROP~( A;.X)) l te: Oifl t P2:PROPH (A,. B) l T5 == AN03E1CINN(A;CLASS<R)),INNC8•CLASS<S)l

, MOR EO (A, 8); P2) : INNC A,.: LASS ( R)) Ti := AND3EZCINN(A,ClASSCRll•INNCB•ClASS{S))

.MOREiHA•B h PZ) INNCS,!:LASSCS)) T7 :: AN03E3<INN(A,CLASSCR>>•INN(B,CLASS<Sl>

, 11JJRED <A,. B); PZ) HOREOCA,B) f8 -== EQMORE01ZCA .. Al•B•Bl•

ISEX<R•R•A.Al,.TS,.AliR,REfiS<REAL,.R)),. ISEX<S•S•B•Bl,.TG.BliS;REflS(REAL•S>>• f7) : MORE OU 1•81)

SA ; T9 ::. SOKEAPPCDtF,[X:OlFlPROPMCA.X),.SA• MOREO<Al,Bl),[X:OIFJ[T:PROPMCA•Xll rsu .. r}) MORE OU 1,. 81)

•IVR2

M ; KOREEX :• SOMEAPPCOIF•tX:OiflSOME•t•<Dif•[Y:DIFl PROPH•.IVRZ•cx,Y>J~M•MOREO<Al•Bl), [X:DIFJ[T:SOMEftL•cO!r•[Y:O!fJ PROPH•.tVR2"<X.YJ>JT~•.tVP.2"(X,T)) HOREO<A l•Bl J

S a LESS == SOME•t•cDif,t~:~IfJSOM(•l•<oif•tY:Difl - 4.55-AN03(iNN(X,CLASSCR)J,.INNCY,.CLASS(S)J~

LESSO<X, n)} J 'PROP'

HIVRZ s

Page 58: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IYR2

•IVRZ

HIVRZ

•IVRZ

HIVR2

·IVRZ

.. LESSOUl•Bl)) 'PROP'

SliS a tl:LESSOCA1•B1Jl

:= AN03I{INN(Al•CLASS(R))•INN(Sl,CLASSCS) L a HO

Tll l .u;ss:>c l.l.oi:lll, A liP.• B liS.ol} PROPl<A 1 .. B! J

:= SOHEl{DIF.oCX:OitlPRO~L<A1rXl .. Bl•T10l : SOHE"L•<Oif,[X:OIF'lPROPt(,l,XJ)

l ; LESSIN :• SCMEI<Oif,.[X:OIFlSOME•t•(DtF.tY:OIFJ PROPL•.IVR2•{X,Y)),Al,Tll••IVRZ*) l.ESS<R• S>

!. a t.\: DIF H SA tSOME•l.•< 0 IF, [x: 0 IF'I PROPt.CA .. X)} 1 [IJ :o I F' H P2 :PROPL <A•ID ]

TlZ

Tll

Tl4

f15

SA tl T16

:= ANQ3E1<IN~<ArClAS~(R)),JNNC8,CLASS(SJ) .oLESSDU• S )". PZl

:z AN03EZCINNCA .. ClASSCRl),INN(B,CLASSCS)) •LI:SSO( A • Bh PZ)

:= A N!J3E3UNNU ... ClASS(R) hiNN<B•CLASSCS}) .. tESSUU•B h PZ)

:• EOLESSD12lA,A1,B,B1• ISEX(R,P..oA,Al.oT12•AliR,REflSCREAL"R)J,. ISEXCs .. s .. a,s1,Tl3,a1IS,REFISCREAL•S>>• Tl4)

:: SOMEAPPCOIF,(X:OifJPROPl<A~X>,SA• lESSD(Al•Bll,(X:DlfltT:PROPL(A~X>l Tl5<X;T))

l t1 lESSEX := SOMEAPP<Dif• C<:DiflSOHE'"L.,<DIF'•tY:OIF'J PROPL~.IVR2•(X,Yllrl•L~SSO<Alr8l); tX:Difl(T:SOME•t"COif,[Y:DifJ PROPt•.tVR2•tX,Y)llT16•.tVRZ•<x,Tl)

T a ti:tS<R•S>ltM:KORECR;T)J ISMO~El :: ISP<REAl;(X:REAllKORE{X,Tl.R,S.K•lJ

l Q (M:MJRE(T;Rl1 ISMOREZ := ISP<REAl,[X:REALJHORECTrX),R;S;M;I)

I a Ct:LESS<R•Tll ISlESS1 := ISP(REAl,[X:REALll~SSCXrTl,RrS•L~lJ

I tl [L:LESS(TrRJl lSlESS2 := ISPCREALrtX:REAllLESS(T,XJrRrSrL•IJ

U a [I:IS<R•S>JtJ:IS{T,U)l[M:HO~E<R•TlJ ISMO~E12 :• ISMORE,2<T;U• s,J, ISHO?.H<R,s .. T..I,M> J

Ja [L:LESSCR•T>J ISLESS12 :: ISLES$2CTrU;$;J,ISLESSl(R;SrT;I;L))

SliS a tH:KORE(P.,Sll T17 TU

:= LE~MA05(Al•Sl,MOREEK(M)) :: lESSIH<S•R•81.A1rBliS•AllR•T17J

: INNCA,:LASStR)J

INNC a .. !:LASS<S»

LESSOCA •B>

: LESSOCAt..Bl>

: LESSD<Ah81J

'lESSOUt..Bll

HORE( s, T)

: MORE CT,. S)

: u:sscs. TJ

: u:ss<r,. SJ

: HORE(S,.IJ)

lES$CS, U>

LESSO CB lt> A1 ) : Lrsscs .. Rl

'

s

s

I

s - 4.56 ...

Page 59: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

s ·~ CIUM:lREU,. Sl l LEMMA! ~= REALAPP2<LESSCS~~),[X:DIFJCY:OIFl

(TIINN(X,.CLASS(ft))J[U:INNCY,.CLASS($))] rta•.rrRz·cx,r,r~u .. H>J : u:ss<S ... Rl

uiVR! s

81!5 a tt:LESSCR.o SJ l T19 :: L(KMAD6CA1•81,.LESSEXCLl) MOREDU l•Al l TZO := MOREINCS,R,9l•Al•BllS,.A1IRrT19J MORE< s .. R>

•IYR2 s

s a tL:LEssu .. s, 1 L(HKA2 ·- REAtAPPZ<MORECS•Rlr(X:Oifl[Y:DIFl

tT:IN~CX•CLASSCRJlJ[U:tNNCYrCLASSfS))J rzo·.IvRz·cx .. r .. r .. u .. tJ> MORE<S• R)

•2P.1&7 s

BliS a Tl :: SATZ0167UA1 .. SU OR3((Q•Rp•(Al.oB1J,.HOREOCAl•B1J,lESSO<A1 .. BllJ CE:EQ•RP•CAl.oBl)J ~~ :: OR3Il<tSCR .. SJ .. MORECR .. s> .. LESSCR .. S),

ISIN<E}) OR3( I St R•Sl" I'!ORE<R• Sh lESS <R•S J J SliS a tM:~OREDCA1rB1l1

T3 :: ORJIZ< IS( R•S h HORE<RrSJ •LESSCR .. s h MOREINUUJ : OR3t IS( R .. ShMOREU.ShLESStRrSU

BUS a tL:LESSD1Al,81Jl T4 :• OR3I3CIStR .. SJrMDRECRrSJ,LESSCR,.Sl•

LESSIN<Ll} : OR3CISCR,SJ•KORE(R,S>•LESS<R•SJ) BliS a T5 == OR3APP<EQ•R?•(Al,Bl>•HORED<Al•Bll•

tESSOCAl•81J,.OR3<ISCR,.Sl,M9RECR;S)r LESSCR•S>>•Tl,[T;EQ"RP•(Al .. 61JJT2C~),. CT:MO~EOCA1,Sl)lT3CTJ,(T:LESSO<Al•Bl>l f4(J)} : OR3( IS( R,.S) .. KORE<R,.S),. LESS<R .. S))

TG == SATZD1G7S<Al.B1> EC3CEQ•RP•tA1,.81)•MOREO<AlrB1),.LESSD<Al .. B1l) u:rsu .. su TT :a THl•t.IMP•CHORE<R,sJ,HOREDCAl,.Sl)•

EC3E1ZCEQ"RF•(Al•B1>•HOREDCA1•Bl), LESSOCA1rBl>rT6 .. ISEX<IJl,.{T:MORECR .. S)J MOREEX(T)) NOH HOHCRr SU

SliS a t!UMORE<R• S) J TS ·- TH3•t.!HP"CLESS<R•Sl•LESSOCA1,91),

EC3E23CEQ"RP~<Al .. B1J .. HOREOCA1,31Jr LESSDCA1•Bl>•T5•MOREEXCM)), tT:LESSCR .. SlllESSEX<T)) NOHLES S(R,. SJ)

BUS a [ULESS(R,.Sl l T9 :: THJ•t.I~P·CISCRrS),.[Q~RP•CAl .. Bl>•

EC3Ell<EO., Rf'""Ul, !31 h HOREO !A lP 31 ).0

LESSOCA1•8l),T6~LESSEX<LtJ,[f:lS(R,S>l ISEX<T J) : NOT< IS( R,SJ}

BliS ; TlO := TH&•t.tcl~<ISCR,Sl.MORE<R•Sl•LESS<R,.S) .. TH1•L.EC"CIS<~,s),M0RECR~S), tr: I 5 CR, S )]! 7 CT),, TH 1"l.EC•<KORE CR,S h tESSCR,sJ,[T1HCRE<~•S>IT8[l}),

- 4.57-i'Hl"L. EC .. <LE SS <R,S ), IS< R, S ),. CTil(SS<R•S>JT9CJ))) ECl( ISl R•Sl •KORUR•Sh LESS CR•S))

T11 ::. OREÇ 31< IS< R• S >rHORE CR,. S >,LES sa,. S ), T 5, T10) : OREC3<!S<R•S)•MORECR•SJ~LESS<R,Sl)

•Z!H67

Page 60: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

S a SATZ167 := REALAPP2COREC3<IS<R•S),HOR~!R,.S>• LESSC!rSJ).{X:Difl[Y:DIFJ(T:INNCX,. CLASSCR)ll[U:INN<Y~CtASSCSlll Ttl•~2Rl&7•(x,Y,T,UJJ

SATZ167A

SATZ167B

MO~EIS U: SS IS Ut: Kil RE: I SC R,. S) i SATZ168A

:= OREC3El<IS<n•S),.MORE<R•S>rLESS<R•S>• SATZl€.7>

:= U~EC3E2CISCR,S)•MORE<R•S>,LESSCR.S),. SA!ZlHl

:: CRC~:~EtR,sl~ISCR~$)) := CRCLESSCR,SlFISIRoS))

:= T~9·t.DR"CMOREC~•S>•lSCR,.S),.lESSCS~R),. IS<S .. ~),K,[i:~OR[(R,.SJJLEMMA!(T)o {T:ISCR•S>lSYMIStR~AL,R•S•T>>

ORÈC 3Cl S(R,. S} • MORECR,.S ),L:: SSC R,. S))

OR3C ISC R, S),. HORE<R,. SJ# LESS <R• SU

: EC3( IS( R•ShHORE<R• S>. LESS<RtiSl} 'PitJP' 'i>RJP'

: LESS IS( s,RJ S a [t:tESSISCR,S)]

SATZ168B :: T~9·t.OR•(LESSCR•S)•ISCR•Sl·MORE<S•R),. IStS .. ~lrlrtT:LESSCR,SllLEM~A2tT~ .. CT: !SC ilr Sl!SY!HSfREAl•R•S•TH MOREISt S.oR)

T a [I:ISlR.oSlltM:MOREIS<RrT~l tSKOREIS1 := ISP<REALr[X:REAllMDREIS(XrTJ,.RrSrM•I) MOREISCS .. T>

I a (H:HORE!S<TrR)] ISMOREIS2 := ISP!REAL•tX:REALlMDREIS<TrXJ.oR•SrMriJ : MOREIStTrSJ

I a tl:LESSISCR,TJJ ISLESSISl :: ISP< REAl•[lC: REALlLE:SS!S<XrThRrS"l"I) LESSISt s,.TJ

I a {t:LESSIS<TrRJl ISLESSISZ := ISP(R(Al,.[X:REAlllESSIS<TrXhR.rS•L,.I) . : LESSISt TrSJ

U a [I:IS(R,SJJ[J:IS<T.U>JtM:HOREIS<R•T>l

J a

s a

s a

s a

SliS a

SliS a

atiS a

31IS :2

s a

lSKO~EISlZ ·- ISHOREIS2tTrUrSrJriSMOREIS1<R•SrTrirH)

[L!LESS ISC R" f) l ISLESSISlZ

Uf:KJRE< Rr S)] KORElS U [l:LESS( R,. 5) l LESSIS U U:ISCR,.SJJ HOREISIZ LESSIS IZ tH:M3REOCAlr8l)l MOREIS IN

[M:M:JREIS(Ib$)1 MOREIS EX

lL:LESSEOC&l,BlJl LESSIS IN

tl:LESSIS(R,Sll LESSISEX

[11: MORE IS< R~ S > l SATZ167C

) MOREISt S.UJ

:= ISLESSIS2(TrU,S•J•ISLESSlS1<R,.SrT•I•l> J : LESSISCS,UJ

:= O!UULESSCRr ShiS<R• SJ .. U : LESSISt R•S>

:: CRIZ(MORECR .. sJ,IS<R .. Sh IJ : KOREISt R•S> :: !JRI2ClESS{R,.Sl..IS<RoShi) LESSISt R,.S)

:= ORAPPCHOR~OCAlrBl)•EO"RP"<Al,Bl), MOREISCR,.SJ.M .. ~T:MOREDCA1~61ll MOREISI1CMORE!NCT>> .. tT:EQ•RP•tAlr81)J HO~E: 1SI2C I SI NCT))) HOaE I St R~S>

:= OR,P?CM~RECR,.s>.IS{R,.S),.HOREOCAlrB1),. H•[T:HQRE(RrS>l~CREOI!CA!•al•HGRECX(T) } ,[t :IS< Rr S l HIORt:QI 2 (.U •Bl. ISEXO i H MORE OU 1, 81)

:= ORAPPCLESS~CAl,.81)rEO~RP•tA1,8l)r LESSIS<R•SJrl,(T:LESS~<A!•Sl>J LESSISI1{LESSINCTJ),.[T:EQ"RP"CA1 .. B1)1 LESSISI2CISr:-t(T))) LESSIS(R,SJ

·- ORAPPC~ESSCR.Sl•ISCR•S>,LESS~QCA!•Bl>• t,tT:lESSC~rSllLESSEIIl<Al,Bl• LESSEX{f)),[T:IS(R.S)llESSEQIEtAl,.BI,. I SEXHUl

:: TH7"L.EC3-CIS(R,SlrMORE<R•SI~LESS(R,S) ,sATZ167B,CU~0R(~OR~(R~S),IS<R•S)oH))

LESSEQt ,u,.au

- 4.5E

Page 61: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

------------

+2R169

•2R159

H2R169

H2!US9

s a [L:I.ESSI SC R• S )l SATZ1670

s ; tN:NOTCMORECR•SJJJ SATZ1HE

s a [N:NOTCLESSCR•S>Jl s ; tN:NaTCLESSC~•Sl)J

SATZ1STF'

S ; CH:HJRE<R•SJl SATZ1&7G

:: TH9•L.EC3"CIS<R•Sl•MORECR•SJ•LESS<R•S) ,. SU Z 1&7Eh U

== THZ•L.ORl•(tS<R~sJ~~ORE<R•SJ,.LESSCR,.Sl .. sATZ167A•N)

:= COM0!\1: IS< R• S J• ~0 RE< fl,. S h THJ•L.O~J•CIS<R•S>~~GRE<R•SJ•LESSt~•Sl rSATZ167.t,.N1l

:: THJ•L.IMP~<LESSISCR,S),.NOT<MORE<R•SJ),. nELI(MCRE(R,Sl .. M},[f:LESS!S<R•S}l

; NOH KO~ ECR~ SU

: LESSISt R.oSl

: MOREISt R,. S l

SA TZ 1S7!HT>) : NOTHES SIS< R .. SU S ; tL:LESS(R,.Sll

SATZ1STH :: THJ•t.IKP•CMOREISCR.s> .. NOiCLESSCR•Sl>• WELI<LESS(RrSl•L>•tT:r.o~ElSCR,SJl SATZlST':nn t NOTCMO:tEISCR,S))

S ; [N:~JTtHDREISCR .. Slll SATZ1S7J :: QqJE3CISCRrS),MDRE(RrSJrLESS(R,S)r

SAiZ1ó7A•THS~L.OR~(KORE(RPStriSCR~S>r NJ,.TH4•L.OR~CHORtCR,SJ,ISCR,Sl,Nll

S a [N:NJT<LESSIS(R,.S))J SATZ1ó7K := OR3EZCIS<R.SJ.MûRECR•SJ~LESSCR.sJ,

R a tP:POUR>l

SATZ1?7ArTH4"l.OR-{LESS<R•Sl•ISCRrSl• NJ,THS•L.OR"ClESS<R•Sl•lS(R,SJrNJ)

U :OIF" ltS: t)ff'l [A IR :I NNU .. Cl.ASS<R J) ltBIO: ï:NN<B• CLASS( 0) J1 Tl :: SATZ0169ACArB•OEX(0;BoBIO,

REFISCREAL .. O)J,PGSEX(APAIR•PlJ T2 ;a MCREIN(RrO,ArB,AIR•BIOrT1J

SATZl69A :a REALAPPZ<R•O•MDRECR•O>•[X:DtFl[Y:DIFl [T:INNCXrCLASS<RllltU:INN!Y,ClASSCOJll rz•.ZR16,w<x,y,r,ul>

M a [A:OIFltB:DIFltAIR:INN(A•CLASSCRJ)ltBIO:INN<a•ClASS<O>>l Tl := SATZ01&9B(A,SrOEX<Op~,BIO,.

REFIS<REAL•O>l•MOREEX<R•O•A•B•AIR•BIO•

LESS(R,. SJ

MORECR,. SJ

: MOREDCA rB) M!JRE<R, 01

M)) POSOCAJ H i:: POS1N(R•.o\•AIR .. T3J : POSCR>

M l SATZ1698 :a REALAPPZtR.O.?OS<Rl,tX:DIFltY:DIFJ [T:tNNCX•CLASS(R))l(U:INNCY .. ClASS<OJ)l T~*.2P.l69~<x.Y,T:,U))

N a tA:Dtfl(B:DIFltAIR:INNCA.ClASS(RJJlCBIO:INNCB,ClASS(O)Jl T5 :: SAT10169t(A~B•O~X(O,s,s!Or

REF"t ${ '?~lil•O )}, NE:GE lC (A ,A Tl?.::''

POSCR)

s

s

s

s

- 4. 5~-s

Page 62: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•2RlS9

+2P.11)

•ZR170

N a SATZ159C :s REALAPPZ<~•O•LESS(R•O>•(XIOlFltY~DlFl CT: I NNU,.CLASS<R} )l r t;: INNU.ClASS(O))) rs·.zR169 .. o:.r .. r .. u, > LESs<R. o>

L; CA:OIFlt8:DIFlCAIR:tNNCA•CtASSfRJlltBIO:!NNCB•CLASSC0))l T7 :s SATZ01690CA.B,OEX<O•B•BIO•

REFI SC ilEAL .. O) l .LESSEX< R •0 ,,,. a .. AIR•BIO. LH

T8 :: NEGINCRrA•AIR.T7)

L a SATZ169D :: REAlAPP2CR.O .. NEG<Rl,.[X:OIFJ[Y:D&fl tT:IN~<X•CLASS(R})J[U:INNtT .. CtASSC~))] rs·.zR169•(x,.y,r,u>)

R a [A:DIFl(B:OIF1tAIR:INNCA.ClASS(RlllCBIO:INNCB•ClASSC0))] Tl := SATZD170(A,.S .. OEXCO•B•BIGrREFISCREAL,.Of

NEGOU) !'4EGC R)

: NtGtR)

)) : MOREQCA BSO( A hB) T2 := MOREISIN<ASSCR),OrABSOCA),.B,.

AICACR•A•AIRhBIO•Tl> : HOREISt ABSCRhOJ

R a SATZ170 := REALAPPZCR.O,.MOREIS<ABSCRl,OJ,[X:OIFl [Y:OIFJ[TtiNN(X~CLASS(Rlll[U:INN<Y•

ClASSCIJ)llT2 ... ZR170'"(X,.Y"T,.Ul) : MOREIS[ ABS<R>.OJ SATZ17~A ·- TH3•t.IMP•tNEG(ABStR>>•LESSCASSCRJ,.Q),.

SATZ1S7C(~BSCRJ,.OrSATZ170J,. [T:NEGtABSCRlllSATZ169CCA8S(Rl~Tll NOTCNE.CABSCR)))

T ; [L:LESSCR .. Sll[K:LESSCS.TJI

s

s

s

s

+2R!71 S

[A:OIFl[B:Oifl{C:OIFJ[AIR:INNCA,.CLASS(Rl)l[BIS:INN(S,CLASSCSl) lCCIT:INN{C,.CLASS(Tlll Tl •- SATZ0171CA;S,.C•LESSEXCR.SrA,.B•AIR•BIS,.

L>rLESSEXCS,r,s .. c,BIS•CIT,~>J LESSOtA .. C) TZ := LESSIN(R,.T,A,.C,AIRrCIT,.Tl> : LESS(R.T>

SATl171 := RE-LAPP3(R,.s,T,.LESS<R;T),(~:OIFJ [Y~OIFJ[ZZOifl[W:INN(X,.CLASSCRl)] [U: I NN<Y,ClASSCS)) J r \' :HltHZ.ClAS S< T> )J TZ".2Rl7l~tx.v .. z,w,u,v'>

TRLESS ·- SATZlTl T a (~:HDRE<R•S>l[N:MORE(SrTJJ

TRKCR[ :: LEHHA2fTrRrTRLESS<T .. S,RrLE"MA1CSrT,N,, LE11HA1(R,s~M )) )

T a [A2tDIFlf92:DIFl[~Z:OtFJ[AZIR1INNCAZ•CLAS3CRJl J[92IS:IN~(SZ,.ClASSCS):J[CZIT:IHMCCZ,ClASSCTJ~l

ltSS(Rr Tl U::SS(R• T)

s

- 4.60-

Page 63: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•ZR17Z

•ZR17Z

t>ZR17J

tt:~ESSIS<R~Sll[K~LESSCS.Tll Tl :: SATZ017ZA<AZ~az,cz,

LESS ISEXEAZ~ BZ•A 2I Rr 82ISrL )r LESSEx<s~r.sz~cz,szrs.czxr.K>>

TZ :: LESSIN<R•T•AZ•C2•AZIR.C2If•Tl>

T a tt:LESSISCR,SJJ(K:LESS<S•T>J SATZ172A := REALAPPltLESSCR•Tl•(X:DtfJ(Y:OIFl

[Z:DIFltU:INNtX•CLASSCR>ll[V:INNCY, CLASSCS))J(W:INNCZ•CLASSCT)J) rz·.z~172"<x.v,z,u,v.w.t.Kll

C2IT a [L:ttSS(R;S)l[KtlESSISCS;T)l Tl := SATZD1728CA2,B2•CZ,.

LESSEXCAz,.gz,AZIR•BZIS•L), LESS!SEX<S•T•32•CZ•BZIS•C2IT•KJ)

T~ := LESSINCR•i,A2,cZ,AZIR,c2IT,T3J

T a CL:LESS(R,S>ltK:tESSISCS .. TJJ SATZl7ZB := REAUPPlCLESS( R• Th [X: !Hf'][ Y :OIFl

[l:DIFJtU:INN<X•CLASStRJ)l(V:INNtY• CLASSCS)Jl[W:INN!ZrCLASSCT))] T4w.zR17Z-cx.y,z.u,v.w.t.K>J

T a tK:MOREIS(R,.SJJ(N:MORE<S•T>J SATZ17ZC := LEMHA2CTrRrS~TZ112BCTrSrRr

lEHHAt(SrTrNJrSAiZ166A(M))) T a (M:HORE(RrSll(N:MOREIS<S•T>l

SATZl72D := lEMMAZCTrR•SATl172A(TrSrR• SATZ168ACSrTrNJolEHMAl(H)J)

C2IT a [L:LESSISCRrS)J[K:LESSIS<SrTJl Tl :: SATZD17lCA2rB2rC2•LESSISEX<A2r82•AZIRr

BZISrLJrLESSISEXCSrTr82rC2rBZISrCZITr I())

TZ := LESSISIN<R.TrA2rCZrA2IR.CZITrT1)

: LESSOU z,.cz) LESS(R,. f)

: LESSCR• n

: LEssonz.czJ : LESS CR,. Tl

: lESS<R• n

: HORECR, T)

: HORE<R• f)

LESSEO( A2,C2J LESS ISC R• T P

s

s

s

s

•2R173 S

T a (L:LESSIS(R,SJJ[K:LESSISCS•TJJ SAT.Z17 3 := REALA?J>3CLESSIS<R,. Th(X:OIFHY :DIFJ

[Z:DIFl[U:INNCXrCLASS(R))J[V:INN(Yr CLASSCSJllCW:INNCZrCLASS(TJ)J rz•. ZR 173 .. {)(,. Y ,z,u., V .w,.L •10 l lESSISt R1 TJ

TRLESSIS := SATZV3 LESSISt R,T) T a (M:HJREISCR,S}l(N:KGREISCS,T>l

TR~D~EIS ·- SATZ1QS8(T,R,TRLESSISCT.SoR• SATZlf>!lA<S•T .. NhSATZlGSAOOH ; HOREISt ft, Tl

R a =!A!Rt := SOME .. L"<Otr, (l(:OIFJANDCIHiHX .. ClA.SS<R)) .RAïDCXl)) . : 'P'R!JP'

s

:- 4.61-

Page 64: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IVR!

R1 ·~ T21

R1 ~ ltATR:..U

AOIR ; (RR:~ATRLCR>J

:e ANQitiNN(AO~CLASS<Rl>~R~TO(AO>•AOIR• lUJ

. . := SOHE ICOtf • CX :D If JArm C I N~H x, CU, SS (R)) •

RATOO()J,AO,T2l•.IVR2'"l.

RR ; tA:OtfltB:ANDCINN<A•CLASS!R)),RATD!A))] T22 := ANOElCIN~(A•CLASSCRll•RATD{A~•BJ T23 :: ANDE2CI~~(A,CLASS(R)J,RATDCAJ,BJ i24 •- EORATD(A,~O.ISEX(R•R~A•AO•T22•AOIR•

REFIS<REAL.RlJ,T23l

ANOC t~ CAO,CLASS(R) );RATOC AOU

RATIH.U)

INNC A•~LASSCRH RATD<At

RATO( AJ J

s

•IVR2 S

HIVRZ

•IVR2

RR ; RATR~EX := SOMEAPPCDIF,[X:OiflANDtiNN(X,CLASS(R)) ,RATO(XJ),RR.RATDCAO),(X:OIFl tT:ANDtiHNCX•CLASSCRJJ•RATD<I))J T24".!VR2'"{X;T)) RATO(A))

R ; IRRATRL := NCHRATRURl> : 'PROP' ; tRO:CUilCRR:RATRPCRO>l

REH-~KZ ta RATRLIN(POfRPCRa),pOOFRP<RO>• INNCLASS<POOFRPCR0))rREMARKZACRO•RR)J : RAT~t(•OFRP<RO))

ltEHHKJ :a RATRLIN( NOfRPUO hNOOfRP (RO h

RO ; tiR:IR?.ATR?(ROJl REMH~4

R ~ NATRl

AOIR a CN:NAT~CA3ll

N 2 T25

AOIR a [N:NATRL(R)l

INNCLASS<NOOfRP<ROJ>~REMARKJA(RO•RRl) : RATRL(~OFRPCROJ)

:a TH3wl.IKP"(RATRLCPnrRP<R0)), RATO<POOfP.PCR0}),R~MARK4ACRO•lR)r (T:RAiRLCPGFRPCROlll~ATRLEXCPOFRPCRO>• POOt RPCR'} h BINCLASSC POOfRP (RO J h T t > : lRRATR:.. <POFRPC ROU

:= TH3ftl.IMP•<RATRLCNOfRPCROl>• RATOCNOOfRP<ROlJ,REMARK5A{R0•IR}• {i:RATRLCNOrRP<ROJ)JqATRLEXCNOFRP<ROJ, NOOfRP(RO>•HiNCLASS<NO!lfRP<RO>>•T)) : IRRAT!t.. (NOFRP<ROJ)

:= SOME•t•COIF, U:OiflANIHINti<X.CLASSfR }) .NATD<X))) 'PROP'

ANDC IN'I CAO, ClASS<R>l,HATDC AO))

:: SOHEifOif~(X:DiflANDCINNCX.ClASS(R)), NATOU>hAO•T2S .... IVRZ*) : NATRLn)

N ; [A:Oif'][S:.\1\0C INNU•CLASS< R})rNATD!A)) l T26 ;: ANi:JEHINNCA .. CLASS<R)h~ATOCA),.B) T27 :s ANOE2<INN<A•CLASS(R)),~AT0(~).B) T28 := EQNATO(A,AO,!SEXCR.R,.A,.AO,.T26 .. aOIR•

REFISCREAL~Rl>•T27J

1 INN<A,!:t.ASS(R)) NA TD (;,)

NATO( AJ)

s

s

s

- 4.62-

Page 65: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

N ; riA T!ti.U == SOHEAPP< D If,. [X: :JtflA ND ( Il'fNtX rCLA SSCR)) rNATD(X));NrNATOCAO>,.[X:OIFJ [T:ANO<INN<X,.CLASS<RJ),.NATDCXl)J rzs•. rvRz•o:, T)) i NATD< Al )

u nu $

AOIR ; ttUNATRI.<R)) TZ9 :: NATPOSO(AO.NATRLEX(N)) POS!)C Al ) f30 :: POSIN(;Z9) POSCID

·IVR! s

R a tN:NATRL<R Jl liATPlS := REALAPPl<POSC~),.{X:OifltT:INN(Xr

ClASSCR>JlT30•.IVRZ~cx.Tr~)) : POS(Rl a UHIAT l

RLOF'IT := RE~lOfCPOOFNH lO) : REAL liATR;.I :: NATRLINCRLD>NT<XJrPOOfNT(XJr

!NNCLASS<FOOFNT<Xl)rNATDI<X)) NATRL<lLOFNTCXJ) (Y:NATJti:Is•N~(XrYJl ISNTERL := ISf(NAT,REAL,.(U:NATlRLOFNT(U)rXrY,.IJ IS OU. Of NT< X l.r RL CFIITC Yl )

y ; [l:ISCRLOFNTCXl;RLOFNT(Y))J ISNTIP.L :: ISNTIRP<X"Y"ISRPIP<RPOFNT<XJ,.RPOFNT(YJ

rl)} : IS•N•U,YJ

+*IVR2 s

a T31 := [X:NAT HY :NA TlrT :ISCRLOF'NHX h RtOFHTCY))JISNTIRL!XrY.TJ INJECTI VE(N AT rREAlr tx: NATl RlOfNT( X))

AOIR a tN:NATRL(R)] T3Z :: NATPOSQ(AO~NATRLEX!N)) : POSDC AJ ) AP :: RPOFPO<AO• T321 : CUT T33 := NATDERP<AG~NATRlEXCNJ) : NATRPU P) X3 ·- ~TOFRPCAP• T3 :n : NAT TH :: ISRPEPD<APrRPOfNTtXOJ~tSRPNT1(APrT33)) : EQ~P"'C PDOfRPUPhPDOfNHXO}) T.J5 := TREQ•RP•tAOrPDOFRP<AP)rPOOF'NT<XOlr

EQPDRP1<A0rT3ZlrT34l : EO"'RP""[ AOrPDOFNTUOJJ T36 == ISINCRrRLOFNTCXOlrAOrPOOFNTCXOJ,.AOIRr

INNCl4SS(P00f~T<XOllrT3Sl IS<RrR. OFNT <X01) T37 :: SOMEICNATrtX:NATJIS(Rr~LOFNTCX)JrXOr

Tló) I IHAGE("J AT rR EAl, [ X:N A Tl RL OF' NT< X hRJ

•IVRZ s

R a (N:NATRL(Rll ~ATI~AGE := REAlAPPl(IMAGE(NAT•REAlrtX:NITl

RlOF'NTCIOr iDr ( lOOIF'J CT: IN.NCXrCLASS(R)) lT37•. IVRZ•( x .. r,. fU J : IMAGE(-. AT rR EAL" CX:tiATJ RL Of' NT<Xl ,.R)

R a [J:IKAGE(NAT,REAl,tX:NATlRLOFNT<XJ•RJJ

+*IVR2 S

•IVR2

IWRW 2 [X:NAfl(J:ISCR.RlOF'NT(X))] T38 :: ISPl<REAl,[U:RtALlNATRI.CUl•RLOFNT(X),

I a IMAGENAT

R.,NA TRLI<XhJ)

::: SOHEAPP( NAT, tiJ: NAT HSCi'!rRLOFNHUU,I • NATP.tCR),.[U:~ATl[V:ISCR,RlOFNT<U)lJ

NATRlCl)

s - 4.63-

Page 66: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IVRZ

HI\'R2

•IVR2

urnz

•IVR2

R a [N:NATRLCR)l NTOFRL :: SOFH!Ui ,REAL• [X:NAT lRLOFN!'a)~

TJt•.IvRz•,R•NAfiMIGEtR,N)) a tRl:REAllCN:NATRL<R11JCSl:REAL][H:~ATRl<S1)1[I:IS<R1,Slll

ISRLENT :: ISINV<NAT•REAL•CXHIHlRLilFNHX)r Tll".IVR2••Rl•N•TIHA&E<R1,NlrSl• NATI:R~E<$1, ~>.I-)

H 2 rt:ts•N•(NTOFRLCR1rN),NTDFRLCS1•M)J] ISRLINT := ISI'~':EO!A.T .• REAL.~X:N~TJqLOFtH(X),.

R a [N:NATRL(R11 ISRLNT 1

ISRL'tT2

a [X:NAT 1

TH

x a ISNUL1

Tll".IVR2"•Rl•NATIHAGEfRl•~>•S1• NATlHAGE<Sl,M)rll

:= ISTSl"E"<NATrREAL,rX:~ATlRLOFNTCX), T3t•.IVR2·•~•NATIHAGE<R•Nll

:: SY~IS(REALrRrRLOFNT{UTOFRL<RrN)),. ISRLNTll

:: SOfTCNATrREALrCU:NATlRLOFNT(U>rT31r RLOF'~H X h I~AGEI<N~ T" REAL• CU: NAT l RLOF'NTCUh X))

:a ISINVCNATrRE~lr(U:NATlRLOF'NT(U> ... T31r RLOfNTCXl,IHAGEI<NAT,REALr[U:NATJ RLOFNTCUJrXJrRLOfNTCX), NATIHAGE(RLOFNT<X),NATRLI<XJ), REFISCREAL•RLOFNTCX)ll

·- TRISCNAT,X,XN•.IYRZ",NTOF'RLCRLOFNTCX), NATRLI<X>>,.ISSTltNATrREAL~[U:NATl

NAT

IS .. N•(-. TOFRL<Rlr Nh NTQfRU Sh M))

: ISCRt.S U

NAT

: IS""H .. (l( fbNTllf'Rl(RLOfNT<XJ,. NATRLI<X> >)

RLOF'NHUh TH ... IVRz•, u, T39•. IVRZ•) : IS .. N'•(l( rNTOfRLCRLOfNTC X)r!U TRLI<Xl)) ISNTRL2 := SYHI~CNATrX,NTOFRLCRLOfNTCX),NATRLICXJ

), ISNTRLU IS .. N•n TOfRURLOfNHXJ ,NAT RL IC X> hX> R a INTRL := SOME•t•(Dlfr[X:OifJANO(INN<X•CLASS<R>>

.INTDCX))J 'PROP' AOIR a [I :INTOCA3 )]

I a TttO

I a

UIR a

INTRLIN

U :INTRUR)]

:= SOMt HDIF' • tx :0 IF'lAf:O U NNtx,CLASS(R J> • !NTO<X}),.AO,T~O·.IVR2•>

I ; tA:Difl[B:ANDCINN(A~CLASSCR>JriNTO(Al>l T~l :: ANOElti~N<A•ClASS(Rl)•INTO(~)~B} flt2 := ANOE 2< HiNU, ClASS(R) h ISTD {Ah S> T43 := tOINTQ(ArAO•ISEX<R•R#A•AO.T4l•AOIRr

REFI 5{ RE AL• R)). !lt2 >

I Cl INTILEX :: SOMEAPPCOtF~Cr:OIFJAND(IN~<X·CLASS{R)}

ANOC IN'f <AOrCLASS(R)), INTOC AO))

I NUL(~)

: INNC A.:ussoru INTOC.O

: INTO(Al >

s

s

$

$

s

-4.64·

$

Page 67: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

·I~TOCX)),I•I~TO<AOJ.tX:Difl CT:~ND(INNCXrCLASSCRJJriNTOCXJ>l 1'43'". IVRZ,.<.X .. rn INTOC Al>

+•lV'f2 $

AOIR " [N:NAULCR )J TU . . := NATINTO(AO,NATRLEX(N)) : INTOCA:J ) HS.· == INTRLINCTH) INTRL(~)

•IVRZ I R a [NHfATRL<R )1

~Ar !HUL := REALAPPlCINTRL(R},(X:Oirl[T:INN(X, CLÜSC lH) l T45 ... IVRZ,.<XrT ,N)) INTRlU l

••IV~Z s

AOIR a CP:POS(Rllti:INTRL<Rll Tr.& :·= PDSI~TNATDCAO,PDSEX<PJ,INTRLEX<Il) NATO( Al) 147 := NATRUNCT4&l : NATRLO)

•IVRZ s

R ; tP:POSU>J [l:INTRL<Rll POSINTHATRL == REALAPPl(NATRL(R),(X:OIFJ[T:INNCX•

CLASSCR>JlT47•.IVRz•cx,r,p,JJJ NATRLU)

UIVRZ $

A OIR a tiZ:ISCR .. O)] rr.a ·- INTDIOUO .. OE X<I2H INTOC A)) ·-149 ::: INTRLINU46l INTRLU l

-n~z s

R a UliS<R,.OJ l INTRUO :: REALAPPl(INTRL(R)r[X:aifl[T:INNCXr

CLASStRJJJT49 ... IVRZ•cx,T.I>> : INTRLU) RO a [N:NATRPCRO)J

REHAU6 := INTRLIN( POrRPC RO>,. PO OFRPC RO h INNCLA SS CPDOFRPCRO) J,.REHARK6•RP .. (RO,.N > ) ': I NTRL CP OF"RP ( RO > )

REHARK7 := INIRLI NC NOf"f! PC RO ),. NDOFRP( RO )r INNCLASS!NOOFRPCROJ>.REMARKT•RP*CROrN) ) ~ JNTRL(H OF"RP<RO)}

t>ZR114 $

A OIR :1 [I:INTRUR)J Tl := SATZD174CAO.INTRLEXtil) RATO( A))

rz :: .RATP.li'4CTU RAfRLH)

•2RH4 $

R ~ CI:INTRlCR)l SATZ174 :: REALAPP1(RATRL<R>,tX:CifJ[T:INNCX•

CL~SSIR)llT2•.zR174w(X,T,JJ) RATRLC:t > - 4~65-~ I'L:JSDR ·- (X:Difl[T:OIF"JREALDFCP~<X•YJ) tX:Difl [Y:DIFlREAl

+IV!U $

[A:OtFl(B:Difl[C:OIFJ(DIQ!FJ[E:EQ•RP•CA,.9JltF:[Q•RP•<c.DJ1

Page 68: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

---~----- .----;;;; 1~1~,n~R~Ur,rV\ft#~ll~n~A~~r~~U\D,UI#,

PD<A•C>•PDIB•Dl•I,NClASS<POCA,Cll• !NNCLASSCPD(B,O>l•EiPOlZCArB•C•D•E•F)J : IS<<C.><. A>Pli.'SOR .. <C><B>PLUSOR>

•IVR3 s Fl'lUSOR := tX:Oifl[Y:OIFltZ:OIFltV:OI~ltT:<Y><X>

EQlCU:<V><Z>EOlft•.Iw~J•tK.v.z.v.r.uJ : FIXFZHEAL,.PLUSDR> s a ,L :a INDREAL2CREAL•PLUSJR,FPLUSDR•R•Sl REAL

u nu s

SliS ;, rz == ISlNOREAL2CREAL,PLUSOR,.FPLUSDR•R•S•A1• Bl1>A liR• BUS> ISCREA.. OFCPD< At.BU hl'l<R• Sl)

·I.'IIU s

SliS 2 P!CP == ISP<REAL,(X:REALliNNCP~CAl,Bl>• CLASS(X>>•REAtOf(PO<Al•BlJl,Pl(R,S>, INNCLASS<PDCA1,811)rTZ•.tYR3•J : INN<PD[Al•Bl>•CLASSCPLCR•S>>>

T a [I:IsCR.S)] ISPLl := ISf(REAL•REAL.(X:F.[ALlPL(X,T>•R•S•I> : ISCPL n, T ),. PLCS• Tl> ISPLZ :: ISF(REAL,REAl,[X:REALlPLCT,Xl•R•S•I> ISCPLH .. RlrPL<T.Stl

u a ti:ISCR.SJltJ:ISCT .. U)l IS?LlZ :: TRISCREAL,?L<R,f)pPl(S,TJ.PLCS.U),

ISPL1(ll•ISPL2CTrU•S•J)) Is<nn .r >•PL<s .. un

•3R175 s

!JUS a Tl := SATZ0175<A1.o Bl) :: EQ•RP•t PO <A 1• Bl) .PDCBl .. AU > TZ := JSIN<Pl(R•S>•PL<S•R>•P3<A1•81l•

PD<BJ,Al),P[CP.PICP{S,R .. 81•Al,.B1IS, A1IR>,T1> : ISCPL(~•S),PL(S,Rl)

.•3!U75 s

s a SATZ175 == REALAPP2tiSCPL<R•S>,Pl(S,.R)J,[X:OIFl [Y:OIFJCT:IMNCX•CLASS<RJlJCU:INN<Y• ClASSCSlJlTZ•.JR175•(x,y,r,U)) : IS<Ptn •SlrPt<S .. R)}

CDMP:. :: SATZ175 : ISCPL<l JOS >•PLCS .. R})

HIVR3 s

9US a U:ISCR .. OJl T3 == PDOl(Al•Bl•OEX<R•Al•AliR•I>l : EO~P"'t PO (A 1•81 hBl) n == ISINCPL<R•SJ,S,PD<AI,Bl>•Sl,PICP.oBliSr

T3) IS<PU~•S),Sl

-IVR3 s

s 41 U:ISCR,.OJJ !"LOl == REALAPPZCIS(Pl(R,Sl•S~,.(X:OIFJtY:DIFl tT:INN(X,CLASS<Rl>J(U:INMCY,CtASS<S)>l

ï4-.IvRlwcx.r.r.u.Il} lS(Pl,.U,.ShS) s 2 n :zscs.u 1

PL02 ·- TRIS<REAL.PL{~,sl,Pl{S,.RJ.R,COMPL, PLOHs,.~~I>J : I SCPU~ "S h R >

HIVU -4.66

BUS 2 [P:POSfR)J[Q:POSCS)J T5 ::: PP0(A1•8l•POSEXCR•Al*A1IR•P>•

POSE)((S,Bl•SliS,q)) POSOCPJ U1, Sl H

Page 69: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IVR3

S ~ tP:PDS(ftJl(Q:POSCS)l POSPL :: REAtAPPZC?OS<Pl(R;S})r[X:CifltY:Oifl

[T:INNCX .. CLASSrR>>JCU:INNCY,CLASS<SJJ1

POS( PU R .. SJ)

TG'!'. IV.fU•(x,y,r"u,p,..Q)) POSCPU R•S>)

s

••IVRl . S

BliS a t~:NEGCR>ltO:NtGtS)l TT := NPO<Al•Bl.PNEGEX<R•A1•A1IR•N),

NE (iEl~ s, 61•8 liS~ 0)) NEGD< P!J <Al .. 81}) TS := NEGIN<PL<R•Sl#?0(;\l•BU.rPICP•T7J NEGCPU RrSJ l

•IVR3 S

S a tN:NEG(RJl(O:NEGtS>l NEGPL := REALAPP2CNEGCPl(R,S1J,(X:DIFl[Y:DIF1

tT:INNCX.rCLASSCR>Jl(U:INN(Y,CtASS(S))] TB". I'IR3 .. ( x, Y r.T, u, N, Ol) NEG( PU R• S))

:il ~:>OR := U:O!FlREALOF< M~O<X> > rx:DIF'J REAL

a (A:DtFJ(B:OifltE:Eo•ftp•(A,Sll TSA := ISIN<REALOF<MOD(A)),REAL0f(M00(8)),

MODCA),MOOCBl•l~NCLASSCMOOCA))• !NNCLASSUiO!HBH •EOKO!H A~ B•E)) : lSC<A>'t ODR" <B>HODR)

•IVR3 s

a f'!tOD~ :z (X:OIFJ(Y:DtrJ[T:<Y><X>EQl T5A".IVR3~<X•Y•T> : fiXF'C R! AbHODR)

R a HO := INOREALCREAL .. HOORrFMOORrRJ REAL

+-IU3 s

AOIR a TU :: ISINDREALCREAL•KODR•FHOORrR"AO.AOIR) : IS<REAi.. Of'(MOOUO > h MO( RH

•IYR! s

AOIR ; MICM) == ISP<REAlrtXiREAlli~N(MODCAO>,CLASSCX)) •REALOtC~DOCAO>J•~OCRl• INNCLASSCMD~CAO>>.TGA•.IVR3") : INNCMO~tAO),CLASSCHO<RlJ)

s a U:ISU•S>l ISKO ::: ISFCREAL•REAtr[X:REAllKO(XJrRrS•I> ISHIO!R >..KO ($))

HIYR3 s

AOIR a [N:NEGtRJl T7A == ABSNO<AO,.NEGEX<N>J : EQ•R.P .. ! ABSO CAO)" MOOUO)) T8A ·- ISJN(A8SCR>•KOCR>•ABSO(A0lrKOOCAO>•

AICA .. !1ICMO• TH> : ISCABS( RhKO(R))

•IVR3 s

R a (N:.N[GCRJJ ABSN == REALAPPl<IS(ASSCR),~OtRJ)•[X:OIFJ

(T:INNCXrCLASS<R>)JT6A•.IVR3•CXrf•N)) : ISCABSC R)rMO<RH

- 4.67-

Page 70: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

HIVB s

AOIR :1 CNN:NOICNEGCR>ll T9 ,:: ABSNNDCAO,THJ•L.IMP"<NEGOCAO),NEGCR),

NN• ( t: NEGO CA 0) 1 NEG IN CT))> : EO•RPW( ABSO(AO),AO) HO := ISIN(A8SCR>•RrABSOCAOl,AO•AICA~~ÓIR'

T9) ISUBSl RJ,,R 1

•IVR3 s

R a [NN:'IOHNEG<R>>l ABSNN ::= RE~LAPPl(IS<ABSCR),RJ,[X:Oifl(T:INNCX.

CLASS(RJllT10•.IVR3•(X,T .. N~)) IS CABS( RhR) R a [P;POS(R})

ABS!" ·- ABSNN(RrP~OTN(P.rPJJ ISCABSC Rl~>R> R ; ti:ISCR,O)]

ABSO == TR!SCREAL•ABS(R)•R•O, ASSNN<R,CNOTNCRriJ),I} I SC ABS[ Rl~>O l

•3P.17& s

AOIR :1 (P:P:JS(R)l T1 := SATZ0176ACAQ,POS~X{Pll : NEGOt KJ OUO)) rz == NEGIKCHD(RJ.HOOCAOJ,HICHO,fl) NEG( MOt R))

•3R17& s

R a CP:PIJS(R)] SATZ176A := REAtAPPlCNEGCKO(R)l,tX:DIFl(T:INNCX•

CLASSCR>>1T2•.3Rl75w(X,T,p)) : NEGtffQ[ RU

H3Rl7S s

AOIR ; n:zsu .. oJ l T3 == SATZD17GBCAO,OEXCI)) ZEROOO D<AO U H := OINCKOCR>,HODCAOl .. MICMO,T3J : ISOtOn ),0)

•3R11& s

R a U:IS<R,.Ol l SATZ176B :: REALAPPlCIS<MOCRlrO>•[X~DitlCT:INN(X,.

CLASSCRlllT4".3R17&•cx,T,I)) ISOIO(R hOJ

h31!176 $

AOIR il tn:H!!GCRll T5 :: SATZD176C(AO,NEGEXtN>> POSD ( !Q OUO)) T& := POSINtK0(R)rHOOCAOl .. MICHO,T5) POSCMOCR1)

•3R176 s

R a UC:NEGCR)] SATZ176C := REALAPPltPOStMCCR)),[K:Oifl[T:INNCXr

CtASSfRJ)lT&•.3Rl76•Cx,r,NJ} POSUOt lU)

+tt3R17S s

AOIP. il [N:NEGCMOCR))l - 4.68-TT == SATZ0175!H AO rNEGl:':X ( MOC r:t) • MOO ( AO),

MICKO,N)) : POSDUY > ra ::: POSI NCT7J POS(RJ

Page 71: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•3R176

R a [N:NtGCHOCR))} SATZl7&0 :a RE~lAPPH POS C Rl • rx: Dlf" J( T: INN(lC,.

CLASS(Rl>Jta•.JR17&•cx~r~N)J POSU >

H3R17So $

AOIR a [I: ISOiOCR J.. 0) 1 T9 := SATZ0176E<AO•OEX<HO(RJ,MOO<AO)~HICMO•

IU ZERO< Al J T10 := OHI( T9l I SCR, O>

-3R17; $

R ; I:I :ISC"OCR h!Hl SATZ17&E =· REALAP~l<IS<R,()),[X:OIFlCT:tNN<X• CLASSC!D llT10".3R176•0CrT ri) l IS<R.oOt

U3R17ó $

AOIR a [p :POS (HO< Rl) 1 Tll := SATZOl76tCAOrPOSEX<MO<R1~"00(AOJ,.

HICt!OrP)) : NEGOC A)) ra ·- NEGUHT11l : NEGCRJ

"'3R176 s

R a [P:P!JSOtOCRU l SATZ17&f ·- REAlAPPltNEG<R>•tX:OtFJCT:tNN(Xr

Cl4SS( Rl)} T12,. .3R176,.U:,. T ,.p J) . NEG< R > . •3R1T7 s

AOIR "' T1 := ISIN<MO<MO(R)),.ft,.MOO{HODCAO)),.AO• • MICMOCMO<Rl,.MOOiAO>,HICHO),AOIR• SATZ0177CAO» ISCMOCII OCR) ),R}

•3P.177 s

R a SATZ177 := REAlAPPl<ISCHOCMO(RJ>rR>~cx:OIF! (T: IP~.,(X rCtA SS< RH Hl'" .3Rt77•(X,. J)) t I S<MO C"' OCR J hR>

SATUT7A == SYHIS<REAlrMOtHOCRJ>,RrSATZ177J : I Sn" Hl CMO<R)) J s ; U:IS(R,HOCSHl

SATZ117B := TRISfREAL,.HO(R)rMOCHOCSl),.S• ISXO(R,.~O(S)rl),SATZ177(Sll IS<NOH hSl

SATZ177C := SYMISCREAl .. HO(RlrSrSATZl778) 'ISCS .. IO(R)) s a U: ISOt!HR ),.$) l

SATZ177D :: SATZ177CCSrF,.SrHISCREAL,MO(RJ•S"IJ) : IS<R" M) CS)) SATZ177E ::: SYMIS{REALrR,HOtSlrSATZ1770) ISCKOCS hR>

•3P.178 s

AOIR a Tl := !SIN<ASSCHOCR>l,.AB$(Rl,ABS0(MODCA0l)r ABSD<A~),.AICA<MOCR>rMOO<AO>~MICHO),. AICArSATZ0178(A0ll : IS CAB St MOCR l hABSCR))

•H178 s - 4.69 "-

R a SATZ178 := REALAPP1CISCABS<MO(RJ).A95(R)J,.[X:OIF1 rT: I NN(X rClASSCR)) JT 1". S!U 78" ( !{r f)) ISU.BSl ~O(R lhASSCRl>

SATZ171U :: SYHISfREAt•ABS<HCC~JJ.ABSCR),SATZ178) IS Cl\ SS[ R) • A BSC t!i} Cf:l })

Page 72: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•3R119 s

AOIR a n ·- OINCPlCRrMOtR>JrPO<AO~M00(A0J)r PICPCR.XOCR)rAOrM00(A0JrAOIR•MlCM0)r SATZû119<A1)) : ISCPLU ,.HOC R})rOl

•3R179 s

SATZ179 ::: REALAPPi<IS<PLCRrMO{Rl)•O>•EX:Difl (T: I?:~u.c LA SSCR)) H 1•. 3R179"{ Xr T)) : IS<PLC~ rHOCRlhOl

SATZ119A := TRIS{~EAL• 0LC~O(Rl•RlrPl(RrMOCRJlrOr

CO~Pl(~0CRlrRlrSATZ179) : IS<PLC~OCRlrR)r0)

+5R18:l s

BUS ;J Tl :a ISIN(MOCPl<R~SllrPL(MOCR>,HOCS))r MODCPO<Al•Bl>J•PD<MODCAllrMOOCBlllr MICH,{PL(RrSlrPDCAlr81JrPICPlr PICP(~OCRlr~OCSlrM00<41lr~OO<Bl>• KICMO(RrA1rA1IR>,MICMGCS,.Slr91IS))r SAiZOl31CAlr8lJ> ISCMOC,lCRrSllrPLCHO(RlrHl{S)))

-3RU3 s

S a SATZ18~ == REALAPPZ<IS<KOCPL<RrSJ>rPlCHOCR>~MOCS) )),[X:OifltY:3!fltT:IHN(X~CLASS(R)JJ

[U: UINCY,.CLASSCS )} JT 1•.3R180,.( Xr Yr T" U) ) : ISCMOC,lCRrS)l•PlCMOCRlrMOCSJ))

SATZ18!)A := SYMIS<P.EAL,KOCPLCRrSJJrPLCKOCRlrHOCS)) ,.sATZ180) : ISCPLC~OfR),.MOCSJJ,~O(PlCt,Sl))

!!H ::: PLCR~HO(Sl) : RE Al B1IS a HICMN := PICPCR.KOCSJ,AlrMODCB1l•A1IRr

KICHO(SrBl•BliSll INN\KO[ Al,Bl>rCLASSCHNCRrSU) T a U:ISUr$)]

ISHNl :: ISPllCRrS~~OCTlrll : ISCHNt~rTlrH~(SrT>>

IS!1N2 := ISPLZCMO<RlrHOCS},T"ISMO<RrSt~lJ) : ISCHMCf ,RJ.M?é(T.•SH u a Ct:IiC~•Sll(J:tSCTrUll

ISHN12 == ISPL12CR•SrMCCTlrHOCU)rlriSMOCTrUrJJ) ISUtNn "r ,, MNcs .. uu s a SATZ181 :: TR3lSCREAl,'-OCHHtRrSllrPLCHOCRl"

HOCHO,SillrPLCMOCRlrSJ,~NCSrR), SATZ130(Rr~O!S11riSPLZ<~OCK0(S))rSr MOtRlrSATZ!77CSll•CDHFL(H0CRJ•S>l ISCMOC~N(RrSI>•HNCS .. R})

SATZ181A := SYHIStREALrHO(MN(S,RJJ,MN<RrS), SATZ13U:S,i'D l ISO!Nt~ rSh MO<HNCSrR)))

•3R18Z

SliS :a [P:POS(HNCR,S)Jl Tl := SATZ0132A<AlrBl•POSEXCHN(RrS)r

HDCA1r81)•HlCMN•P)) MORE OU 1•81 1 rz == MORE IH<T H KORECR• Sl

•3!U82 $

CP:POSC MNC R.r S> >J SATZ182A := REAlAPPZ<MORE(R,Slr~X:OiflCY:Oitl

(T:!NN(X,CLASS<Rl~J[U:INN(YrCLASS<S>Jl - 4. 70-T2".3R182•(X•1•TrU.PJ} MORE CR• S>

h3R18Z s

Page 73: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

iUl:i 11 {l:l5{"NIH•5JrQJJ Tl := SATZ018ZBCAlrB1rOEXCHNCRrSlrMOCAlr81 )r

HIC'IN• Il l : EQ•;u••t A1,.BU H == ISHHT3l lS<R.oS)

~3Rl6Z s

s a ti~ISCHN(RrSlrO>l SATZ1828 := REALAPPZCJS<RrS)r(X:DIFlCY:OIFJ

CT:IN~CXrClASSCR))][U:INN<YrCLASSCS))J

T4-.3~1BZ"CXrTrT•Uri1) : IS(IhSl

H3Rl:S2 s

B1IS a [N:NEGtMN(RrSl)J T5 := SATZ0132C(Alr31r~EGEXCMNCRrSJr

HD<AlrBllrMICMNrNJ) LESSOU l.oBl) T6 == LESS!IHTS> : LESHR• Sl

~3R1SZ s

s a tN:NEGUIHC R,.S) )J

SATZUZC :: RE4LAPPZCLESSCRrS)r[X:OIFltY:DIFl tT:IN~CXrCLASS(R))J[U:INN(YrClASSCSJJl T6•.3R182"CXrYrTrUrNJJ : LESS<Rr $)

H3Rl8Z s

sus a tM:M\IRECRr Sll T7 ·- SATZD162,tA1rBlrMOREEXCMJl : POS!)( 10 Cu,. Bl U T8 ·- POSIN(MN(RrSlrMDCAlrB1JrKICHNrT7J : POSUtN[ Rr S))

•3R18Z

s a Ot:H:JRE<R .. SJ l SATZ18l0 == RE,lAP?2<POSCHN(R,S)l~[X:O!Fl[Y:Difl

(T: UHHX,ClASS<R)) HU: IN!HY.CLASS< SJ )l re•.3Rtsz•cx.Y,r.u .. KJ> POSOfNtR,.SJJ

*-3R182 s

sus ::1 CI: ISCR• SJ l T9 := SATZC18ZE<Al.B1.ISEX<IJJ ZERlH Kl Ut,. BU) TlO =· 0 IN< MN{ lbSh 1!0 CA 1r Sl ), MI CI'!N• T9) : ISOtNH •Sl-OJ

•3R13Z $

s a U:tS<R.oS)l SATZ162E := REALAPPZ(ISCMN(R,S)rD)r(X:Oifl[Y:OIFl

tT:INN<X•CLASSCR>Jl[U:IN~CYrCLASS(Sl>J rto·.3~taz~<x .. v .. r .. u .. IJJ ISOINU rShOJ

+tr3R1 SZ s

BUS a ct:ussu .. s> 1 TU := SATZD182F(Al•Bl.olESSEX<LJ) NEGIH MJ C Al• 81)) - 4. 71-TlZ ·- NEGIN(KNCR•Sl•MD<Al•Bl),MICMN .. TllJ : NEGOt~:t R. SJ )

•3R182 $

s a CL:LESS<R .. S)] SATZ182F == RE~LAPP2CNEG(MN!R.oS)).o(X:Oifl[Y:Oif1

Page 74: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

Ll:l~N\X•~LA~~'HJJJlU:1NN\T•~L~~3\~JJJ

rtz•.JRtaz~<x.r.r.u.t)J NEG(!i:NrR,.S))

+3~183

SliS ; UH HORt CH,. SJ l Tl := SATZ0183ACA1•Bl,KOREEI(M)) LESSDC~OOCA1),.M00<81J) TZ ::: LESStNCMO(R)•MOCSJ.~O~CA1>•MOOtetJ,.

HfCHOrs,;.i.,A1IfO,MICI10(S,B1•BliS ),Tl) LESSO!) CRJ, MOCSJ>

•3R183

s a [H:MORE<R• SJ J SATZ133A :: q[ALAPPZ<LESStHO{R>•~'<S>>•C~:Oifl

[T:OIF:tT:INNCX,CLASSCR)))[U:INNCY, CLASS{SJJ1TZ~.3Rl83~c~,y,r,u,HJ) : LESSCM)(Rl,.MOCS))

s a CI:ISCR•Sl) SATZ183B := ISMlHR•S•IJ ISOIOC:t );M0(S))

+*3R1JJ3

•3P.183

SliS a [L:LESS(R,. S>l n :: SArZel83CCA1rBl•LESSEX<L>J MOREOCiODCAl);MODtBl)) rr. ::: HQRE~NCKO{R),HO<Sl,H0v(Al>•HOD<81),

MICMO<R,Al,AliRl•MICHO<S•Blr81ISJ,T3J KORE04J (R), KOCS))

s a [t:lESSCR• Sl J SATZ183C := REAlAPP2tMORECH0(Rl,~O(Sllr[X:OIF1

(Y:DifltT:INN<XrClASS(RlJl[U:INNCY, CLASS<SlllT4~.3R153"<X•Y•T•Url)J : MQR[(M3 {Rh MO(S))

S ; tl :LESS< M3CR h M:H S Hl SATZla3D ·- ISM3RE1Z(MOCKOCRll,~rM0(H0(S)),S,

SATZ1??<Rl•SATZ177(S},SAT1183CCH0(R)r XO<s> .. UJ : KORECR. SJ

S 3 ti:IS<MO(Rl.HD(SJll SATZ183E := TR3IS(REAL•R•MO<HOCRllrMOCMOCS)),.Sr

S a [M:KDRE010(Rhi'!(HSHl

SATZ177A(R),.!SM0(HOCR)rMOCSlrllr SHZ177( Sl J

SATZ183F := ISLESS12CKOCMOCRJJrRrH0(H0(S)},.S• SATZ177CRi,SATZ17T(S},SATZl83A<HO(R),

IS(fh SJ

KO<Sl•HlJ : LESSCRrS)

T s R

AOIR

ia PROPt a PRO?Z a PROP3 i [A:OIF1(B:Olf]

PROPlD

:= AN03(P3SCSJrPOSCTlriS<RrHN(S~Tl)) := SDME([X:REALJPROPlCX)) ·- SOHE((X:REALjPROPl<X)'

:: A ~03 ( POSO <Ah POSIHS hEO"F.P .. U(h MQU,. B > )}

PROPZD :: SOKE"L«(QJF,[X:DIFlPROPlDCXJ) (PZ:PROP2D(A)l[B:OifJtP1:PROPlQ(A,SJJ fl := AN03Elt?OSO<Al,POSO(Bl•

TZ EQ•Rp•(AO•MD(A,.BJJ•Pl)

:= ~S03E2(PCSO<A)...POS!)(6.J? tQ•Rp•(A0rHO(A,BJ~,P1}

:= AND3E3(POSOCA),P~Sr<e:, EQ~~P~CAO•~D~ArO)J,fll

: = 1\f.:iiUlf'< A}

: 'PR:3P 1

'PROP' 'PROP•

tpp,!Jp. 'PROP'

POSi)( Si

:: EO .. I1?'"t AO.MJCA,.BJ> PC: . .\l

s

s

$

s

- 4. 72-

Page 75: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-----~II"T"""!!"'"tn:l""""-------"l:iaa RtÁ;LOfCB J Pi :ti #tB

•3RU5

•3Rl85

+31:!186

r4 T5 T6

T7

T8 PZ :1 T9

rtO AOIR :1 TU

::: INNCLASS!A) : = I NNC !..A SS 0~ ) :: tSfN(ft,HNCRA~RB>,AO~MD(A•BlrAOI~•

HICK~{RAr~3.Ar8rT4~T5)rT3~ :: AN03 H PC$( 't~ J.POS{ R8 ), IS C Rr MN (RA •R9 > ),

POS!NCRArArT4rTl>rPOSlN<RBr8rT5rT2)r Tó>

:: SOKEICREALr[X:REALlPROP1CRArXJrRB~T7J :: SO~EAPPCD[F,[X:DiflPRO?lO<I~X>~PZr

PROP2(RAJr[X:Difl[i:PROP1D<ArX>lT8CXr f))

:a SCHE !C REAL• [X :REAl.lPROP2 CX hR ArT 9) :: SO"EI~P<DiFr[X:OIFlPROP2~CX)r

SATZ0184<AO}rPROP3r[X:Oifl(T:PROPZO<XJ lTlO(X,.f)}

:: REALAPP1<PROP3~.3R184"r[X:OIFl {~:IHNCX•CLASSCRJJlT11w.3R184•(XrTl)

U ; fA3:Difl[B3:0IflCC3:0IFlC03:DIFJ[A3IR:INNCAlrCLASS(Rl) H93IS: IN~HUrClASS<S)} ltC3 IT: INN( C3rCLASSCTl) l(03IUliNNC03,CtASSCU>Jl

T1 i2

U ; SATZ185

C2IT :1 T1 TZ

T :1 SATZ16&

== SATZ 01&50 3r S3 .. C ],.{)3)

:= ISIN<Pl(MN(R,S)•MNCT.UJ),MN(Pl<R•T>• Pl<SrU)J,PDtMOCA3 .. B3l,.HDCC3,03JJr MOCPDCA3•C3J,POt83•0l)J,piCPCKN<R•S>• M'N(T, Uh KlHA 3, 83 ).r HO<C 3rD 3 )p

MIC~~(R,.SrA3rB3•A3IR .. S3ISJ, KICKNrr,u,c3 .. D3rC3IT,03IU>>• MICHN<PL(R,T>•PL<S•U>•POCA3.C3>• POC83,0]J,PICPCRrTrA3,C3.A3IR.C3IT), PICP<S•U•S3•03r93IS•03IU>l•Tll

== REALAPP4<ISCPlCHN(R•S>,HNCT,U>>• HN(PlCR,TJrPL<S•U))},[X:Difl[Y:OIFl {Z:OifJ[V:DIFJ[XI:INN(XrCLASS<R>>l (Yl:IN~CY•CLASS<S)JJ[ZI:INN<z,ctASS<TJ ))[Vt:INNCVrCLASS{UJ)Jf2«.!Rl85"(XrYr ZrVrXIrYirzi,VIJ>

:= SATZ0186<A2,B2rCZ1 := ISIN(~LCPLCRrS>rTJ•PL(RrPL(SrT)),.

POCPOCAZrBZlrC2)•PO(AZrPD<B2rC2>>• PICP(Pl(R,SlrTrPOCAZ,.B2l.C2r PICPCR•S•AZ,.BZrAZIR•BZTSl•CZ!T), PI:P(R,PL(S,T)vA2r?O<B2rCZ),AZIRr PI~P(s,r.az,.cz,azzs,czttl),TlJ

:: REALA?P3<IStPLCPl(RoSlrT),pL(R,Pt(Srf) JJr[X:OIFlCY:OIFJ[Z:O!FlEU:~~N(Ir

REA I. INNC A,.C tASSCRU > INN< B•ClASSCRIH)

PROP1UA .. R8> : PROPZHA)

: PROi"ZU Al PROI"3

PROP3

: SOKEC(C :REAlJSOMECtY:REALlAND3CPOS<XJrPCSCYJ, ISC:trMII tX•Y )})J)

: EC:""RP"t POtHOC Ah 83) •HD<C3. 03) J.MO(POU3,C3hP0(83•03)})

ISCPL(~N<R•S),MN<T•U>J•MNCPL<R•Tl,Pl<S•UJ)J

: IS<PL(,H(R•S>,HN(T,U))rMHCPLCR•TlrPL(S,U>>J

s

s

s

$

- 4. 73...;

s

Page 76: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•3R187

•3R188

•3R138

ASSPU ASSPLZ

S ; PLH~

HNPL

SATZ167A

~L~~~'~I·IJLV~·RN'l'~L~~~\~IJJL"i'R~\L,

CLASS(J)>JJZ•.3Rl16•(XoYoZ~u,v,w>~ := SATZ::.~s := SY.l'I S< REAL• PU PUR• S h T hPL<RrPL CSo TH

rSATll8ól :: TRIS<~EALrPL<HN(RrSlrSloPLCRrPLtHOCSJ•

S>1rR.ASSPLlfRrMO(SlrSJo PL02(RrPL(MOCS>•Sl•SATZ179ACSJJ)

:= JRIS<R~Al,MNCPL(R,S)rSl• PLCR.PLCSrMO<S>ll•R•ASSPLlCRoS,HOCS>>• PLOZ<?.,PL(S,~O(S)lrSATZ179<Sl)J

:= TRIS<REAlrPL(S,MNCRrS))oPL(MN(RrSlrSJ• ~.c:~PL(So~NCR.Sl>•PLMNl

SATZ167B := SO~EI<P.EhlotX:~EAlliS<PL!SoXJ,p), ~NCRrSlrSAlZ187AJ

[X:REALltiiiSCPLCSrXlrRll SATZ187C := TRIS<~EALoHNtRrSJrKNCPLCX.SlrSlrXo

SA TZ1810 X ; ti:ISCPLtX,.S),R)J

SATZ187E

SATZ187F

IS"Nl(R,PL<XoSlrSoTRISl<REALoR,PlCXoS) oPLCS.Xl•I•COMPL(SrXll}rMNPL(XoS))

:= SYMISCREAL.MNCRoSloX•SATZ167C)

:= SATZ!37CtTRIS<REAlrPLCS.X),PLCX.S)oRo CCMPUS~:O•I H

:= SYMISCREAL,MN(RoS)•X•SATZ167EJ

S ~ [K:REALltY:REALlti:tS(Pl(S•XJrRJJ[J:ISCPL<S•Y,,RJJ Tl := TRIS1CREAL•X•YrMNCR.SJ.SATZ187C(X,Il•

SATZ187CH•J)) S ~ TZ := (X:REAlltY:REAlltT:ISCPL<S•X).RJl

S ; SATZ187

[U:IS(PL(S,YJ•RllTl<X•YrT•U>

:= OMri<REAl•[X:REAlliS<PL(S,.X),R)• rz•.JR1&7••SATZ187BJ

CZIT a tM:MORE(PLCR.TJrPLCS.T))l Tl := SATZD188A(A2o82rC2,MOREEX<PL(R,TJ•

Pl(S,TJ.PO(AZ•CZ),P0(BZ•C2)r PICP(R,T.AZ.C2oAZIR.CZIT>• PICP<s.r.sz.cz.azrs.czrr>.M>>

Tl :• HOREIIHRoS.Az.az,AZIR.B2IS .. T1J

T a tM:MORE(PL(R,.TlrPL(S,.TJJJ SATZ188A ·- REALAPPJOHJRE<R,.SJ.(X::JIF][Y:OIFl

tz:DifJ[U:INNCXrCLASS<Rll](V:INN<Y• CLASS<Slll[W:INN<ZrCLASS<Tl1l TZ".3?.lae•<x.v.z.u~v.w~M>>

+<>3R188

C?.IT a ti:ISCPL<R.T>rPL<S#Tl>l Tl -- SATZD188B(A2.82oC2riSEKCPL<R.T>r

PL~S#i>rPBC~2 .. t2>•P0(82•C2Jr PICP(R,ToA2rC2,~2IR,C2IT>.

PICPCSrTrB2rC2o92iS•CliT>•I>>

: ISCPLC~l(R,S),.Tl,Pl<RoPLCS,T))) ISCPLC~L<R•S>•T>rPL(RrPL(irT)))·

IS (f'l <loPl.C 5~> T) > •Pl. (PURrS) ,.·y))

ISO'IN(i'UR• SJ,S hR)

: IS(MNU •S >• U IS<X"M" <R .. S)}

ISHINn •ShXJ ISU.M.'4 (R,.S ))

: ISCXrY)

: AHONECREAlr[X:REAl]ISCPLCSrX)rR))

: ONE( [X: REAlliS(PLCS.X) .. RH

MOREDCA Zr82) HORECR .. SJ

: HORE<R. 5)

s

s

s

' -4.74-

Page 77: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•3RU8

CZIT a [ltLESSCPlCR,.T>rPLCSrT))]

•3R188

TS ·- SATZ01138::02rB2•CZrU:SSë:XCPl(R,.Tlr PlCSrTJrPOCA2 .. C2l,.PDCB2,.C2lr PICP(R,.TrA2•CZrAZIR~C2tTJr PtCP<s .. r .. sz,cz.azts.cztrl.LJJ

T6 := lESSINtR•SrA2rB2•A2IR•B2ISrT5J

T a (L:LESSCPlCRrTlrPL{SrTlJl

H31U88.

czn a

•3R188

T ~

T ~

+*3R188

CZIT a

-3~158

T a

SATZ188C ·- REAlAPP3tlESS<RrS)r[X:DtrltY:CIFl

tH: HO~EtR• S) l T7

T8

(H: MOR[(R,. 5) l SATZ1880

u:rsu.s1 1 SATZ188E

tL:LESS<R• Sl 1 u

uo

[L:LESSCR•Sl l SATZ18SF

:=

:=

:=

:=

:=

:::

rz:Oifl(U:INNCXrClASS(R))J(VtiNNCY, ClASStSJ>ltW:INN(lrCtASS!TJJl T6•.3R188"tx.y,.z,u,v,.w,L>J

SATZ0188DCAZ.82rC2r HOREEX<R•SrA2r62•A2IRrB2ISrH)) HOREIN<Pl(RrTlrPl<SrT>,POCAZrCZ>• PO(B2rC2)rPICPtR.T,A2•C2,.A2lR•C2IT>r PIC?(s,.r,az,.cz,.eziS•CZITJ•T7>

REAlAPP3<HORE<Pl(R,.T> .. PL(S,.T)),.[X:Oifl (Y:OIFltZ:DIFJ(U:INN<X .. ClASS(Rlll [V:INNCY,.CtASS<S>Jl(W:INN<Z .. CLASS(T)>l re•.3Rlaa•cx,.y,.z,u.v.w .. H>>

ISPLH R,. s, T, I)

SATZ0188F<AZ.BZ,.CZ,. lESSEX€ R, s,.Az .. az.AZI R.BlJS,l)) lESS IN<PLtR•l),.pl( S• ThPD<AZ.CZJ,. P0(82,.C2>•?lCPCR,.T,A2rC2,A2IRrC2ITJ. PICP<S•T•B2•C2•B21S•C2If),f9)

:: RE~lAPP3(lESS<PlCR,.J),.Pl<S .. TJ),.[X:OIFJ tY:OtFltZ:DifltO:INN<X,ClASS(RJ>l tv:INN(Y,CLASS(S))}[W:INNClrClASSCTJJl rto•.3Riaa•tx .. v.z .. u,v .. w .. L>J

LESSOCA 2rB2l : LESS<R• S>

: lESSCR,. Sl

: HORED(;- OCAZ rC2hP0( az,. C2)J

: MORECP:.. (~,T J•PL<S .. TH

: MORECP:. (R,.T ),.pt<S,.T>l

IS<~lt~ .. T),Pl(S,.f))

LESSOP O<A2,.C2) ,.poe sz,. CZ))

: LESSCP:.. tR" T ),.pl( S• T))

: u:ss<P:. (R .. T hPl(S•T))

s

s

s

s

s

s

s - 4. 75-

Page 78: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+3R191

T ia U'I:M\JRElPI.U~R)rPl{T.Sl)]

SATZ1a8G := SATZ1aBA<tSMORE12<PL<T~R>•PL(R,Tl• PL(T,S),pL~S,fl,CC~PL(f.!),CG"PLCT,S)• Jo!))

T a CI:IS<PL(T,R>•PLCTrSlll SATZ138H := SATZ!8!9(TR3!StRE'L•rl~~.T),Pl(TrRlr

PLCT,s>~PLCS,r:,cOMPLCR.T>~I•. CCHPL.< i • S >))

T a (L:L~SSCPL<T.R>•PlfTrS))J SATZ188J :: SAfl168C(I,LESS12<PLCTrRlrPLCR,TJr

T a tH:H?RECR•Sll SATZ1881(

T a U:ISCR.S> l

?LCT.SJ.PLCSrT>rCCMPL<T,R>,COMPL(T,S)r l)}

:: ISMGR~12t?L(RrTlrPL(T,RlrPL(S,T}r PlfT,SlrCC~P~tR.ï>.COH?L(SrT),

SATZ188DOOJ

SATZ188L := ISPL2CRrSrT•Il T a tL:LE:SSCRrSll

SATZ188~ := ISLESS12<Pl(RrT)rPL(TrRlrPL<S•T>• PLlTrS),COMPLCRrT),COMPLCS,T), SATZ168rtl))

U a ti:IS<R~S>lCK:KORE<TrUll SATZ188N :a ISMORE2CPl(R~U)rPL<S•U>rPlfR•T>,

SATZ1880

I a [L:LESSCT.Ull

ISPl.lC R, Sr IJ,! hSATZ168K CT ,.u,.R.MJ) := ISMORElZ<PLCRrTloPL!T,Rl~PLCSrUJ•

PltU.S),CO~PlCR,T>.CCM?LCSrUlr

S.\TZ188t0

SATZ188P :: ISLESS2(PLCihUhPL(S,UhPUR,T), ISPL1CRrS,.UoiJrSATZ188~(T,u~R•l)J

SATZ188Q :: IStESS12<PL<R•T>•PL{T,R>•PLCS,U)• PL(U;S),COMPl{R,TJrCOHPL(S,U>• SATZ188Pl

U a [M:MORECRrSll[N:MORE(T,UlJ SATZ189 := TRHDRECPL<R•TJ,PLCS,TJ,.PLCS~U>•.

SATZ186D(M),SATZ168K(T,U,S,N)) U a tL:LESS(R,SJl[K:LESS(TrUJl

SATZ189A :: lEHMAl(Pl<S,UJrPl(RoT>~ SATZ189(S•R•U•T•lE~MA2(RoS•LJo LEMMAZ<T ,u •K)))

U a [H:MOREIS(R,Sll(N:MORECToU)J SATZ190A :: ORAPP(MORE<P.•S>~IS<RrSJ.KO~E<Pl(R,TJr

?LCSrU}),~.CV:~GRE'R•S>JSATZ189CVrNlo {V:IS(RrSllS~TZlSeNCV~N))

U I [K:MORECR,S)J[N:MOREISCT,U>J SATZ190B :: ISHORE12CPl(T•R>,PL(P.oT>•Pl(UrS)•

PLCSrUlrCOHPl(T,RJ,COKPl<UrS>• SATZ190ACTrUrR•S•N,M)~

U ~ [l:LESSIS<RrSlltK:LESSIT.U>l SATZ190C := lE"MAl(PL(SoU)rPltR~Tir

SATl190A(S;R.c,7~S~TZ!&SSCLJ, lE'!MA2CT .. u~ro >,

U ; CL:LESSCRrS)l[K:LESSIS<T.UJl SATZ190D :: LEM~AliP~(S•UlrPl(R,TJ,

SATZ19QB(StR,U,hlEHlo!A2Cll. SATZ168SCT•U•KlJl

D31U a [H:H3REIS<R~S>l(N:HOP.EISCTrU)} fl := SA!ZQ1nt(A3•Bl•~l·~3·

HORE ( R• S)

: ISCRrS)

LESHR" SJ

HORECP't.. CT•R J.Pt.UrS))

IS<PL<T rRhPL(T ,.5))

LESSCP;.. c'r .. RhPltT•S»

HORECPLCR,TJ,PL(S,U))

: MOR((P;,. CT •R hPL(U,S U

: lESSCPi.CRrThPUSrUH

: lESSCP. U.oR >•PLCUrSU

~ORECP:.<RoT),fl(S,UJ)

: LESSCP:. CR•T hPL<SrUH

MORE C P'~o. CR~ T ),pl.( s,u))

: t!ORE(P'. <R•Tl•Pl.CS•U))

LESSCP:.. CR•T )•PL<SrU))

LESUP:. (R,. T lrPU s .. u)) - 4. 76-

~

Page 79: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+IVR~

-IYR\

+U192

rz MOREISEXCR.S.A3.B3.A31R,83IS•"'' MORE ISEXCT •tl•Cl,C!,C 3IT ·~3IU,NJ>

:= MORE IS HHPL<R• TJ,Pt.<5• :.H.P!l! Al•Clh P:>CB J,.Q3),. PI CPCR, T ,.A3,. C l•A 3lR.C3JT h PICP(S,u .. al .. Dl•BliS•~liUl•Tl>

U a tM:HlREISCR.S)][N:MOREISCT,U>J SATZ191 := REALA~P4CMOREISCPLCR•TJ•Pl<S•Ull•

[X:DIFltY:DtfJ[Z:~:Fl(V:OIFJCXI:INNCX• CLASS!RlJltYI:IN~CY,ClASSCSJJl tzt:INNCZ•CLASSCT>Jl[VI:INNCV•CLASSCUJ JlT2•.JR19l•cx,.y,z,v,xi,.!I,zi .. VI•M,.NlJ : MOREIStPLCR,TJ,PlCS,.UJ>

U a [L:LESSIS<R•S)l[K:LESSISCT,Ull SATZl91A :: SATl1!;8A<PL<S.UhPL(R,.T),

SATZ19l(S•R•U•T•SATZ1S89(L)• SATZl&e!HT.<U,I() l l : LESS IS[ PUR, ThPUS.Ul)

; TIMESilR ·- (X:OIFJrY:O!FlREALCFCTIHX•Y)) [X:Dtn t:Y:Oif'JREAl

[A:DIFl[B:OIFltC:D[fl[O:OIFJ[E:Eo•RPwcA,BJl(f:EO*RP*(C,D>l Tl :: ISIN<REALCf<TO(A,C))•REALOF<TD<B~D>>•

TDCA~C),TOCS.~1.INNCLASS<TOCA,CJ), IHNCLASSCT0(9,DJ),[QTD1Z<A•9•C•D•E•F))

:= tX:DIFltY:OIFltZ:DIFltY:DIFJ[T:<Y><X>

ISC<C>< A> TI KESOR,<D><B>TIIfESDR>

F"TI!tESDR

s a rs EQltU:<V><Z>EOHl ... I VRft•( X• y" z, V• T ,u) : flXF'ZUEAL• TIMESDR)

t= INDREAL2CREAL,TIHESDR .. FTIMESOR.R•SJ t REAL

BUS a TZ := ISINOREAlZCREAL•TIMESDR•FTIMESDR•R•S• Al.B l.AliR,BliSJ : IS<REAL OfCTDCA1,81J ),TS(R, SU

BUS a TICT

T a U :tsU .. S)]

·- ISPCREAL•(XtREALJI~NCTO(A1•81)• CLASS<lO ), RE AtOF<TDC Al,el) )~ TS<R•S), INNCLASSCTDCA1•6l)>,Tz•.IVRft•)

ISTS1 := ISFCREAL•REAt,[XtREAllTS<X•Tl•R,.S•I> ISTSZ :~ ISF(REAL,REAl•(X:REALlTSCT,X>•R•S•IJ

U a tl:IS<R•S)J[J:ISCT .. Ull ISTS1Z := TRIS<REAt.TS(R,Tl,TS(S,T),TSCS .. UJ•

81IS a [I:IS(R•OJJ Tl TZ

sa n:tsu .. o)J SATZ19ZA

ISTSl<I>•JSTSZ(T,u,s,Jl)

:= SATZD19ZA(Al•Bl•OEXCR•Al•AliR•IJJ :: OINCTSCR~SJ-TDCAl•Bl>•TICi.Tl)

:: REALAPPZUSC !S<R·SJ~O),U:OifltYtOirJ CT:INN(X•ClASSCa))][U:IU~<t•ClASSCSJJl

: INN<Tilt At.Bl >.CLASSCTSCR•S l.))

IS USU" Th TSCS• T >) : IS<TS(f .u, TSU .su

: ZERIJCTHAt..BUJ IS<TSC!t .. SJ.OJ

T2•.4R192•o•,y.,y,.u,.t )) : IS<TS<lrS),O)

s

s

s

s

'

I

s - 4. 77-

Page 80: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

HfoR19Z s

SliS a Ct:IHSrO)J T3 . :;: SATZ01929tA1rB1,QEX<S•9lrB1fSoill : ZEROCTl CAl• SU> T4 :: 0 IN( TS { R,. S ), JO tAl, '31 h i 1 CT,. r3 J lSUS<l .. ShO)

•4RUZ s ~,

s a tx:Iscs .. oJl SHll9ZB := REALAPPZCISCTSCRrSt,OJ,[X:OIFJ[Y:OIFl

CT:INN(XrCLASSCR>lJ[U:INNCYrCLASS(S))] T4·.4~192"Cx,r,.r.u.I>l I S<T SU ,s ),. 0 J

H4R19Z s

BUS a [I:IStTSCRrSJ,Q)l T5 := SATZD192C(AlrBloOEX(TSCRrS)rTO<A1rS1 ),

TICTriH ORClERl <AlhZEROCBl U T6 :: TH9•t.oR~CZEROCA1>rZERn!Sl)oiS<R.O)o

ISCS .. Olr!S,(T;ZE?.OCAl>lOINCR•~t•Ali~• T>rCT:ZEROCBl>JOI~<Srölo81ISrT)) OR(ISC~,.Ol• ISCS,.Q))

•t.Rl9Z s

s a tl:tstTSCRrSJrO)J SATZl92C :s REALAPP2COR<ISCRrOJ,ISCSr0)),(X:OIFl

tY:3IFltT:IN~(X,CLASS<RJ>JtU:INN<Y• CLASSCSJJ!T6w.4R192"tX,rrTrUri>> : OR<IS<~~OblSCSr0))

s a tN:NISCRrOJlEO:NISCSrO>l SATZUZO :: TH3•L.IHP"(IS<TSCR,SJ,Olr0RCISCR•OJ~

ISCSrOtJrTH3"l.OR•(JS(R,OJ,IS(S•OJ.Nr ) 0)r{T:ISCTS(RrS)rO>JSATZ192CCT>> : NI S(TSt RoSJ rOJ

s a u:Isur .. o>l TSOl :: SAH192AUl uusn .. st.o>

_ .. s ~ U:ISCS,O)l TSOZ ·- SATZ1921:l<I> : ISCTSnrShOJ

., HtR193 s ;

SliS ~ Tl t= SA TZD l<J3U 1• 91 > : EQ-RP"'[ A8SOUO< u .. st U .. Tol A8SO<AU, ASSDCBl)) J ft ·- ISINCABSCTS(RrS>>~TSCABSCR> .. ABSCS>>•

ABSO<TD<Al•BlJ)riOtABSOCAlJrABSD(Bl)}r AICA(TSCR .. S> .. TO<AlrBll.TICTJ, ,. TICT\A6S(RirAaS<S>•A9Sa<A1lrABSD<91),. AICACRrA1~A1IR),AiCA<Sr91rBllSJ1rT1> IS<AB~TSCR .. S))~TSCASSCRJrABSCS)))

•4R193 s

S a SATZ193 :: REALAPP2CIStAéS<TSCR,.Sl)rTSCABS<Rl• ASS(S))),(X:Oif-ltY:Otf){T:INN<X; CLASSCR>)ltU:lN~f!~CtASSCS>)J Tz•. 4R19 3"<X" Y,.T,.U)) : IS<ABSt TS<R .s > J P TSC ABS CR), ABS< SJ))

'• SATZ193A == SYMISCREAL•ABSCTS<R,SlJ.TSCABS(RJ• J

ABS< S> h SATZ195> : ISH SU B.SCR). A8SC 5) JrABS<T S<R ,.5)) >

•4P.194 s - 4. 78-

Blts ll Tl :: SAT'Z0194 (Al; lH l : EQ .. RP"'[ iO{Al;Bl lrTOCBt .. AlJ) rz ·- ISINCTSCR.S),.TSCSrR>rTDC~lrB1Jr

T0(81•AllrT1CT,TICTtS•R•8l•AlrBIISr A1HD• TU : !S<TS(~•Sl•TS(S,Rll

Page 81: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•ltRl"

+4R195

•4R195

SATl194 ;:: REALAPPZ<ISCTSCRrSlrTSCSrRllr[X:Oifl CY:DtFJ[T:INNtXrCLASSCRJJJtU:INN(Y• CLASS<~>llT2•.4R194"CX.~.T.U)) t ISCTSC~rSlrTSCS.R))

CO MTS :: SHZ194 ISCTSI~•S>rTS{SrR1) a 1RL == ~E~LOF' C lOf J : REAL

POSt := POSINCIRlr10f•INNCLASSC10F)r POSOIRP<lRP)) : POS( 1R'. l

NATR~l := NATRLHl> NHaL<l RU INTRL1 := NATINTRlClRL•NATRLlJ INTRL<l RL)

AOIR ; Tl := Sr.TZ0195UO> : EQ'"RP""C TD<AOr10HrAU TZ :: ISIN<TS<R•lRLlYRrTOCAO•lOFlrAOr

TICTC~r1RL.A0.1DF,AOIR~INNCLASS(l0F))• JI.O!RrTU Isnsn .. tRL hR>

R 1 SATZ195 =· REALAPPl<ISCTS(RrlRL>•R>.CX:OIFl tT:IMNCX•CLASSCRl>lTZ•.4R195"(~•T>> : ISCTSH •lRL lrR>

SATZ195A :: Snii SC REAL• T S< R• IRL >.Rr SA TZ195) !S<R,.TS CRrlRUl SATZl95B :: TRIS<~EAL•TS(lRL•RlrTSCR,lRL>•P.•

CC"T S{ lRL~;:! h SAT Z195 l ISCTS<l Rt. .. R hR) SA1'Z195C == SYMIS<REAlrTSC1RL•Rl•R•SATZ1958J : IS(R,.fi <lRL.R))

s a tP:?DSCR>l(Q:POSCSll SATZ196A := SYKIS<REAL.TSCASS<R>•ABS(S)J,TS<R•S>•

ISTS12CABSCRJ,R.ABS<S>•S•ABSPCR,P), ASSPCS,Q}}) IS(TSC~•Sl•TS<ABS<Rl•ABS(S)))

BliS ~ (N:NEGCRJltO:NEG(S)J Tl := SATZD196BU1rBl•NEGEXCR,AlrA1IR,Nh

NEGEX<S.B1•B1IS ... OJJ : EO"'RP"'t TDU1..81J,TDUBSOUU,.ABS0(8UU f2 := ISIM<TS<R•ShTSOBSCR),.ABS(S}),.

TD<Al.BlJ,TOCABSDCA1>•ABSOCB1JJ,TICT, TICT(43S(R)•ABSCSJ,.ABSaCAl>•ABSOCB1>• AICA(R,A1.Al!R),AICA(S,S1,S115)),f1) : ISCTS<~•S>.TS(ABS<RJ,ABSCS))J

s

$

s

•4R196 S

S ~ tN:NEG(R)l[O:NEG<SJl SATZ196B :: REAlAPPZCISCTSCR•Sl•TSCABSCRJ,.ABS<S)))

BliS a [P:POS(Rll[N:~EG(Sll

,[X:Oifl[Y:DIFltT:INN<X•CLASSCRJll [U:INNCYrCLASS<SJ>lf2«.4Rl9&"<X•Y,r,u, N,.O))

TlA :: SATZD196CCAlr81rPOSEX<R,.AlrA1IR•P>• NEGEXtSrB1rB1IS•N>>

TZA :• ISINCTSCRoS)rKO<TSCABS(RJ,.ABS<S)1)r TOCAlr6ll•MGDCiJ(AaSOCAl)•ABSDC81)))~

TICT,KICMO<TS<A~SCRJrASSCS'J• TO<ABSOIA1J•ABSDC8l)),JICT~ASSCR)• ABS(SJ,.ABSO(Al)rABSO(Sl)r A!CA(RoAl•Al!P.)•A!C~CSrB1,61ISJJ~,T1Al

IS<TSC~.s>,.TSCABSCRJ.ABS<S>>J

s

ISCTSH ,.5 ),. KO<TSU8S(R >.A3 S(S)}))

-4.79

Page 82: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•4R19&

S ~ [P:P~StR>l(N:NEGtS>l SATZ196C :: REALAPP2<ISCTS<R,S),~O<iS{A8SCR),

S ~ [N:N~GtR>lCP:~CSCS>l

ASS<SJ))),(X:OI>lrY:~•rJtT:INN<X•

CLASS<P>Jl[U:INN<Y•CLA55(5)J) T2A•.4Rl9~·<x.v.r,u,p,N>>

SATZ19~0. := ";"R3IS~R:::Al•TS<R•S>.TS<S.Rh

AOIR ~ [N:NDT<IS<R.O>Jl T3

HQCTSrA3S{S),AêS(R)ll•MOCTS<ABS<R>• A6S{S))J,:O~iS(R,Sl,SATZ19?C<S,R,r.NJ,

ISMO<TS<ASSC~l.ABSCRJ>~TS<ABSCR),

ABS<S>>•C~~iS{A3S<SJ,ABS<R>>>>

(T:ZERGCAOl~OI~<T'l SliS ~ (N:NOT<ISCR,O>JJ[O:NOTC&S<S,O>>

lri:IS<TS<R•S>,TS<~SSCR>·A3S(Si)J! T~ ·- SAïZ019óE(A1,81,T3<R,A1,AliR,N),

T3CS.BJ,SliS•O>•ISEX<TS<R•S),TSCASS<R> ,A3S<S>J.TOCA1,Bl>•TOCASSO<A1>• ABSOC3!)J,TICT,T!CT\ABS{RJ•ABSCSJ, A9SD<Al>•A9S0\61J,AICACR,A1,Al!Rl• AICA<S•Bl,61IS)),Il)

tA:AND(POSD(Al),POSDCBlJJJ T5 := ANDI<POSCR ), POS< SJ.

POSIN<R•Al,AliR,ANDEl(POSO(Al), FOSO<Sl),A)J,POSIN<S,Sl.BliS, ANOE2CPOS~CA!J,PCSDCB1),A))}

I ~ [A:ANOCNEGDCAl>•NEGO(Bl>~l T6 :: ANJIOitGCRhi~EGCS>.

NEGI~CR•Al•AliR•ANOEl<NEGO<Al>• NEGO!Bl),A}),NEGIN(S,Sl,SliS, ANDE2CNEGOCAl>•NEGOCS1>•A)))

I a TT :: TH9wl.GR•{ANDCPOSO<Al)•PDSO<B1)), ANOCNEGDCAl>•NEGOC61)),ANOCPOSCR>• POS< S> ),A~iH ~IEGCR>.NEGCS) >•T4• [T:A~~CPOSOC,lJ,POSOCBllllTSCT),

[T:ANO<NEGOCAli.NEGUCB1JlJT6(T)l

S ~ tN:NDTtiS(R,O))][Q:NOTCISCS,Ol) l(I:IS<TS<R.s>,TSCABSCR),ABSCS>>Jl SATZ196E ·- REAlAP?ZCOP.CANOCPDSCRJ,POSCS)),

AND<NEG<R>,NEGCSJ)),[X:Oifl[Y:OIFl (T:INN(X,ClASS(Rl)J[U:INNCY•CLASS<S>>l rr•.4R19&•cx.v.r.u.N.o,I>>

+*4P.196

0 a [I: IS<TS<R,S >• HO(fSCABS<RhASSCS ))))] T3 :: SATZD19&F<Al,SlrT3fR.Al,AliR,N>-

T3( S• 81• 31 !S• O>. I SS X< TS{ R• Sh MO<TS<A3SCP)rASSCS>>~.TO<A1,81)• MODCTO!ABS0(~1J,A8S0<6!))),flC1,

~tCMOCTSCA6SIR),A3SCS)'•TD(A8SOCAl>• A8S~CS1)loT:CT(A0S(R),45S<S>•AnS0(~~ >•

s

!S<TSU ,5 h HOCT S<ABS<R h A3 SC SJ J) J

I se-;- Sn ,s ), HOCT S<ABS< Rh A3 S< S > >))

s

NOT< ZE~ 0 C :.0))

CR <A NIK POSOUlJ .PCSO(BU ), ANOt NEGOU 1J ,NEGCCBl IJ J

ANDCPOS <RhPOS(S)l

OR (A 'fiX POS< R >.POS CS )J. ANO( NEG< R>, NEG CS>))

s

OR CA NO[ POS( R hPOS<S )h ANOC NEG< RJ, NEG<S J))

s

~ 4.80-

Page 83: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

ABSO<Bll•AICA<R•Al•AliRl• AICA(SoBloBliS)lJol})

CA: .\NO{ POSD( Al Jr NEGD( Bl > > l U :: ANDICPûSCRhNEG(Slo

POS[NCR•AloAliR•~MDEl<POSD<A!)• NEG0(~1>.AJJ.N~SIN<S~3l•SliS. ANOE2CPOSO<A1JoNEGOIB1l•A})l

I ~ (A:AND<NEGOCAlJoPOSD<Bt,>J HO ::::: AND!O!EGHDrPOS<S>r

NEGIN<R.Al,AliRoANDEI<NEGO<Allo PUSD(êl>•A>>oPOSIN(SoBl•EliS• A NJEZ~ >:EGD U 1 hPOSD tiH Jo A)))

I a Til :: iH9·~.CR•CAN3CPOSDCA1JoNEGDCSll)• ANJC~[5~[,1JoPOSDCB1tl.ANDCPOS<RJ•

NEGCSJl~A~~<NEGtR>•POS(S)),f8• {f;A~~(PQSCCAlloNEG0<91JJlT9(Tlo

tT:Art~(NEGO(Al)oPOSOCSlJ>JTlO<T>J

Q a ti:IStTS<R.oSl.oMOtTS<ABSlq),ASSCS))))J SATZ195f := REAtAP?2COR(ANDCPOS<R>.oNEG<S>>•

AN3fNEG<Rl.oPOS<SlJJ.o[X:Oifl[Y:Oifl [TtiNN<X.oCLASSCRl)][U:INN(Y.oCLASSCS))J

; tiRUNDC POSDCA U• t.EGDt:BU J. AND( NE GOU U.o PCSO<IH)))

: ANOC POS <Rh NEG( S))

AND< NEli CR h POS( S))

TU•. 4R191)""( X.o Y.o T .. U.o N,. D • I)) : OR (ANI)[ POS< R >. NEG<S )),. ANDC NEG<RJ .POSCS))) S a tP:PaSCTSCR•SJ)l

Tll

T14

P a SATZ195G

S a [N:NEGCTS<R•Sl)l

tt~· a ns

TU

nr

~ a SAll196H

:= TH3•L.IMP~(IS(R.oOJ.IS<TS(R.oSloOJo PNOTOCTS<R.oSl.oP>.oCT:ISCRoOllTS01(R•S• T)) NISCR .. l)

:= THJ•t.IHP•<IS<SrOJ.oiSCTSCR.oSl.oOJ.o PNOTOtTS<R.oSl.o?J.otT:IS<S.oOJJTSOZ<R.oS.o T)} :H!SCS.oQJ

:: TRIS1CREAL.oTS<R.oSJ,TS<ABSCRJ.oABSCSJJ.o ABSCTSCR•S>1.oA8SP!TS(R.oSJ.oP1.o SATZH3(RoSl J : IS<TSCR .oSJ,.TSUBS<R loABSCS )))

:• SATZ19SECT12".4R196".oT13•.4R196"" T14'".41U96•) CR CANOt POS CR l#POS<S )),. ANOC HEG< R J. NEG<S U)

:: TH3•L.IMP•CIS<?.oOJ.oiS<TS<R•SJ.o0),. NNOTO<TS<R•S>~N)•tT:IS(R,QllTSOl(R•S• T)) : NIS(R,3)

: .. TH3•L.lHP"CIS<S.o0),IS(TS(R•SJr0), NNOTOtTSCR,S),NJ,.[T:IS<S.o0)JTS021R•S• i)} NIS($,.3)

':= SAT!177C<TS(A8S(R).oABSCSJJ,TS<R.oSl.o TRIS<REAt.TSCABS(RJ.ABS<SJ),. ABSCTS<R•Sl>•KOCTS<R·S>J.oSATZ193A(R,S> .AgSNCTS(Rr5lrNJ)~ ISCTS<R .s >• KOOSCABSCR h A3 SCS))) J

== SATZ196~(T15".4Rl96•rT16".'R196•r nr•.4R196'"J : GR{ANIX POS{RhNEG(S)J,AND{ NEG<R>.PCS(SJ))

s

s

s

s

- 4.111-s

Page 84: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

HolU!iTT s

31IS ;r Tl =· S~TZD197A(A1,81) EO .. RP"'[ T0040DU1 h8 1)" HOOC TDC .u,au)) n :a ISIN(TS<~OCRl~SJ,MOCTS{R-S>>•

TOCMOJ!Al>•BlJ,MOOCiQ,~l,SlJ), r:CT<MD(RJ~S,HO~(Al>•Sl,

MICMD!5rAl•A!!~),BliS),MICMOCTS(R•Sl• TOtAl,Bl)•TlCT},T!> : IS<TS<KO<R>,SJ,MQCTSCR,Sl>>

•4R197 s

S :Z SATZ197A := RE t.L APPZ( Z SC 15040{ R} •S h HO CTS< R• S) J) •

IXtD!~lCY:Cifl(T:INNCX.CLASS<Rlll [U;I~~CY~CLASS<S>JlT2•.4R197"'(X,Y•T•U> ) : ISCTSCMOCR),S),MO(TS<R•S>ll

SATZ197S := iR3IStREAl.TS<R•M0(S)J,TSCK0(Sl•~>• ~~(TS'S•R>>•KO(TS<R•S>>•tOMTSCR,MOtSlJ oS4TZ19iACS;R),ISMOCTSCS,R),TS<R•S>, C:n<TS{S~RJ J) ISCTS<~•MO(Sll•MOC!S(RoSJl)

SATZ197C := TR!SZ<REAL.TS<~O(RlrS),TS<RrMOCSJ), ~O~TSCRrS)J,SATZ1?7ArSATZ197Bl lSCTSCMO<R>•S>•iSCRrMOCSlll

SATZ197D := SYMISC~EALriSCMOCRlrSloTSCRrHOCS>>• SAT'Zl97Cl ISCTSt~rMOCS1lrTSCMO<R>rSll

SATZ197E := SYMISCREAlrTS<MOCR>oS)rHOCTSCRoS)lr SATZ197U IS(ItOU SCRr $)), TSUtOCR );SJ)

54TZ197F == SYMISCREAl~TSCRrMOCSl>•MOCTS<R•S>Jr SATZ197B> : IS<MO(fS(R,SU".TSCRrKOCS}))

SATZ198 == TRIS<REAlrTS(MOCR>•HO(S)), TSCR,MOtHOCSll)rTSCRrS)o SATZ197CCRr~OCS)J,JSTS2<KO(MOCS))oSrR• SATZ17i"CS))) IS<TSCM OCRJ • MOCS l); TSC R•SJ )

SATZ19!1A == SYMIS<REAlrTSCMOtRJ,MOCSJ>rTS<R,Slr SATZ198l : IS<TS<R•SlrTSCMO<R>,MOCS>>>

uiYH s

!HlS ~ (P:PDSCR>ltQ:POS<S>l u :z PTDPPfAlr8loPOSEX(RrA1rA1IRrPJo

PCSEXCSrBlrBliSrQ)) : POSO( fl) (At. 81) J ftt := POSINtTSCR~SirTOCA1~8l)~fiCT•T3l : POSCTSt R,S) J

•IV!H s

s ; tPtPOSCRJl[Q:POS<SJl 11>3ST5PP ·- REAtAPP2tPOS(TS<R•Sl),[X:DIFl[Y:OIFl

[T:IHM<XrClASS<P.)l1[U:tNNtY,ClASS<SlJJ r~o·.IVR4•(x,,,,,u,p,QJJ POS( TS( R;S) J

uinc. s

!'" a [N:N[!i(S)] T5 ;: NTOPN<Al,Sl.POSEX<R,AlrAliRrP),

NEGEXt S• Bl•81!S• N' > NEG!)( T:> Utr aU J i6 :: NEGIN<TS<R.SlrTD(llrBl>•TICT,T5! : NEGCTS[ R•Sl >

•IV~~ s -4.82-

5 a CP:PJS(RlltN:NEGCSJl NEGTSPN := REALAPPZ<NEGCTS<R•S>>•[X:OlflCY:OIFl

[T:IN~(X;CLASS<R>>ltU:INN(Y,CLASSCSJ>l T6•.IVR4·~y,y,J,U•P~N)) ; HEJ;HSt R,.S))

s a tN:NEG(~lltP:POSCS)l

Page 85: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+~1'!199

-r.r:199

+UZH

•t.R2H

NEGTSNP :: ISUEGCTSCSrRl•TS(RrSJrCOMTSCSrRJ• NEGTSPN(SrRrPrN>> : NEGCTStRrSJJ

S a [M:NEG<R>l[O:NEGtSJJ POSTSNN := ISP0S(~S<HO<RJ,MO<Sl.JrTSCR.SlrSATZ198r

R a [NtNIS(R,OJJ POSSQ

R a NNEGSQ

CZIT a Tl T2

T :1 SATZ199

ASSTSl ASSTSZ

czn a Tl TZ

SATZ~Dl

OISHPl

DISHPZ. OISTPT1

POST SPP< !'!?( R i, V.O t S>• SA TZ 176C t R" N h SATZ176CCSr!lli)

:u RAPP(R,POSCTS(RrR)),[TtPOS(RJl POST S?P< R• R• Tr Th THZ .. L. I MP'"< IS< R•O h POS( TS( R• R) h N h [T: NEG CR) lPOSTSNN<Rr R,

POSHSt R .. SJ J

f,.TJ J POS<TSt R .. R)) :: THt•L.IHP•tiS(R,OloNDTCREG<TStR.R)))r

CT: IS ( !h 0} JO NOTN<T S< R, Rh SATZl924(RoRrl)),[T:NISCR,OJl PNOHHTS(!bR ),POSSQ(P,,.f))) : HOUNE&<TS<RrRUJ

:: SATZD199CAZ•~Z,C2) :: ISi~CTSCTSCRrSlrTJ,TS{R,TS{S,Tl>•

T~CTOCAZrBZJrC2J,TOCAZoTD<3Z•CZ))r

TICT<TS(R.S>•T•i0{A2r8Zl,C2• TICT<R•S•A4•8ZrAZIRrB2ISl•CZtTJr TICT(R,TS(S,T),A2~TO<SZ.CZJrAZ!R•

TICTCSrT•B2rCZ•92ISrCZIT)J•T1J

:a REAlAPP3<IStTSCTSCR.SJ.TJ.TS(R,TStS.T) ))r[X:Oifl[Y10IFJ[Z:OIFJ(U:INN(X• CLASSCRJ)l(V:INN(Y,.CLASSCS))J[W:INNCZ. CtASS<ï>JJTZ".4R199•(XrY•Z•U•V•W>>

== SA TZ 199 := SY~ISCREAl•TSCTSCR.sJ,J),TS{R•TS(SrTJ)

,sHZ199l

:= SATZ0201(AZ•92rCZJ :: ISIHCTS<RrPLCS.TJJrPllTSCR•Sl•TSlR•TJJ

.TO<AZ,.P0(8Z.CZ)J•?D(T0t~2.B2>• TOCA2•C2)lrTICTCR•Pl(SrTJ.A2•PO(B2•C2) rAZIR,PICPlS,T,S2,CZr82IS,CZIT)), PICP<TSCR•SlrTSCR.T>rTDCA2rSZJ• TO(A2rCZlrTICT(R,s.AZrBZrAZIR,BZISJr TICTCR•T•AZrCZ•AZIRrCZITl)rfl)

== REALAPP3C ISC TS( R•Pl< Sr Tl), PL( TS( R, S>, TSCR,Tl))r[X:OIFl[Y:OIFJCZ:OIFl (U: HI~<X.rCLA SS<R)) H V: INNCYrClASS<S)) J (W;INN(ZrCLASSCT>JJTz•.4RZOl•<X•Y•l•U• y, 11) )

::: TR3IS(REAL.TSCPL<R•S>•T>~TSCT•PLCR.SJJ rPLCTStT.R)rTSCTrS)lrPL<TS(R,T), TS[Srf)JrCOMTSCPLtR.S)rTl• SATZ2~1(T~R,S>oiSPL12<TSCT.RJrTS<RrTï~ TS(TrSJ•TSCSrTlrCOHTS(irRl•COHTS(TrS>• )

== SATZZOl := SY~tS<P.EAlrTS<Pl(R,S)rT)rPL<TS(R,T>.

: ISc:TS<f SCR•ShT >.TS<R• TSU •T>)) IS<TSH S(R,. S ), T lr TStR, TS(S "f) J)

: ISCTStR .. TS(S,TJJ,TStTSCR .. Sl•T>J

EQ•RP""C: TD<Az,pouz,cz> hPHTD<Az,.azJ,TDCA2,C2)) J

IS<TSCRrPLtSrTJJ,PLITS(RrSJrTSCR•TJ))

: ISU S(R •PL( s, T lhPl<TS(RrS hTS<R •. n J)

JSCTSC~L(R,SJrTJrPl(TStR,TJ,TS(S,TJ)J IS(TSt~~Pl<SrT)lrPl~TStR•SJ,TS(R•T)J)

s

s

s

s

- 4.83-

Page 86: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

TS(SrTJJrOISTTPll DISPTZ :: SYMISCREAL .. TS:RoPL(S,fJJ•PltTS(R•Slr

'!'SCR.v T) ),.i)IS TTP2) SATZZGZ :: TRIS{~EAL;TSCRr~NtS•'!'>J•FlCTSCR•5>•

fStR.MC{T)J).~~CT3(R•S:.TS{RoTl>• DISTTP2CR•S•MOCT>l•lSPL2(TS(RrKO(f))~ HOCTStR,T,)rïS(R,SJ .. SATZ197BCR,.f)))

DlSHMl =· TRISt~EALrfS(MN(R,s> .. TJoPLCTStR•T>• fS<MO<SJrT,JrH~<TStP.oT>rTS(S,TJ},. ~ISTTPl(RrMOCSJ.TJ.ISPLZCTSCHO<SJ,f),.

M J (T St S • T> >r TS < R,. i >,. SA T Z 1 9 7 A CS • T > ) ) OlSTTHZ :: SUZZ02 OISTl1T1 :: SPU SC RE Al" TS< KN(I!,S ),. T hKNHSU.o Th

TSCS .. Tl> .. OJSTT~l) DISTMT Z := S'rHI S\ REAL,. i SOh MIH s, T) ),.MN<TS<R•S ),.

TS(R,.J)),.OISTTHZJ SA TZZOO := SArZZ02

CZIT; CH:HJRECa,SJltP:PCSCTll

M ;

H4RZOJ

11 :il

•lt!l2H

H a

p a

I OI

N ~

Tl :: SATZDZ03~CA2•BZ•C2• HOqEEXtR .. s .. Az,.az,.AtiR .. B2tS .. H), POSEXCT.C2•C2IT,Pl)

TZ :: MORE IN(TS(R, ThTSCS• T),.To<Az,.cz>,. TO(B2•CZ>,TICTtR•f,AZ•CZ•~ZlP.,.CZITJ.o rtcrcs .. r.sz .. cz.szis .. cztr> .. Tl>

[H: MORE CR• S> lt P: POS<T 1 l SATZZ03A := REALAPP3CHORE(TS<R•T>•TSCSof)),.[X:Ditl

tY:Oifl[Z:OifJ[U:INN(X.ClASSCRJ)l tV:tSN(Y,.ClASS(S)ll[W:ISNtz,.ctASSCTJll rz•.4R2D3•cx.v .. z,u.1.w~M .. P>J

ruucr..o> 1 SATZZ03B := TRISZCREAL~TSCR,.TJ,TS(S,TJ,.o,.

TS02(R,.T~IJ,TS02(S•T•I>l

[N:NEGU)] n := SATZOZOlC<Az,az,cz,

MOREEXtR•S•AZ•BZ•A!IR•BZISrH), I~EGE XCT ,cz, C 2IT,. N) >

H == LESS INCTSC R• T>, T SC s .. Th TiH AZ• CZ),. TiHB z,c 2)., TIC HR • T ,A z, cz,,,ziR,.C2IT }, TICT{S•T•BZ,cz,.aziS•C2ET>,T3>

tHU4EG(T U SATZ20 JC := REALAP?3ClESS~TStRrT>,TS<S .. TJ),{X:OIFl

CY:OIFJ[Z:OifJCU:!N,lX•CLASStR)ll tV:INN(Y,CLASS{SllJ(~:INN(Z,.CLASS<T>ll r••.4R2o5•(x.v,z.u,v.~.~-~,,

SATZ20l!l := ISMORE12CTS<R•T),TSCT,RJ,TSCS,T), TS(f,S),~OHTS<R•T1•CG~TS(S?f), SATZZOJA J

SATZ20JE :.: TRIS2<REAL•TSCT,RJrTSCT#SJ•O~ rsou:-.R .. ! i• rsour.s,r n

SATZ20Jr ·- ISLESS1Z(TSCR.Tl,fS<TrR:.rstsgT)•

: IStPLH S(ft,. Th TSt S•T)) ,.rst PLt R• SJ. TJ J

lS<'PLH SCP., S ),. T S<R• T)),. T SC RoPLt s,. T>))

lS{fS(R,.HNCS,.TJJ,.HN(TS(R,.SJrTS(R,TJJJ

lS(fS(MNtR .. SJ,T),.MNCTS<R.TJ,.TS(S,TJ)) IStTSt~•HHCS .. iJ),MNCTS<RrSJ•TS(R,.f)))

: lS(HNtTSCR .. T)rTS(S,f)),.TSCHN(R.oSJ .. TJJ

IS04N(f S<R• S h TS(R,. T)) .. TSt RrHN( s,. T))) ISCTSC~rHNtS•il);HN(fStR•S),.TSCR .. TJ))

s

MORED<T DU2 ,.cz),. TDC BZ.o CZ))

$

MORECTS <R• T ) , TSt S• T))

: ISCTSt,,.f)•TSCS .. T>>

$

LESSOCTDCA2,C2l•TCCBZ.C2))

lESSUS CR .. T },.fS(S,T))

$

: lESS<TS CR•T J,rscs .. r )) - 4.84-

HOREOS CT,.R),.TSCT,SU

; !~HSU .. RhTS(T,.SH

Page 87: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

TStT•SlrCOMTS<RrT)•COMTStS.T>• SATZ203C J LESSUS n rR ),fS(T ,s))

T ; tt:LESS<R•S>ltP:POStT)f SATZZ03G := LE!oii'M HTS< s,. T hT Slrh T ),.

SATZ203AlS•R•TrlEM~A2<R~S•l),p)) LtSSC T5 <R• Th TS<S• T)) l ~ c::tsn.on

SATZi?03H ·- TRIS2(REAL•TSlR•fJ,.TS!S•T>•O• TS02lR,T,Il•TSC2<S•T•il)

L a t!HNE5<f Jl SA TZ2JJJ := tEMMA2<TS(S,T),TS<R,T).

SATZZOlCtS•R•f•LE~~AZtR•S•l>•N>> p ; SATZZ!HK := LEMMA1CTStT.SJ,rS<!,Rlr

SATZE33DCS•R•T•LE!~AZCR•S•L>•P)J I il SATZ~Hl := TRISZ<REAt.rscr.P.:.rscr.s>.o.

_TSOlCT•R•Il•TSOltT•S•Il) N ; SATZZ03!4 := tEKMA2CTS(T,S),TS<T•R>•

SATZ203fCS•R•I•LEMMA2CRrSrl)rN))

AOIR a (NltNISCR•O>J Tl :a TH3•t.IMP•tZEP.O<AO)•IS(Rr0)•N1•

CT:ZEROCAO>lCIGCT>> 03IU a [Nl:NlStS•O>l[I:ISCTSCS,J),Rl1{J:ISCTSCS.UlrRll

TZ :: SATZ0204BCA3rS3,T1CSrB3,.8JIS•Hl)rC3, 03~ISEX<TStS,TJ,~,TDC3lrC3),A3r TlCiCSrTrBl•C3,B3IS•C3ITJ,A3IR,I>• ISEXtfS(S•U>•R•TO<Bl•Dl)•Al• TICTCS,UrS3,03r83IS•OliUJ,A3IR,J))

T3 := ISINtf•UrC3•03rC3ITr03IUrTZ>

NOH ZER O<AO J)

: EQ-RP'"t C3r03J : I S<T • U)

Sa [N:NIS(S,Q)J[X:REAll[Y:REAtJ(I:ISCTSfS.X),R)l[J:IS(TS(S,Y),Rll SATZ204B :: REALAPP4CX•Y•IStX•Y>r[Z:OifJ[U:Difl

BllS a CNl:NIS(S,Oll

tV:OifJ(W:OIFltZI:IHN(ZrCLASSCR>>l [UI: INN(U•CLASSCSJ)][1I:INN<V•CLASSCX> )J[WI:INN(W,CL~SS(Y))1T3•.4R204•(X,Y, z,.u, Y ,lhZI •U ! .. VI ,WZ,l'b I, J >J IS (X,. Yl

T4 := SATZ0204A(AlrBl•T1CS•Bl•BliS•NlJ) SOHE•L•tDif•(X:DiflEQ•Rp•(fOCBl•X>•Alll tA:OtfJ[E:Eo•Rp•(TO<Bl•A>•Al)l AR :: REAton AJ : REAL T5 := IS!NUSCS,.AR ),R,T0(81,.AhA1•

TICTCS,.AR•Bl•A•81IS,!NNCLASS<A),,.A1IR• E> ISCTSCS •ARhR)

T& := SOMEI(REAL•(X:~EAlliSC!S(S,.Xl.R),AR• TS> : SGME((IC :REAlliS<TS(S,X),.R) J

Nl i1 T7 := SOMEAPPCDIF,[X:DIFl(Q•Rp•(TOtBl,X),Al) ,14, SOME([X: REALUS( TStS•O•RHr (X:OlF1tT:(Q•Rp•cTDIBl.XJrAlllT6(X,.T)) SOKEC[( :REAlliS(TS<S,X),R)J

s

s

•4R2J4 S

N ~· SA TZZOU

SA TZZ04

:= REAlAPP2(SOMEC(Xt~EALl!S<TSCS-X)rR))p {X:OIFl[Y:DifJ{T:INNtX~CLASS(RlJl [U:INN(Y,CLASSCS>JlT7•.4RZ04•(XrY•T•U• N})

:= OR[[(REAL,[X:REALJISCTS(S~X'•~). SOME((( :REAUIS(TSCSrX hR>)

- 4;.85-

Page 88: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

[X:REALJLT~KL~LJ1ili~ll~~5•~J•~JJ

(U:IS{TSCS.YJ.R)l5ATZ2348(~,y,r,u),

SIITZ20U J or~Et ex: RE!\L lt'itTS<SrXhRH ov :a IND(REALr[X:REALliS<TSrS,XloR)r

SATl20'•) RE Al,. SATZZ~4C := ONEAX[REALrtX:aEALJIStTS(S,X),ft),

SATZ204l IS<TSC$ •OVCR .. s,NJhRl SHZl!OitO := S YMI S< ~EAL.• T S (5, OV (R,. S • Of)) ,R •SAT Z201t C) ; lStR,TStS,OVtR,S,.N>>> SATZ204E :a TRIS<~EAL•TS<OVIR•SrN),SI•

TSCS.OYCR,S,NJJ.R,COHTS(OVER.S,.H>rS)• SAH204C> IS (TSO V<R• S•N> •ShR)

SA T ZZ!HF' := S'i'HI St RE~L.• TS< CV <R• s,.N hS hP..SATZ204 El IS<It• TS (QV( R.s, N>.S H s a [X:REALJtN;KIS(So011CI:ISCTS(SoXJoRJJ

SATZ2HG ::: SATZ<049{N.X,OV{R,SrN).I,SATZZ04C(N)) ISU.OI (R,SoNU s ~ (N:HIStS .. Oll(P:PQS(~)J(Q:PQS<SJl

U/t~l!'t. $

H 2 !tOS := oveR. s .. 1n REAL ? a T8 :::: ISPOS(RtTSCS.ROSJ .. SATZZ040(Nl?Pl PCSCTSt S•ROSU Q ~ T9 ·- THl"L·A~J*(N(G(S}rNEG<ROSJ,PNOTN(S,.Ql) NOT<ANJtNEG<S>*NEGCROS)J)

TlO ·- OREltl~DCPOS<Sl•POS<RDSJ),.-NOCNEGlSl• NEGtRCSJJ .. SATZl96G(S,.ROS,J8),.T9) ANOCPOS (S),.POSCRilS))

•4RZ)4 s

Q a POSO,PP := ANOEZ~POSCSJ,PDS<OVCR~S,Nll• T10 ... 4R204 .. l : POS<Ovt R•SrNH

l" ; tiUNEGCS)]

+*4R234 $

H ~ TU := TH1wl.AN&•CPOSCSJ .. PDS(R0Sl.NNOTP(S,.M>l NOTtAN3CPOSCS);PQS(R05))) UZ ·- OREZCAN~(POSCS>•POS<ROS>l~ANOCNEG(Sl•

NEGtR0S)),SATZ196GCS·ROS,T61•Tlll ANOtNE:O CS h NEG(RIJSJ J

•4RZ)t. s

" a NEGOtPN ::: ANDEZCNEG(Sl;NEGCOVCR•S•Nll• TlZ ... 4R204 .. } : NEG( OVt R,.S, NU

N a tH:NEGCR>ltP:POS!S1l

H4RZ'4 s

" a f13 := IS~EGCR,TSCS,ROS),SATZZ04DCN>,HJ : NEGCTS( S .. ROS)} p a T14 == THl•t.AND•(NEGCS),POSCROS),PNOTNCS•Pll NOTCANlCNEGCS>•POSCROS))J

f15 := ORElCANO!PCSCS)~~E~<RCSJ)•AND<NEGCS), POS(~GSll•SATZl9GHCS•ROS,Tl3J,Tl4) AND<POi(S)•NEGCROS))

•4R2:14 s

p ~ NEGOVNP ::: ANDEZCPOSCSJ,.NEGCCV<R,.SrN)),. ns•.4R204 .. l : NEG<OV[ R,s, N))

K ~ tl: NE:GCS)]

u6RZ:>It s

L a T16 := THl•t.A~o·cPOS(S),NEG<ROSJ.NNDTP(S,LJ) NOTO.NJ CPOSCShNEGCRO;Dl) - 4.86-T17 :: OREZCANOCPOSIS},NEGCROS>J,ANDCNEGCS)~

PCS(R0SJJ,SATZ196H(S,ROS•Tl3)·T16> ANDCNE~<SJ,POSCROSlJ

•t.R2l4 s

Page 89: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

L i POSOiNN :• ANDEZOlEG(SJ .. POS<OVtR,s .. NJ),. Tl7'".4~204•) : POSCOVCR~>S~>N»

a tRO :CUT ][SO: CUT]( lU MO?.F.:,.RP,.( ?.lh SO):: MtJRBPEP ;:: t~CaE HHf'Of"RP< ROl ,.ptJfï'lil'( SO hP!)Of'RP(RO h

P00f~PCS01r!NNCL4SS<POOfRPCR0)),. INNC~ASSIPD3fRPCS0)),. MORERPEPJCRO~SO,MJJ HORE<Plf'RPCROJ•POFRP(SOJJ

SO; tM:MORE<PDFRP<ROJ,.POFRPCSOJJl ~O~E~PIP · := MCRERPIPD{?O~so .. MOREEX<POfRPCROJ,

SOa tt:LESS•Rp•(RO .. SOll

PO~R?CSOJ.PJDFRP<RQ),.PDDf~PCSOJ,

lNNCLASSCPDDfRP(RQ)),. IN!I!Ct.A S.S C ?iHlfRP( SC) h 1-1>.} HORE"R!IO .. <RO ,.so)

lESS~PEP := LEMMA~CPCfqpcs~l.POfRP<RO),. HCqERPEP< SO• P.O .. SATZlZZ< RO, SO•L))) : LESS<Pl fRPC ROhPOfRP(SO))

S3 a tL:l.ESS(POfRPCROJ,.pOfRP<SOl'l LESS~PIP :: SATl121(SO•RDrMORERPIPCSO•ROr

. LEMKI.20"Ct"R?<RO),P0fRPCSOJ,L)}) : LESS•R!IO .. (ROrSOJ S ~ CP:PDS<R>lCQ:POS<S)l(H:MOR~CP. .. Sl] 0 iJ Of: MORE( Rr S) l

•IYR5 S

•IVR5

•IVR5

+5R2l5

·sn:1s

Tl := ISMORE12(R,POFRP(RPOFP(R,P>>•S• POfRP<RPGfP(S,Q)),JSPRPlfR,PJ, ISPRPHS,.Q>• MJ

MDRE~ERP :a MOREP.PIPCRPOFP(R,PJ,RPOFP(S,.QJ,. Tl ... IVRS•>

0 ; [M:KORE•RP•CRPOFPCR,.p),.RPOFP<S•Q))J

" a rz

M a KOREf'IRP

Q a tl:LESS(R,Sll

:= ISMORE12CPOfRP<RPOFP(R,.P)),R, POfRP(RPOFP(S,QJ),S•ISPRPZ(R•Pl• ISPRP2<S,.QJ,TZ•.IVR5")

LESSPERP :: SATZ121(RPOfPtS•O>•RPOfP<R•PJ, HOREPERP(S,R,Q,p,.LEMMA2(R,s.L)))

Q a (t:tESS,.RP•tRPOFP<R•P),RPûfPCS•Q))J LESS?IRP := LEHHAl(S,R,MOREPIRP(S,R,Q,p,

SATZl2Z<RPOFP(Rr?),RPOrP(S•OJrlJ)) R a 501 := SETOFlREAL,CX:REALllESSISCX,.RJ)

SOZ :: SETOF'tREAL,[ X:REAUMGRE<XrRJ)

S a tN:NQTtiNCS,.S01Jll Tl := TH3• L. IMP"{ LESSISt s, RJ..lH ( s,. SO 1) ,:~,

[T;LESSIS<S,R1lESTI1CREAL,(X:REALl LESSIS<X .. R>rS•Ï)}

TZ := ESTII<REALr[X:~EALJHORECX,RJ,S, SATZl67K<S•RrT11j

: MORE<PJfRP<RPOFP<RrP)),pOfRP(RPOFP{SrQJ))

: MllR[ .. R!IO •tRPOFPt:RrP),.RPOFP( S,.Q))

: MORE(PlfRPCRPOFP<R,.pJ)rPOrRP<RPGFP(S,Q)))

: MORE<Rr S>

: tESS<R• SJ SC:T<REHJ SEHREUJ

s

s

$

s

s

- 4.87-

Page 90: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•5R2l5

• '5?.Z~ 5

HSR235

vaoo

R OI T3

?. a V301A

R ;a T4

T5

R a VBOlB

:: t~:REilltT:~QT{INC~,SOll)l i2'"•5~205"'UrTJ

:a ESTI HREAL,( X:.REAL llESSISUrR ).R .. lESSISIZCR.R,REFISCREALoR}ll

:• lSMOREZtPl<R,O>rR .. PLCRolRL>• PlOZ(R•O .. R(fiS<REAL•O>l• SATZ1S8K<lRL .. OoRoSATZlS9AC1RL .. POS11)J

:: ESTII!REAL,(X:REA~lMORE<XrRloPLCR,lRL> ,U)

·- NONEMPTYI(REAloSOZoPLCRolRLlr T5"'. 5R205")

S a ti~INCS .. SOl)l[T:REALltJ:tNCToSOZ>l T& := SATZ172ACSrRoT,ESTIECREAlo[X:REAll

R a vaoz

s a (l:LESS (5, R> l V BOlA

s a CM: MûRE<S• Rl l VS033

R a Sll 512

S a [NtNJTCINtS,S11)1l

LESSISCX .. R>•S•Il•LEMMAlCT•R• ES TIE< REALo [ X:REAL JHORE<X,.R h T oJHl

:= [X:REALltT:INCX•SOl)l[Y:REALJ(U:IN<Y• S02)JT6".5R205 .. { x,T" y., U J

·- ESTII<REAl•(X:REAlllESSISCX•Rl•S• LESSISil(S.,R,L>>

:= ESTIItREALr[X:REAll~ORE(X,RJ.S,M) := SETOftP.EALr{X:RE~LJLESS(~,RJl := SET OF' (REALo (X :REAUM!JRE IS U .. R))

T7 := TH3wl.IMP•<LE5S\SrR),IN!S1S1tl,N, tT:LESSCS•R>l~Sflt<RE~L,tX:REALl LESSCX.RJrSrT>> ·

TS :: ESTII<REAL,[J:RCALl~OREIS'X•R)•S•

R a VBlO

R ; T9

SATZ167F(SrR•77l)

:= {X:RE~LJrT:NOTII~<X•Slll)J T3 ... 5Rl05 .. <XrH

: All( [URE AL lOR( IHtX .. $01 ),I NU.SOZ H)

: NONEMPrY<REALoS02J

: LESSCS .. TJ

: ALLC tx: REAL HT: UICX,SOl) l- LU tY: REAL 11: U :I lH y, 502)] l.ESS(X• Y)))

: IN<S•S3 2) SEHREAU SEHREAU

: NCHLES S(S,RJJ.

s

s

s

s

s

- 4.88-

$

Page 91: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•5RZ)5

H5RZl5

•5R2l5

H5RZQ5

"'5RZlS

uiYR5

•IVR5

no

R ; V811A

R ; TU

R a vsus

rLU~\~pU~~~r 1~~n~AL~UII#

SATZ188K(~'ClP.L>rO~R•SATllG9C<MCC1RL)• SA TZ!7&.\ :lR~,PCSU ))) Lf:SS(!tf <R .. tRl)..R}

:: ESlfi<REAL•[X:REALlLESSCX•R)•MN<~•lRLl , T9) : INCKNU •lRL ),.Sll)

:: NONEHPTYI<REAL.,Sll,MN<R•lRl), TlO•. 5R20S">

:• ESTII(R~AL,.[X:REALJMORI!IStX•RJ•R• MORE!SIZ<R•R•REFISCREAL•Rl))

N!JtfEMPT Y (RE At, S 11)

S a CI:I~tS.S11lltT:REALJ[J:IN<T•S12)l T12 :: SATZ17ZB<S•R*T•ESTIECREAL•(X:REALJ

R a V812

s a tt:L~SS<S•RJl VB13A

s ; [!i: HJRE(S,. lUl· vsua

a ZRL PllS2 HALf POSHALF

R a u

lESS{X,.R)•S•!>•SATZ168A<T,R, ESTIE<REAL•(X:REALlHDREIS<X•RJ•T•J)))

:= tX:REALl(T:INCX.SllJlCY:REALJ(U:IN<Y• S1Z>lTtZ•.SRZ05"<X•T•Y•UJ

:: ESTIICREAL,(X:REALlMOREIS<X.R>,.S• HOREISil(S,R•H>J .

:: PL(lRl•lRll := POSPl<lRl•lRlrPDSl.POSl) := 0V(lRL•2RLrPNCTO<ZRl•POS2J) .- POSOVPPClRt,ZRL.PNOTOC2RlrPOS2J,POS1•

POSZ J

:: TRISCREAL,Pl{R,.RJ,?LCTS<lRL·R>• TSClRl•R>JrTS<ZRl•Rl• JSPL12(R,TSC~RL,R>•R•TS<1RL,R),

SATZ19SC<RJ,.SATZ195C<RJJ, DISTPTl<lF~.lRL•Rl)

:= TR4IS<REAL•TS(HAlFrPl(R•R>)• TSCHALF,TS(2RL.R)l,TSCTSCHALF,ZRL),.RJ, T Sn RL .. R hR• !STS2( PLOf, R), TSO! RL "R>• flALf,.ï3J,ASS!S2CHALf.ZRL•R>• ISTS1CTSCH4Lf•2RLlrlRLrR, SkTZ2~4E(lRL,ZRL,PNOTC<2RL,POS2))),

SAfZ195SCR))

LESStS• n

: ALLC[X:REAlltT:IN(X,.S11)lALlCtY:REAL1(U:INCY•S1Zll lESS <x,. Y J i>

IN<S,.SlU

IN<S•Sl2J REAL

: POS( ZR'-) REAL

POSCHAi.. n

s

s

s

s

s

s

- 4. 89-

s

Page 92: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IVR5

•IYR>

L a TS

l a lEM!1A3

L a r:,

l a LEK~A4

tP:P::sun

:a SATZZ03K(PL(R,RJ,?L<R~s>.HALF'• SATZ188MCR•S•?.,LJ~POS~Atr-;

:a ISLESS1CiSCHALf,PL(R,RJi~P.• TS(~ALF•PL<R•S)J,T4•.:vR~·.rs·~IVRS•)

:: s•TZZJ~XC,L<R•Sl,PLCS.S>•HALF, s~rztB&f<R·~~S•L)•POSHILFJ

:= ISLESSZ<TS<HALF.Pl(S,S>>•S• TSCHAlF•PLCRoS)J•T••.tvRS•CS>•

LE'41f.\5 : .. SATZl61B(S,.TRMORECS,R,-O,LEl4!>1A2CR,S•L h

: LESS(Ti (HALF'•PL(Ib•S Jh TS(I!ALF •PLCS•SH)

SATZ1ó9ACR.PJ)) POSCS) a tS1:SET(REAL>ltSZ:SET<RE~L}

l(PO:ALL<tX:REALlORtiN<X•Sl>•INCX•S2l))J[PlA:NQNEMPTYCREAL•SlJ J[Pla:NOV!EMPTY<REAL•SZJ l CPZtALLC[X:REALJ[T:I~CX.SlJJALL<tY:REALl[U:INCY,SZJlLESS(X,YJ)) ]

SZ a tiU REAL l PROPl := AllC[X:REALlCT:LESS<X•R>liN(X•SlJ) PRCP2 :: ALL<CX:REAllCT:KORECX,RlJINCXrS2)) PR!J!"l ::: A'i::J(PROPl.,?ROP2>

P2 a tX:REALltY:REALltPX:PRCP3CX)][PY:PROP3CY)][L:LESS<X.Y)l KXY := TSCHALfrPl{X,Y)) T13 ;: LEMMA2(X,.MXY .. lEMMA3U,.Y,LJ) T14 ::: LEIH!A4<X•Yrl) T15 :: <Tl4HMXY>AN:>EHPROPHYhPROP2(Y),PY) f16 :: <T1l><KXY>ANvE2CPROPl(X),pROP2(X}~?X) TlT ;: <T1G ><>;XP<T 15><MXY>P2 T18 ·- <REF'iS(REALrM~Y1>EC3E31<IS<MXYrHXY)r

HORE(MXYrMXYl .. LESSCKXYrMY.Yi• SATZ167BtHXYr~XY>•T17)

PY; T19 :: tT:LESS<XrY>lT!B<T> TZO :: [T:M()~E<X•Y>JTHU:Y,XrPYrPX•

lEM ... \1 C X• Y,. T)) T21 :: ORJ<:H ISCX• YJ, HORE \X• Y hLESS<X• Y>•

SlTZli7A<XrYbT20•Tl9J PZ ; T2Z := EX:REI'.LHY:REALHT: PROP3(U]

[U:PRCP3CY)JT21CX,T•T•U> [tASEt:SGHE([Y.~REALlANDCPOS(XJriNCX•Sl))JJ[RtREAL l(A:AND<POStR>•IN<R•S1))J TZ3 := A:':J(H?CS(Rl~Ii·lU~ .. Sl ;.;n T24 := A~~E2t?OSO!hHHR,S!hA)

. SCl :::; 5ETOrt\:l!T•[iPCi.HJIN(PCF~PO:hSl>J SCZ := SETCfCCUT~rx:C~fli1tPC~RPCX>.SZJ) tRO:CUTlti:INCPOFRPCR~1.S1Jl T25 :: ESTtHCUf,(X;.CUTlPHPtJfRP<Xl•SlhP.O~>I>

RO ; [I:IN~RP•CRO.SC1Jl TZG :" (Sr!~<CUT.oO::C!JTl!NC!'!JF'!!"('O•SU .. ROd>

: 'PROP' : 'PROP'

'PRJP'

REAL : KORE<MiCY,lO : t.ESS(H( y,.Y)

IN<KXY.o 51) : INOlXY• SZ>

LESSO!X Y .. lfX'rJ

CON NOH U:S SU .. Y))

flOTO!OiH (X. Y))

: Isu .. n

AMO~E(~ EAL• U:REIIl.lPROP3U H

PCStR) IN{",.Sll

: srrccur, :>(TC Clif )

!~HPOF'~i'(R~hSl)

s

s

s

-4.90-

Page 93: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

~0 ~ ti:I~lPDfRP(ROJ•SZJl T~T := ESTlHCUi,. [X:CUT JIN(f>Of'RP(X),SZ) ,.RQ, I) : IN•RP"[ RO ... SCZJ

RG ; Ct:IN"RP*(RO•SCZJl T26 := ESTIE<CUT•~X:CiJT :!N{f>ilF"RP<XhSZ> .. RO, t} : IN<P'Of'RP(RO J.SU

RO ~ T29 :: iH9"t.o~w<IN<?CëR?CROJrSl). INCPOf'R?(RO>•SZ>•l~"RP"<ROrSCl),. lN"RP•CRO,SC2),<POfRP(~0J>PO, er: I~C!'GfRPC ROhSlJ lTZS< Th (f:! ti{ r>QF'RP< RC h S2 J JT2·7<T 1 J OR <IN"~ P•<RO .. SCl J..IN .. RP•<RO .. SCZ»

A ;: ~>Rl :: RPOfPO:. '!'Z3> CUT T30 := ISPtRZS.!..,!X:R:':AlJI!HX .. S1hR .. PCf'RPtPR1l

,rz4,1S?~Pl<R•T23)l : IN(P0f~P<PR1J•S1) T31 := NONE:HPTYr(CUhSClrPP.hT25{?Rl,T30H N014EI4PTHCUT.sCU rs:R~ALlCI:IN<S•S2Jl 1'32 TH •st T34

:= <I><S><TZ4><R>P2 :: lEHMA5CRrS•T32.T23J := RPOFP':S•i331 := ISP< REAt.t x:~t:ALJIN( X•S2hS.POf'RP<PS1)

rlriSPRPl(S,T33l} T35 := NC1<t:r~?TYHC:.iT•S:z,pshTZHPSt.T34))

A ; T36 :"' NOIH:: ;'lf'TY:.Pi"( !\E:ALrS2o PlB• NC~EMPTY<C~T.SC2Jr[X:REALl[T:INCX•S2>l T 35< Xr Tl l

RO a CI:I~·RP•(RO-SCl)l[Sa:CUTlCJ:I~~RP•(SO•SC2ll f3T ·- <T26CSO,Jl><POFRP(S0}><T26CR0.t}>

<PCF'R?t?.Ol>PZ T38 := lE55~PlP(<::!hSO,T37l

A ; STC :: SCiîNITTCSClrSC2o[X:CUTlTZ9UJ..f31.,T36• (X:CUTlCT:IN~RP•(X,SC1Jl[Y:CUTl [U:IN~P.P•CYrSC2>JT36(X,frT•U))

T39 :: SATZP205ACSCl•SC2rCX:CUTlT29(XJrT31r T36rtX:CUTltT:!N"RP•cx,SCl>lCY:CU!] (U:IN"RP"<YrSC2JJT33(X,TrYrUll

T40 := SATZP205eCSC lrSCZr (X :CUT lT29C X),.T31, T3&,.[X:C~Tl[T:IN"RP•<XrSC1)J(Y:CUTl [U:IN~RP-CY•SC2>JT38<XrTrYrU)}

STP := POFRP<STCl Hl := POSI<STC> [S: REAL ][l :tESS( Sr STP J l[ P: POS( SJ l PSZ :: RPOF'PCS.P) T4? : = lt:SS R? IPt Psz,. STC" I SU: SS 1< s .. POFRP tPS2) •

STP,.!SFRPl(SrPl•LlJ Hl ::: <T4Z><PSZ>T39 U 4 := ISPC RE~L• t l(: REAL l IN< x, S 1 l" POf"RP( PS2)"

s,rz&CPS2•T43),ISPRPZ<S~PJ) l a [~:NJT(P0S(S))J(I:IN(S,.S2ll

H5 := <I><S><T24><R>P2 T46 ·- <LEI"IofA'5CR•S•T45rT2H>N

N a TH := OREHINCS,.Sl l .. HHS,S2h<S>PO,. [T:JNCS,$2)JT46<TJ)

L a T48 :: THl"t. IK?"'CPOS<SJ.INCS,Sl),.(T:POS<SJ l T44CTJ.[T:~OTCP0S(S))JT47CTJ)

s a t H: MORE ( s,. ST P) l '1'49 ·- lEHMA5!STP•S•lEMMAlCSrSTP,M),f41l ?Sl :: RPCfP(S,.T49l TSO == MORERPIPC?S3.STC,.IS~OREl(S.POFRPCPS3), STP.I5?RPl<SrT49>•M>l T51 :-: <T5Q><PS3>T40 T5Z ·- ISPCREAL,.(X:REALJINCXrS2irPûFRPCPS3),.

s .. TZ8CPSJ,.T51J,.ISPRP2<S•T49)) A a rs:s :.: ANniCPRG?1<ST?),PROP2{SiPJ.tX:REALl

tr n ::s so: .. ~r P) 1rt.E· n. r ~.ct:~<:: .\u

lESSCR• SJ POSC S l

: CUT

HHPOnP<PSl>,S2) NONEM?rY(CUT•SCZ)

: NONEKPfYCCUT,SC2)

LESS ( PJ FRP( RO) ,p(lfRP<SOJ 1 : tESS•R, •<RO .. SOl

CUT

t ALL"RP• ([X: CUT HT :HORE"'RP• (X,STCl JIN•RP .. <X•SCZJ) RE.At.

t POSCST10 J

CUT

: l~SS'"R" •tP$2.-STCJ IN .. RP•[ Psz,. SClJ

:

I!HS .. Sl)

LESS(R,. SJ CON

IN<S• St )

IN(S,.Sl)

PlJSCSl CUT

MORE,.R" •tPS3•STCJ iN"RP"C PS3• SCZ>

- 4. 91-

Page 94: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

[f: MORE< x, ST? l JT52( x. T)) PROl"! U TP) T54 :: sa~EICREAl.[X:REALlPROP3(Xl·!TP,T53) SGHE([~:REALlPRQP3CX>>

CASEl <! f55 :: SO)'.EAi'P( REA:,.,. (X: 1\EAL:#A"'lHPUSa>. IN<X.St)!.CASElrSGMEC(XIREALlPPOP3CI)) ,(X:REALl[T:~NCCP~S(XJoi~CX,SlJll T54tX.TJ) SOKE([(:REALlPR~P3(X))

PZ ; [CASEZ:SDHECti~~EAllANOCNEG(X)•lNCX,S2llll SPI := SETOF(REAt•CY.:REA!.lH1C!1~(XhS1l) : SEHRE,Ll SPZ := SETOF<?.EAl. ( lO~G:AllHHMO CX >•S2)) SEHREAU CR:R~ALlti:INCMOCRl•Sill TSG :: ESTI H REAL~( X:R'::Al.ll~HMOCOoSl hit.. I) IN(=t,S' 1J

R ; [I:INCR,SPlJl f57 := ESt'IE<REAL,[:{:REALliNO!lHlO"Sl>"R"Il IN<KO(~hSll

R ; tl:INC~~(RlrS2)l 'f58 :: ESTI H~EAL"i x:REALJ INCK0ClO•S2hR•I) INOhS' 2)

R a ri:IN(R•SP2Jl T59 := ESriE<REAl•O::P.Ef.lJINO!G<X> .. SZl"R'O IN<HOCl hSZJ

R 3 T50 := COMOR<tN<R .. SPll .. !N(R.SP2),

U: INC f(, S2 Jl T51

TS2 CAS5:2 a Tó3

R a ti:UI<R•Sl)]

TH9«:...c~~(!NC~O(R},Sll·I~<~OCRJ,S2>• INCR.SP!l•IN(R .. SP2>•<~Q[Rl>PO• tT:IN<HO~?.J.Sl)lTSG<Tl .. ti:lN("OCR)r$2) lT580)))

:: TSS\MO<~lriSPCQ,EAL,(X:REALliNlX.SZ),R, MOCMO(R))•I,SATZ177A(R)ll

:= NONttl?TYHREAl•SP2.M~(RhT61l := NDNEKPTYAPP(RE~L,S2,Pl9•

NONEMPTY<REAt.SP2),[X:REAtlCT:IN(X,S2J lT62(X., T)}

T64 := T560!0CR>riSP!REAt,.[lC:~EAllHHX,SU•R• HO<MO<R>>•I .. S~TZ177A(R)})

T65 := NONE~PTTICREAL .. SP1,MOCR),f64J CASE2 ; Tó6 := NONEMPTYAPP{REAt,Sl•PlA"

NONE KPTHi\EAl.., SP u. C X:REAtHT :ItHX,S 1 J 1T65<X,T))

R a [I:IHtR .. SP2lltS:REALJCJ:lN(S,.SP1)l T6T := <f59(R,!l><HOCR)>~T57CS~J)><HO(SI>PZ T&8 :: LEMXA1CS•R•SATZ183DCS.R,T67))

R a CA:ANDtNEG(R)•IN(R,SZ)JJ 1&9 ::: SATZ176C<R•ANDEHNS:!HRhlNCR•SZhAH T70 := ISP<REAlr[X:RE4Ll!NCX,S2>•R·K0(K0<R>l•

ANOE2CNEG(R>•IN<~•S2}rA)rSATZ177A(RJ) T71 :: ANOI<POS(MO<R)),IN(KOCRlrSP2>.T69•

T5SC t-!0(R>,..f7G}) T72 := S011E H REA!.,[ X:REAUANIHPOSU h

INCXrSP2}),~0{RJ,T71>

CASEZ ; TTl :: SOMEAPPtREAl•!X:F.EALlA~OlEG<Xh IN<X.S2))rCASE2,SOHEt(X:?.EAL1 ANO< ?OS{ X l • I !H.X• SPll) >. (X: RE AU tT:ANDlNEG<X>riNCXrSZlllT72CXrT)>

T74 := T55(SP2,SPl•[X:REALJT&OIX>•T63,T66• {lCtREALl[T:!NCX,SP2Jl[Y:REALJ[U:INCYr SP!>Jr&s,x.r.r~u>.r7J3

(R:REAt1tP:PROP3(SP2rS?l.RJltS:REALJfL:LCSSCSr~O(R))] T75 ::: lSHORE2CM0(MO<Rll•R•HOCSJrSATZl77~P.),

SATZ183C{S,HO(P.),L)} 176 •- <T75><~D(St>~NDE2CPROPl<SPZrSPl•R>•

PROPZ<SPZrSPl•RlrPI T77 :: ISP<RE;t!..•lX:REALJltHX,.Slht:OtHOCSlhS•

rS7(M0{S)rT76J•SATZ177(S>>

OR<INC~rSP2J,INCRrSP1))

: IN<HO<=! hSP2> NCNEHPiYCREAlrSP2)

: NONEHPTY<REALrSP2J

: INUIOU hSPU NONEMPT YCREAL,SP1J

NONEMPf YCREAL,SPU

: lESSCMJ CS)•KOCRJJ LESSCRr S)

POSCHO[ R))

: tNOtOn 0(R) J,sz)

. A :.JO( POS (HOC R Jl ..t NOIO( R >. S? 2)) . . : SOHE((( :REALJAN~<POSCXJ,JN(X,SP2J))

SOHEltX:REALJANO(POSCXJ,I~(XrSP2)))

SOHEIC~:REAllPR~PJtSPZ•SPlrXll

MOttE O!J ( S h 10

; INOlO<S hSPU

IN(S,Sl) ., (

- 4.92-

Page 95: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T78 :: ISLESS2<HOCMO<R>>~R·MO(S),SATZ177<R>~ SATZ183A(S .. MO(R),.M)} LESS<M3 (SJ..R>

!79 :: <T7S><Jo!IHSJ>ANOE!<PROP.HSP2;oS.?1,.R),. PROPZfSPz,. SP 1, P.h?) INOtOU hSPZJ

T80 :: ISP<REAt.,()I::Rë:At.liN<X,S!D .. MIHKO<SJhS" T59(MOCShT79hSATZ17HS)) IlHS .. S! >

P a T81 := ANOI<!'ROP10HH!HhPRQP2Cl-!0(Rlh tX:REALJtT:LESS(X,KO~Rlllf77(X,T),. (X:REALJ[T:MC~ECX.MO(R)llf80(~,f)) PROP3C~O<R)l

T82 := SOMt::iCREAL .. tX:RE.I.LlPRiJ?H)(~~)'!0(R),T61J S014E<t< :REALlPRGPJ<XU CASE2 ~ T63 :: SCMEArP<REAL,[X:RZAllPR~PJ(SP2,SP1,XJ,

r74,S~4E((I:REALlPROPJ(I)J,{X:IEALJ

tT:PRJPl(SP2•SP1,X)lT82{Xrf>l SOKE((~:REAllPROPJ<X>> PZ a CNOTCASEt: NOH S!lME HX: Rt:ALJAN\HPOS tx >r Hl< x, $1 J > > >

R il

J C MOfCASE2 :MOHSOH(( [X: REA Ll -\NIH NEG<Xl • IIH X• SZ) J)) 1 [ R: RE AL Ht:LESSU .. O}] T8~ := TH4•L.SCNE•<REALo[X:REALlANOCNEGtXJ,.

T85 · == T86 == tHUIJRE(R,.O) l i87 =· T88 :=

T89 :=

I N<X, SZ>) • NO TCASEz, R) NOH ANl CNEG( R), IN<R .. SZ))) TH3•L.ANv•<NEG(F.lriNCRoS~>.T84• SATZ1690(R,UJ NOHINt!hSZ)) CR!:lC!N<R .. Sl hlN(R,SZl,<R>PO,T65l : lN(R,Sl)

NCTC A Hl (POSCRh IN<R .. S1)))

NOT( INt R .. S1 > J : HHR•SZ >

NOTCASE2 a f90 :::

TH~·L.SD~E·(REAt,[X:REALJANOCPDS(X),.

INC~•Sl>>•NOTCASEl•R> TH3•t.AND•(POSCRJoiN{R,.Sl),.T87, SATZ1698(R,M)) ORE2<I~(R,.Sl),IN(RoSZ)•<R>POoT88)

ANOI<PROPl(Q),.PROPZ(OJ,[X:REAtl [T:LESSCXoOllT86{XoTJ,.(X:REALl tT:MURECX.OJJT69(Xri))

T91 :a NOTC,SEt 4 T9Z :=

SOI'EH REAL" t X :REALlPROP3( XJ ,.o,. T90) THl•t.IKP~CSOHEC[XtREAllAND(NEGCX),.

lNCXoS2l>},SO~E([X:REALlPROP3CX>>~

•5R2J5

P2 2 T93

T94

P2 ; SATZ205

DEOEKINO

[T:SUMECtK:REAllAND<NEG<X)~IN<X~S2)))]

T83{T),[T:NOT(SOMECCX:REALlAHO(NEGCX>• INCX,S2ll)lJT91tT))

·- iHt•t..IMP•<SOHEt(X:REAtJANO<POS<X),. INtX,SlJJ),SOMEC[X:REALlPROP3(X)), CT:SOMEC(X:RE~LJAND<POSCXJ•IN<X•SlJJ)l T55{!),{J:NOTCSOHEC(X:REALlA~O(P0S(X),.

IN(X,Sl)l)JJT92{T)l := nNEI<REAL,(X:REAllPROP3CXJ,TZ2,T93)

:= T94•.5R205,.

:: SATZ205

SCHNITT := INOCREAL,[X:~EAtlPROP3•.5RZOS•cxJ,. SATZ205J

(R:REAlltL:LESS(ft,.SCHNITTJl SATZ205A :: <L><R:JoANDElCPROP1".5RZ05•(SCKNITTh

R a [M:HORECR,SCHNITT>l

PROPz•.SP.ZOS•<sCHNITT), ONEAXtREALoCX:REftLJFROP3".5R205"(X), SAfZ2Q5) J

SATZZD58 :: <~><R>ANDE2CPRGPt•.sazos•tSCHNITTJ•

d rRo:curJcso:c~rJ

PROP2". 5R205 "( 5CHNI TT h ONEAXt REAl•( X:REAUPROPl'" .5Rl05• tX ), SATZZOS> l

PROP3<l) SOKE<tK:REAllPROP3(X))

SDME<t~ tREAllPROP3CX)J

SOKE<tX:REAllPROP3CX)) : CNEC[X:REAllPROP3(X))

: ONEt[X:REALJANO(All([Y:REALl[TtLESSCY,XJl!~(Y,.S1J>• ALL( (Y: REAL JtT: HOREn, X> li N<Y ,.szu)) GNE([X:REAllANOCALL([Y:RE,LJ(TILESS(Y,.X>l!~(Y,.Sl)),

ALLCtY:REALlCT:MDRE<Y,XJliNCY,S2))))

REAL

s

-4.93-

Page 96: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-IVA

•IYA

•IVA

DR os Tl

LEMMA IV Al

SO a TZ

SO a LEMKAIVAZ

:= P!>OFR?tRO> :: PDOi"RP(S!H := tE~MAIVAD1<P.OrSOl

:= ISINt?LCPOFRPCR0)PPGFRP(S0J)~ PÖ~RPtPL*RP~(~Q,30J),PD(PDOFRPC~O>, PL>Cfï\P( SO) ),. POOi'" P.P { PL .. R? .. <RO • SO) ), P!:PtFC,RP<Rvl,?OFRP(SO),pQQFRPCRO), ?O~fRP!SQ),lKNCLASS(PDOFRP!RO)),

INXCLASS~PDUFRP(SDll},

IN~CLASSiPaOFRPCPt"RP•<RO .. SOJ)), Tl"• I'lA'")

:= lEKKAIVAOZ<RO .. SO)

:= ISIN{TS{POFRPCROJ,pQfRP(SO)), POFR?,TS"RP•<P.O·SO)J,TOCPèOFRP<RO), POOFRP!SO>>,PDDF~P(JS•RP"<RO,SOJ}, TICTCPOFRP<ROJ,POfRPCSO),pQOFRPtRO> .. POOFRP{SQ),INSCLASSCPOOF~P(~Q)),

INNCLASS{PDOFRPCSQ))), IM~CLASS(P~UFRP<TS•Rp•(RQ,SOJ)),

TZ". Iit A• > [H:KORECPOFaP(ftQ),POFRP<SOJ)l

" a Tl :: MOREEXCPOFRP(ROlrPOFRP<SOJ,DR•DS• INNCLASS<OR>•INNCtASS(OSJ•M)

M Q LE"MAIVA3 := LEMMAIVA03(RO.SOrT3•.tvA•) SO a [M:HORE•RP•<RO .. SOJJ

M ; [L:LESSCPOFRPCRO>,POFRPCSOlll T4 := SATZ!Zl<SOPRO•LEM~AIVA3<SOrRO•

LEHMA2( PCF RP ( RO) ,POfRP{ SO) ~l}) J M a TS ·- EC3EZ3CIS•RP"(RQ,S0l;MORE~RP•<RO .. SO>•

lESS"Rr•{P.0tSOl~SATZ1233<RG.SCJ,Hl T6 :: THJ•t.IMP•(LESSCPOtRP(RGJ,POfRPISOJ),

LESS•RP•CRO•SOJ•T5•[T:LESSCPOFRPCROJ .. PO•RP(50J>JT4<Tll

T7 := EC3E2H I S"RP•t !":th SOl.. MORE .. RP"( RG • s;n, LESS-RP"(R0PSQ),SATZ1~3B<R~,SC),M)

T8 := TI-'J'"L.IH?"(ISU'UFR?tRO>•?OFRP{SOD•

M ; lEHMA!VA4

1S•R?~<RO,SOJ,T7 .. tTtiS!PU~R?\P.O), PûfRP<SOJlliS~PIPtRO,SO•T>)

: Dtf' Oif'

: EQ-RP•( I'D{OR .. DS hPDOFRPU'L •RP,.<RO • SO)))

: ISCPL (• Of'RP <ROJ..PCFRP( SO)) •POf'RP( PL'"RP.,CRO •SO)) l

: MOREDO R•DS 1

MORE"R' •cRO,. SO)

.lESS•R• '"(RO .. SOl

: NOH LES S'"RP"<RO,SOJ l

NOH LES S (POfRP<RO ),. POf' RP<SO) J l

: NIS .. RP•<RO,SOJ

: NI SC PO=' l\P (Î~ 0 J .,pQf'RP (50 )}

s

s

s

s

s

- 4. 94-

$

Page 97: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

HO~ECPDFRP{R0lrPOFRP(S0)), LESStPOf~?CROJ,POFRP<SOllr SATZ 1&7 A( P!Jf'Ri'( R:>> • POf RI'( SO >), r&·.rvA•,rs•.tvA·> : MORECP3fRP<ROJ,P0FRPCSOlJ

; [l(: !fAT ltY: NAT l t:H MORE< ?.LOF }lf(X )r Rl:.Ofi\T (Y l) J

H·IV4 s

"' 3 T9 := LE~MAIVA3CRPOfNTCXlrRPOFNT(Yl~H) : MORE~R»•(RPOFMTCXJrRPOFNTCY)) TlO := S~TZ!S4C<RTOfN(X,,RTOFNCYlrT9J MORE"RT •(RTOFNCXhRTOfN<n J TU := llG?.E E• RT" ( RT OF 'l{ X), P. TOF N (Y hf R ()(, 1 h

fRCYrll•I~CLASS"RT"(fR(X•l)}, I~ClASS"Rf"(fR(Y,l)),TlOl : MOREF<FR<Xr lhFRCY .. l))

•!VA s

M ; LEHifUVA5 :: SATZlllA(X,Y,.Ttt•.zvA•J : MORE•H• (XrY) y a tM:MORE"N"(X,Y)J

*'•I'IA s

" 2 TlZ == SATZUlD<X•Y•M> KOREf(F' RU•l hfR(Y,. lH T13 :a MORt: I" Rr•c RT OF' N< X >o RTOFN<Y hFRC X •l),.

fRCY,l>•I~CLASS"RT•CFRCXrl)J, IHCLAss~RT•CfR<Y,l>l~TlZ) HORE•Rt•<RTOFNCXJ~RTOFN(YJJ

T14 :: SATZ154ACRTOFtH X h RTOFN( Y h T 13) HORE: .. R» •(RPOFNH XhRPOfNH YU

•IU s

H a lEHHAIVA6 :: LEKMAIVA4CRPOFNT(X),RPOFNT(Y), T14•. IVA•> : MORE ( R'- OFHT< X) • RL Of NT< Y) >

a CRtREAll

•INT s

AOIR a U:INTRL(R)] n == INTABSD<AO.INTRLEXCR,AO.AOIR,I)J INTOC AJ SOCAOH TZ == I~TRLIH(ABS<R>•ABSOCAOJ•AICA,Tl) INTRLU BSCR))

•IP.:T s

ti: INTRUR)] INTABS := REALAPP1(R.INTRL<ABS(Rl),[X:DIF1

(T:INN(X•CLASSCRJ)lT2w.INT•<R•XrTriJ) : INTRLHBSCRU

ui~r s

I a T3 :: INTMOO(AO,INTRLEXCRrAO,AOIR~IJJ : INTDCM)OCAOH T4 i= IXTRLIN<HO<Rl,HDO<AOl•MICMO•TlJ : INTRU!fO(R)}

•INT

I a tNTM) :: ~E~LAPPl<R•INTRL(MOCRJ),(X:OIFl IT:INN(X,CLASS<RlllT4w.INT•<R•X•T•I>l !NTRL (14 0 CR H

••INi s

BliS ~ ti:INTRLCRJJ[J:INTRLCSll - 4.95-T5 == INTPO<A!•Bl•INTRLEX<R•Al•AllR•I>•

IN!~lEJCS.Bl•BliS,J)J : !NTO(P) Ul• BUJ T6 :: iKTRLIN(PLCR•S),pQ(A1#8l),p!cP,T5) INTRLPUR,.Sll

Page 98: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

H·I"'T

•INT

+IVR24

I ; tS:REALltJ:INTRL(S)l W'!'P!..

Ilif)tN

J ; T7

T8

J :1 IlHTS

R ; trHNATRUR Jl

i1 TZ

::: REALAPPZ ( Rr Sr INT RLCPL< !!• S l h (X :o Ifl CYtDIFl[T:I~NCX,CL,~StRJJJta:INNCTr CLASS(SJl!T6".lNT"<R•3•XrYrTrUrlrJ)J . : IHTRL($L(RrSJ)

:: INTPL<Rr!rloi~<S>riNf!'IOCSrJll : INTRL(tffHR .. SJJ

:a INTTOCA!·31rlNT~LEX<RrAl,~!!Rr4lr INTRLEXCS,SlrBliSrJJ)

:: INTRLIN<fSCRrS)rTOCA1rB1JrTitTrT7J

:a REALaPPZ<R .. SriHTRL<TS!RrSJ),[X:OIFl [Y:Oi~l[!t!NN(XrCLASS<R>JlCU:INNCYr

CLASSCS>>lTa•.INT~<RrS•XrYrTrUrirJ))

:: SATZZ4A< NTOfRLCRrNJ J := TH3•t.!KP"<MO~EC1RLrP.lr

MQq[•N•(lr~T~FRL(R,~>lr

SATZlODtl•NfOFRLCRrNJrTl>• tT:MGRE<1RlrRllLEMMAIVA5(1,NTCrRt<R•N> riSMGREZ<R•RLDrNTCNTOfRL(R,Nl)•lRLr

INTtl<T3 Ulr Bl)) INTRUf S<R• SJ)

: INTUU S<R•Sl)

ISRUHHR.oNhTJ)) : NOT(MO~EURL,.RU

s

$

s

·IVRZ~ S

SATZ~Z~ := SATZ1S7E<1RL•R ... TZ ... IVRZft'") LESSISt 1Rl.rR) R ~ C!:I~TRL<R>ltS:REALlCJ:INTP.L<SllCL:LESSCR.oS)J

+IVRZ5 S

•IVRZS

Tl TZ T3 H T3

SATZRZ5

a [X:NATl(Y:NATl

T1

TZ

:= SATZ16ZOCSrRrLEMMAZCRrSrL)) := INTMNCS.oJ.oR•!> := POSlNTNATRL!MN(S;P.),!t,TZJ :: SATZ~Z4C~~(SrR1rT3J :: TH!l"t.DR .. <LESSClRL.oMiHSrR)),

ISC1Rt•H~($,Rl)•LESStPL{1RL•R).o PLCMN<S,.3)rRJ),ISCPL(!RL ... R1rPLCMN(S,R> ,.RJJ,T4,(T:tESS(lRL•KHCS•Rlll SATZlSSf(lRt,MN(S,R),R,TJ, tT~IS<lRL•M~{S.Rl>JISPLl<lRL.oHNtS•R>• R,T>)

:: ISLESSIS1Z(PLt1RlrRJ•?L{R,lRL),. PL01N\ s, fU • f: l"' s. C:2."?U 1 Rt.• R) • PLMfH Sr R) •T5*.IVR25*:

:= LEHHAIVA 1C RPOf'NH Xl• R?Gf'NH Y H

:= ISRPEPCRPOFHTCPL•N~<X•Yl)• PL"R?•<RPOFN!(~)~R~UFNT<Y~>•

POSCMN(SrRJ> INTRL<!t fH S• R))

: NATRLC'fN(S,.RH LESSISt1RL•HNCS•R>>

IS(PLCRLOFNT(XJrRLOfNTCYJ)•POFRP{Pt•RP•<RPC<N!<XJ• RPOfNU '() H >

s

- 4.96-

Page 99: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•IVR155

SATZil155A

SATZU55S

' a T3

SATZ155E<XrY»

:= TRI SZ< REAL~RLDFNTCPL *N*(X,.'[)),. PL<RtOFNTfXJ~RLGrNTtY)J• POFR ?{ P!.. *P.P .. { RPOfNT< X l r.RPOF'NHYJ)) r rz•.ZVR155"rTl*.IVRl5S~)

:= STMISt~EALrRtD~NTtPL*N•(XrYJ)r PLCR~QFNT(X}r~LOFNT<Yl)r5ATZR155AJ

:: LEMMAlVA2<RPQrNTCXl,RPOFNT(Y)J

:= ISRPEP<R?CFN<CTS"N•(XrY))r TS"RP•CRPOFNrtX>rRPOFUT<Yl)r SATZl55f"C X rY))

IS<RlOrNTtPt•N•(XrYJJrPOFRPtPL~RP•(RPOf'NT())rRPOf'NT(Y)) ))

IS(iU.IP" NHPL•N .. ( Xr Y )), PLC'tLOF'NHXlr RLOF'NTC Y)))

• t IS<TSH LOFNTC X)" RlOFNT <Y)),. POF'RP( TS .. RP.,CRPUf'NTCICh

RPOTNTI Yl)))

IS CR LOF" NT<T s•N.,.( X• Y)),. POF'R P<TS" RP•( RPOf'NT ( lf > r RPOF'NT CY) J ))

s

$

•IYR155 S

Y a SATZ~155C := TRIS2(~EAlrRLOFNT<TS*N•(XrY)),. TSCRlOFNT<Xl .. ~lOFNT(Y)), POrRP<TS"RP*CP.POFNTCXl~R?GFNT{Y))), !4 ... IVR15s•,. T3"• IVR155 .. } ISCRlot NTns•N•( x. Uh TSUlOF'NTCXJ,. RLOF'NT< Y)) J

SATZ~155D := SYMIS<REAL,.RLCFNTCTS•N•cx~Y>J• TSCRlOFNTCXJ,.RlOFNT<Y>>•SATZ?.155CJ : IS(fS(~LOFNT(X)~RLOFNTtYJJ•RLOf'NT<TS•N•(XrY)JJ

a [TtRU!. JtR :REALl [StREAU[A:ANO( NOH NEG CR> h IS<TS<R,.fU.,. T>) ltS:AND<NDTCNEG(S)l~!SCTS<SrS),.T)JJ

+7R1S1 S

[CO:DIFJtCIT:I~~CCO•CLASS(Tlll[AO:OIFlEAIR:IN~(AO,CLASSCR)) J(BO:OIFJtBIS:INN<BO•ClASS(Sl>l Tl :: TH3•L.IM?•tNEGOCAOJ,NEGtRJ,.

ANDE1<NCTCNEGCRl>•ISCTS(R,RJ,.J),A)• CU:NEGiHAO>l!'4::GINOhAOrAIRrU)) : I',IQT(N~D<AOiJ

TZ := THl .. L. I!'l?·tr~EGOC B\»hNEG<Sl• AN~E!<NOT<NEG(SJ)~ISCTSCS,.S},.T),B)r

(U: fl EGO< 60 )J tJEGJH{ s,. B(), BIs,. U)) NOTC NE:i D ( 80 J> T3 :: ISEX(TS(R,RJ,.T,TD,AO,AOlrCO,

TICT(~,P.rAO,AO .. A4R,.AIR)rCITr A NCE ZC NOT <NEG( RJ h IS O'SCP.,R ),. T), A)) : EO""RP"( TOCAO, AO) ,co J

r~ := tsc:xcrs<s·sl.r.rotso.ao>.co. ïtCi(s,.s .. ao .. so,sis .. ais> .. ciT. IH:OE2(NOT<~ë:G(S))riS<TS(S,.ShT>r8)) : C:Q .. RP•CTDCSOrBOJ,CO)

T5 :: ISfN{RrStAOrSO,AIRr6lS, SATZD1&18(CO .. AC•SO•Tl .. T2,TJrT4J). IStR~S>

•7Rl61 S

SATZ1U51B

H7RlS1

:: RE 'lA?P3 ( r, R • S• IS< R'S >• rx :OIFHY:D If l CZ:OifJ[U:!NN(X,ClASS(TJ)J(V1INNCY, CLASS(RJJl(N:t~NEZ,CtASSCSJJl

T5•.7Rl&l•cx,.u.v.v,.z,~1> IStR,.S) - 4.97,..;

Page 100: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•7R1&1

H7R161

•7!US1

CU: NE~D~ CO) l NEGI N(T .co.c :T ,u)} : NOiCNEä DCCO)) C Ai): !Hf' HA: A ~0 (~OH NEGC ( 1\0 > hEO"itP .. <T:HA o~ A~ h CO>) l AR ·- REn Of( Aûi REAL T7 :: TH3•L.IMP"CNEG<ARlrN~G~<AOJ•

ANOE1(~0TCNEGO(A0)),~~·RP•tTDCAO,A01~ CO),A)r{U;NEG(ARllNEGEXC,RrAC, INÎ't.:USS(AOhiJ>) : NOT<NEii eARl>

T8 :: ISH!t'7:,CA.R.AP.hT,.TtHAO .. AOhCO,. TICT<~~~A~•AO~Ao.:NNCLASSCAO}*

IN~CLASSCA3J>•C!TrANQE2CNOTC~EGDCA0)), E<i"'RP,.<TD< AC •A'l) •CO bAl) : I SU SC\ R•AR ).-Tl

:: ASOltNOT!NEG<AR}}•!StlS[ARrAR),Tl•T7, T9

T10

en :~ ru

Tal .\NO( NOT UI EG <AR>) • IS(TS <AR• AU• T)) :: SOMEI<REAlrtU:REALlA~DCNOT(~[G(U}l•

IS<TSt<;,:J>,T>hA1hT9) : SOMECU :REALJAND<NCTCNEGCJ H•ISUSCU,.UhT)))

N ~ SATZU61A

SATU161

SI}RT

N a 112

N :1 THSCHfTlA

THSQltflB

:: SO~E~PP(JiF•[X:OIFlASO(N0TtNEG3CX)J,. EO"RP•(j~{X,X1rCOll,SATZD161A<CO~T6)• SDMECru:q[AllA~JC~GTtNEG<U>>• ISCTSC,;, Jh T n ,, tX:OIF'J [V:AIO!NDT(UEGDCXJ),[~~RP•tTDCX~X>•COJ )l uocx, 'i))

:= REALAPP1(T,SOHECtU:R[AllAND<NOTtNEG(U) )•ISCTS(U,U),f))),[X:DlFJCV:iNNCX• CLASSCTl)JTll•.7RlS1 8 (X,V))

:: ONEI <R[At, tu :REAUANtH NOH NEG( IJ)),. IStiSCU•IJ),i)l,[U:REAll(V:REAtl [A:AN~!NOT(NEGCUJlriStTS(U,U},T))l tB:ANOCNOT(~EGCV>>•ISETS(V,Vl•i))J SATZR1&18(1J,.v,Ar8),SATZR161A1

·- I~O<REALr(U:REAllAMO{NOTCNEG(~)), IS<TS(U,.U),TllrSATZRl&l>

: = ON:;: A X( RE AL• ( IJ:.RE AllAUlHNOHNEG<U) )p

rscrscu,u> .. T>> .. sATZR1&1>

:: ANJEl<NOT<NEGCSORT)l~IS<TS<SORT•SORTJ~ n. TlZ" .. 7R1G l"l

:: A~JE2<NDT(NEGCSQRTllriS<TS(SQRTrSORT>• 1'),T12'".7Rl6l .. l

(X:R(4~l[O:NOTCNEG<X>>ltl:IS<TSCI•Xl,Til THSQRfZ :: SATZR1&1S(X,SQRT,ANOI<WOT(HEG(I)Jr

ISCTSC~•X),TJ•O•I>•T1Z".7R16lw)

0 a tt:IS<T•TS<X,.XJJl THSORT3 := SYKISCREAL•X•SORTCT.N>,

REAL

NOHNE:HSO!H!l

IS<T S<S ORT, SORT ), Tl

THS~RT2{ SYMl S<REAL.-r, rscx, X) • I))) IS(SQRT (T • N), X)

~ [R:REALl!S:REALJ[N:NOfCNEGCR})][V:~~~(VE~<~lJl(!:IS!R•S>l ISSQRT :: THSQRT2CZ.DrSQ~T{R~NJ~:HSQRJ1A~R,I~

TRlSC~EAL•TSCS~?T(~,N~·S~RT<R,N}l•R•S• THS(fRTl!HR·Nl,.lll : ISCSQRf tR.NhSQRTC$,.0))

R; (N:N~T<NEGCRJ)J[~:IStR.O}J SQR:T) := THSQRT3( Rr N. O, O~OT N( (), ?.Eri St ~:::AL ,o.)),

TRISZ<REAL,R~TS(O.D,,o,I, TSO!( OrO • IU.:F IS C RE At, 0) n > IS<SQRr (R;IO •lH

$

s

s

-4.98-

Page 101: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

Tl

*SORT

SQRnOTO

:: TH!•L.IHP*CISCSQ~T(R,NJ,O)plS(~,O),Q, CT:IS(SQRTCR,Nl,O>lTRISl<REAl•R,O• TS(SQRT<R•Sl.SQRT<R•N)),THS~~ilBCRr~J• TSOl!!CRT<R•~>,SwRT(R,N),f))l

:: OR3E2<:SCSQRTfRrNJ.OirP~SISQ~TCRrNl)• NE~tS~RTCR,N>J,AX~~J(SQRT(R,~J),

THSGatlA<R••>•Tl•.SQRT•J

,··:·':~/"

POS<SOlf(i~,fO)

s

s

- 4.99-

Page 102: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

EINDHOVEN UNIVERSITY OF TECHNOLOGY

Department of Mathernaties

A translation of Landau's *) nGrundlagen'' in AUTOMATH

L.S. Jutting

Contents: chapter 5

October 1976

*} ' For an introduetion to and a discussion of the present work, see the

authors thesis (Eindhoven, 1977) : On verifying Landau' s "Grundlagen der

Analysis" in the AUTOMATH System.

, I

Page 103: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

L A N D A U

C H A P T E R 5

Page 104: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

H'O

-vo ·

+•110

-vo

L~TU~I tROM FILE: AUTQE/LANOAUIH5 CCTQSER 1!• 1778

n

N 4 TZ

N 'a lEKMAT

R ó! ("tr~!SCR.9U lt~MAd .

LE~M.49

R ~ :I:ISCR•M3C~>Jl

I ~ CP>PJSO:OCR)}) T3

. ~ CN:NEGUII)( Rl) l À

Tft

I <I LEKHAlO

R a LE14!1All

t.Et-:MU2

:= TRH 5{ RE\L~ T SCT ~ TS~R• OVC 5,.! ~ ~)) h TSCTS(R,DY(S•T~N>J-T),. TS(R,fSCGVCS,T,NJ.T)l,.TSCRoS), COHTSCT .. tS~R .. OVCS,.T .. N)))r ~SSTSl<R-OV<S•i,N},T), ISiS2(TSt?Vts,T,N),T),S,R,. SATZ2C4ECS,TrNll>

:= SATZ204GCTSC R .. SJ- T,. TS<R .. OVCSr T ,N) ),.N, Tl ... VO .. l : IS U Sn •OV( s .. T •Nl1• OV( TS(!t •Sl ,r ,.N))

:: TRISCREAL,TS(T,Pt<OVCR,TrN),QV(S,;,.Nl) >•PL<TSCJ,.QVCR,.TrN)),.JS(T,.OV<S•l•NJl),. PL<R.S>,OISTTPZ(T,.OV(R.T .. NlrOVCS,.T.NJ) •ISPL12<TS<T•OY<R•T,.Nll•R• TSCT ,.ov< S• Tó• NJ h s,. SATZZ04C(R,.T ,N),. SATZZO,ccs,T .. Nlll : ISCTS(T,.Pl<OV<R•T,.H),.QV(S•T•N)J),.pl(R,.SJJ

:= SATZZ04GCPl(R,SJ,.T .. PL(OV<RrTrN),. ovcs~r .. N>l•N .. rz•.vow>

:= SATZi04BCR"R"l\l"OV(R• R• Ni "lltl• SATZ204C[R,.Rr~J,SATZ195(R}J ISCOVCR,.R.Nl.tRLJ

:= ORE2<IS<R.O)o!SCOVC~.R.NJrO),. SATZ19ZC(R,CV<O•P.•Nl•SATZ204C(0•R•N>J• H) : ISc:JV(),R,t:hOJ

·- <ISNEG<R·~O<R:~I•SATZ175~<R•P>J> PNQTt;( M:J< R j, P 1

:= <ISP0S{R.~OCR),IoSAT71760{R,N)l> . HNGiP( MO!!Dr iO

:= SATZ17S[(RrGR3E1(!SCMOCRl,~J,?CS\~3{~i >•NEG{HO(RlJ,AX~LO<MO\~)~•tT:PCS(M,(R~ JlT3w.vo•(t),[T:KEGCM0(R)JJT4•.vo•cTJJ }

:: SATZ!67f(T5(R,~)·~o­TH3•t.I~P·<LESSlT3CRrR),.G~·~EG<TS(RrR)

),.NNEGSQ(RloCT:tESStTS<R.~)·O~; s .\'n: 1; ?O os! r.. Ri, r n 1

:: ~A~F<~•!S(TS(R,R),TS(A~S(R),AAS(R)JJ~

CON

co~

$

s

s

- 5.1 -

-----------

Page 105: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+SHIF"T

•SHIH

u SHirt

•SHIF'T

+~<SHIFT

tT:POS(Rl J SA TZ 196A( R• R" T, Th (T: iS(R,.O) lTaiS2CREit~TSCR,RJ.TS[A6S(R>,ABSCR>>, O,TS01<R,R,T),TS01<ASSCR},A6S(R), ~BSO(R,TJ)J,[J:NEG(RJJSATZ1968tR•R~T,

rn a (X:REAll[IX:tNTRLCXll[Y:~EALJCIY:!NTRLCYJJClY:L(SSIS<Y,Xll

Tl

TZ

T3

fft T5

SHIFfl tN:t TOCSHIFTU l

N a Hl T7 N2 T8

:: SATl190ACX,X,1Rt,o, HOREISIZCX,X,REFISCREAL•X)), SATll69A<lRL,NAT?CS(lRL,NATRl1J>)

:= ISMORE2\Pl{XrO>,X•PL(X,lqllr PL02(X,O,REFIS(ft[ll•0)),T1>

·- SATZ172DCPl(X,1RlJ,.x,y,.rz, ·-SATZ1683CY .. X,LYJ)

:: SATZ!82D<PL(X,.1RLJ,.Y,J3) ·- INT:4N( PUX •1RLJ, lNTPlC X• IX•lRL• INTRll >

,Y,IY) := POSI~TNATRLC~~(Pl{X,1RLJ,y),T4,T5J

::: NT Of !lUKNC PL<X, 1Rl J,. Y>.. T6•. SHtF'T•J

::o INr.-w•csHif'TL, N) := lTOPCSHIFTL•N) :: RLDFNT<Nl) := NATINTRL(N2.oNATRLICN1J)

N a SHIF'fR := MNtPLCNZ•.SHifJ•,.YJ,lRU INTS'HFTR := !NTKNtPLCNZ'".SHIFJ•,u,

INTPL< NZ•. SHIFT'".o T8'".SHIFT•,. y,JY'),.1Rl, INTRll J

(M:lJOCSHIFTLlllt:ISCSHIFTRCNl.SHIFTRCKJJl

N a T6A :: TRISCREAL.HNCPlCSHIFTRCNJ,lRL),.y), HIUPLC NZ .. Y). Y' Jr Nz,. I SMNH PlO!NtPL CNZr U .. 1Rl J.olRL),pl.( N2~Y h Y•PLMt«Pt.CNZ,.n,.

IS<TSU rRh TSUSStR h.IIBSc:t )))

KORE(Pi. (X,UL),PLCX,O) J

: MORE(Pl u,uu,u

HOR[(P~ (X,.lRLJ,YJ : POSO!N( PL CX •lRt h Yl)

INTRL(MN(PlCX,lRLJ,.Y)J : NATRUif N(PL <Xr1RL ).o YH

NAT

: NAT : LESSIS• N•U!t.SHIF'TL >

REAL : INTRt.nz>

: REAL.

: lNTilllSHIFTRJ

1RL)),KNPLCN2 .. YJ) : ISCHNC~lCSHIFTRCNl•lRL),y),NZ>

I a T9A

T10A

nu

I ·:1 ISESHIFTR

:: ISHN1CPLCSHifTRtNJ.o1RL),.pl(SHIF1R(HJ,. 1RLl,Y,ISPL1tSHifTRCNJ,SHlfTRCH),1RL• I>> : ISCMNC~tCSHifTRCN>•lRL),Y>•MNCPlCSHifTR(K>•lRL)rY>J

:: TR3tS<RÉAL~NZCN),KN(PL<SHIFTR<N>t1RL)r Y>,Hn<PL<S~lfTRCK),1~Ll7Yl,W2(M},

SYKIS<REAltK~<Pl<SHIFTR<N>,lRtJ,YlrMz,

T8Al.T9A.T8A00) IS<'fZ<'t hN2<K)) :: I S~H I RL< Nl<N h Hl 0!),. TlOA > IS .. ~ ,.('f HN),. NHM))

s

s

s

$

s

s - 5.2 ...,.

s

Page 106: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

u SHifT

•SHIFT

HSHlf'T

------·--·~ ... ~-.~tt&J t '''Al .I T9 no Tl1 T1Z

Tll

T14

T15

Na Hi

H a SHIF"TRLS .

N " (M:HaRE<T•SHIFTR)J T17 T18

T19 rzo

~ :IJ TZ1

:: SATZ1860(SHIFT~rX•1Rt,V} :: IS~OREltPtC~HlfTR,l~llr~CMZ•Yl•

?U X• !RL hrt MN{ PlC !iZ.. Y> •l RL hT9) :: SATZ1B8D<PLCN2.Y),PlCX•1RL)•MOtY)•f10) := IS!40REH ~N (f'l< N2, YJ, 'o, l'f2,?1NU'LC XrlRl J

.. n. ~1'{-?U ~z,n. T!U := ISKORE12012• RlOF NH tHOf"RUN2rNAT Rli

(S1)l)o~~(~L(X,l~L:•Y),

RLDF~T!~TD~~l{~~[PL(X•!~l)rYI•TiJ>• ISRL~Tl(~Z.~A~RL!(Nl,J,

ISRLNil~M~C?L(X,lRL1,Tl•T6J,T1ZJ

.- tEMMAIV•S<UTOFRL<NZ,NATRLI(NlJ>, SHifTL•T13J

:= ISHGRE1•N•<NTOFRL<N2•NATRLICN1J),N1• SHIFTLriSNTRL2<Nl)oT14}

·- THJ•t.IMP-(MORECSHIFTR.X), MORE·~·<Nl,SHIFTLI• SATZIOa<~loSKIFTL,TT),

tT:MOaE<S~I~TR,X1lT15(i))

:= :=

:= :: ::

SATZ1880CT.SHIFTR,1RL•MJ IS~ORE12CPl(Y•1RL),pl(1RL•T),

PU SHIFTR, 1RU•PL< NZ•·'fhCIJMPU Y" lRU • PLKNCPlCNZrYJ,lRL),T17l SATZ168A(1Rl•NZ,Y•T18> lEMH~IVA5(1,Nl,T11l

TH]•t.I~P·<~DRECY,SHIFTR>•

MORE"'N,.( hN1 h SA TZ10iH hN1 .. SATZZ4A<N1) ),[T:MORE<T•SHIFTR>lTZO<~JJ

N ; LSSHIFTR := SATZ167[(Yt~SHifTR,T21•.sHIFT•) LY a tU:REALl[AtAH03(INTRLCU),LESSISCY,UJrLESSIS<U•XlJl

A :a

A a

A ;

TZZ

T23

T24

[L:lESS(U,. X> l TZ5

U:ISCU,JO l TZ&

TZ7

:: AN03E1CINTRLCU>,LESSISCY,U), LESSIS (U,x; hA)

:= AND3EZCINTRLCUl•LESSIS(Y,UJ, LESSIS(UoXhA}

:= AN03Elti~TRLCU>•LESSIS<Y•Ul• LESSIS<U.X J .. AJ

:: SATZ188HPLCU.1Rlt.PLCX.1RU.~O"'R .. U ), SATZ188f(U,X•lRL-L)}

·- ISM~l(Pl{UrlRL>•PLCXrl~lJrYr IS?llCUrXrlRlril>

·- TH9~t.oR•(tESS(UrXl•ISCUrX), LESSOHH ?ltUrlRLhYlr MNO'UlCr 1RL h Y> h IS(MN(PLCUrlRLlrYJ,HN(PLCX~lRLJ,.Y)), T24r[T:LESSCU•X>lT25CT>•(T:ISCUrX)l T2S0))

KORE( P:. <NZ. Y hPU X:,.lRl)) HOREON CPtt N2rY lrYhHfHPU XrlRLJ .. Y))

KORE(R~OFNTCNTOfRL<NZrNAT~LI<Nl))J•RLOFNTCSHIFTll)

MORE"W' CNl, SHIFTLJ

NOT(MO~E(SHIFTRrX)).

LESSISCSHIFTR•X>

MORECPL URL ,.Y),PUNz,. Y)) : HORE:C1RL,N2)

HORE•N• u,.Nl J

LESSISC Y .. SHIFTR>

: INTRUJ)

lESSISf Y .. Ul

: LESSISC u-x>

l.ESS I St MNCPL<U• 1 RU, n .,ltNC PLU,.tRlh Y>)

s

s

s

- 5.3 -

Page 107: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•SHif'T

•SHIF'T

!JL TZS

TZ9

T30

A a SHIFrl1

A a Hl nz

TH

A :1 SHIF'fi~Vl

SHIF'TINYZ

LY a (ALPHA:•TYPE'l SEQ

[S:SEOl PROOFSIRRELEYANT

AL PHA a tf:SEO l SHIHf

LY a tS:SEQ(REALll INSEQ

INJSEQ

:::. SHIF"Tt.CIJ,HZ .. Y .. IY.T23> NAT :: lS~ESSIS12C~N<PLCU•lRLJ~YJ,RLOf~TCULJ,

MNtPlCX,.lRlJ,Y).,9LDFNTCSHIFTL),. IS~LNTl(~~(PlfUrlRtJ,Y), r&cu .. rzz .. r .. IY•T23J> .. ISRLNTH !HU PU X•l"llh\'h Hoh T27> : LESS IS[ RLOFNTCUL >•RlOFNHS HIFTtl>

:: Tlt3'"L. It!P .. <MO~E .. I·i .. CUL• SHIFTL h MG~EtRLOFNTtUL)•RLOFNT<SH!FTLl>• SATZló7D(P.LCF~T<Ull•RLryfN!CSHIFTL>r T2S),rT:~JR2•N .. {UL•S~I~TLll LE!1!4A HASC üL. SHI!'TL,. n} NOH KOR E"N,.CUL .. SH!fTl))

:: SATZ10EU.Il•SHiqL,.T29> U:SSIS"'N .. (UbSHifTL)

: 1TO(SHI HU

•- !SINQ!JTN(SfUFTt..UL, TlO > ts·~ .. <:JI..,.Nl<SIHF'Tll)) :: TRIS<~EllrP~(PLCUol~LJ,Y),RLOFNT<UL)•

N2CSH!FTLl)•ISRL~T1<H~CPL(U,.lRL>•Y>• rscu~rzz,r.IY.TZ3>>· !SN~ERLCUL•Nl<SHrfTL1>oT31>> ISC~NC~l(UolRLl•Y>•N2tSHIFTL1>>

:: TRIS(~EAlr~NCPLCHN(PL!UolRL>•Y),y)., lRLloMNCPL(U,lRL>•lRlJoUo ISHN1CPL<KNCPl(U,1RlJ•Y>•YloPL(U,1RL>i 1RloPLMNCPL(Ur1Rll•Y>J.MNPl<U,1RtJ) : ISC,NC~LCMNCPL<U•lRLJ•Ylrf)•lRL),UJ

·- TRISl<REAloUoSHIFTRCSHIFTllJ, MNIPLCMNlPL(UrlRlJoY>•Y>•lRLJ• T33•.SHiff•,ISHN1<PLtMN(Pl<U.1Rl)•YJ, YJ,PlCNZ•.SHIFT•(SHlfTLl)•Y>•lRL• ISPLlCHNCPLCUolRLJoY), f<z•. s:-nn-c SHIHlll, y, nz•. SIHFf•) H ISCU• Si If"TR(SHIFTLl })

:= SYMISCREAL,UoSHifTRCSHifTLl)o SHIFTINVll : ISCSHIFTRCSHIFTL1)•U)

:= tT:RE4ll(U:INTRLCTJJtV:LESSISCY.T)l U:LESSI S<T,. X>JALPHA •TY?E •

:= (T:REAll[IT:INTRLCT>JCLT:LESSIS(Y,.TJl CTL:LESSISCT .. XJJ(U:REALJ[IU:INTRL<U)l [LU:tESSIS(Y,.U>ltUl:lESSISCU.X)l [V:IStf,U>liS•E•<AlPH~ .. <Tl><lT><IT><T> s.<UL><LU><IU><U>S) 'PR~P'

:: (T:lTO<SHIFTL)J<SHIFTRLS(T}> <lSSHIFTR<TJ><INTSHIFTR<J)><SHIFTRCTJ> F . : [T:lTO( SHIF'TUlAlPHA

:= tT:REAll[U:INTRL(TlJCV:LESSISCY,.Tll [W:tESSIStT.XllAND3CINTRLC<W><V><U><T> SJ.LESSIS<Yr<W><V><U><T>SJ,LESSIS<<W> <V><U><T>S•X)) . : · •FR:JP'

:= [T:REAlH IT: INTRl<T J HL T :LESSIS<Y• T> l CTL:lESSIS(T,.XJltU:REAllCIU:INTRL(U)l CLU:LESSIS(Y~UJltUl:LESSIS<U .. Xll (V:IS"R•c<Tl><LT><IT>~T>So<Ul><LU><IU> <U>S) l rs .. P.•{ r, Ul 'PR!Jf"'

s

. s

..... 5.4 -

Page 108: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

tU:REALltV:REALltA:ANC3(I~TaL(Vl•lESSIS(YrVJ~tESSIS<V~X))J

••S'ii='T s

A ~ PROPl := iS(U,<TZ.<V•A)><T23(V~A)><T22(V*A)><Y> S> 'PROP'

•SHFT s

V ~ ItiPRDP := ~Na(AND3CINTRLCV>*l[SSIS{Y,Vlr LESSIS(V,Xi),{T:AND3{!NTR~(V);

LESSIS(Y,vl,LESSISCV,X>JJ PRQP!•.SHifT~tr>> : 'PROP'

u :a IMSEQ ·- SO~E<:T:REAll!MPROP{U,T)) • PROP' s " SU•VSEO := tT:REILl{O:I•TRL{TlJ[V:LESSIS<YrTil •

t w:u:.ssi sn. 10 H MSEo<T > 'PR:JP' PE ?.:~ :: A~~ti~JSEO•SUEJSEOJ 'PROP' t:INS:! NSEQ <S)]

HS!tH"T s

INS a (N:tfOCSHif"Tlll >.!$ :: <SHifTRlS(N}><tSSHIFTRCNl>

<I~TS~IFTR(N)><SHifTRCNl>S REAL TH := <SHIFTRLSCNJ><LSSHIFTR(NJ~

<INTSHIFTR<NJ><SHIFTRCNJ>INS AN03CINTRL<NS>•LESSIS(Y,NS),LESSIS(NS.X))

•SHirT s

INS ~ SHirTSEQ ·- tT:tTO(SHIFTtJlSHIFTll<NS•.SHlfT•(f), T34•.SHifT•(T)) [T:tTOfSHIFTL)JlTOISHifTl)

· [JS:INJSEQ(S) l

HSHii"T s

JS ~ .[N:lf0(SHIFTLJ1[M:1TOCSHIFTL) l [I: IS•E•( lTO( SHifTL~•<N~SHif"TSEO• <11>SHIF"TSEQ) l T35 := ISOUTNrCSHifTl.oULCNS<NJ,T34CNJ),

TllCNSCH)rTJ4(N).JrUL<NS(I1)•134(~))•

T30CNS{H},T34{Ml)rl) IS•N•()Il(NSCN>. T 34( N)) .oUU NS( M), T 34C liJ)) T36 :: ISRLI~TCKN(PLCNSCN>•lRll•J),T6CNS(N)r

TZZC~S<N>rT34(N)),y,IY,T23CNSCN),

T3t.OU l J. !Hl( PLO~ SOU •!RU .o Yl• T6( NSCH >• T22<NSCI1J-T34(")J.oY.oiYrT23CNSf~), T34(foi))).T35) IS(HN<?LCNS(N).olRLJ.oY).oi1NtPL(NSCKl•1RLl•Y})

rl7 ·- SUZ 138iHNS( N>.NSOI h 1Rl• SATZ1383fPL(NS(NJrlql)rPLINS(I1)rlRL), I10,.R,.( Y), T 3&)) ; ISUSnl >.NS<MH

. T38 :: <T37><SHIFTRLS<M)><LSSijlFTRCM)> <UT SH.If"TRCM )><SHIF'TROO><SHifTRlS<N )> <LSSHIFTRC N) >< INTSHifTP.CNJ><SHifTROI }> JS : ISCSHIFTRCN),SHIFTR(M)J

T39 == SArZt689CNZ(N)rN2(MJ~Yr SATZ1388(PL<NZ(N)rY>•PL<N2(K),Y}, MO u RL h TJa J , xscnc~ lrNZOIJ'

HO ·- IS~TIRL<Nl!N)rNl<Mt,T39) IS"~~(Nl(N)rNl(M))

T41 :: ISIUNE(SKlFTLrNrH•T40> !S•E~11Tn<SMIFTLl•N#K1 - s.s ·~ •SHI;:'T :

JS ;: INJSHif"TS::Q :::: (T:lTC<SHifTL>ltU:1TO!SH:fTLJl f'U• r~'l"frnr"f .,.nre-u-rr-T• '_ JT'-..~U'fC"'f'~'f!'t\_,u.,..

Page 109: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

HSHtF"T

•SHirT

SHIFTSEQ>JT41•.sHIFI"(J,U,J) INS ~ [PRI:PROiJF'SIRRELEHNH RE:.Al•S)} [SS: SURJSE?( SLi

SS a (N:tTO<SHifTL>l T~2 :: <SHIFTRLS(NJ><LSSHIFTR(N)>

<I~TSHIFT~(Nl><SH!FT~CNJ>SS

(J:REALJ[P:IHPROPCSHIFTRCNJ,U>1 TH

Ul1 flt5

T4G f47

TU T49

N ; J50

·- A~DE!CING3CINTRL(U),LESSISCYrU)r LESS!S(U,X)J,tT:AND3CI~TRLCU)•

LESSIS(Y.U>•LESSIS(UoX)lJ PROP1CSHIFTRCNJ,U,T1.Pl

·- ANiiEz•t. R•c A N03( I NTRLC \1)" LES SI SC y, Uh LESS!S(UoXJJ,[T:AS03(I~TRLCU),

tESS!SCY.Ut.tESSISCU•Xi>l -PROP1tSHIFTR<NJ,u,r;,pJ

:: SHlFTl1{U,T43) :: <SHIFTINVlCUrT43)><SHIFTRLS(UtlJ>

<tSSHIFTRCULl)><INTS~!FTP.<ULl}> <SHIFTRCUL1l><T24CU,~43>><T23(U,T43J> <T22CU,T43)><U>PRI

:= SHIFTIN~1<~S(UL1>rT34<Ull)) ·- TR3IStREAL.SHIFTRCN),cT24(1.J,T43>>

<T23{U,T43J><T22<UrT43l><U>S.NSCULi), SHlffR<<Ull>SHifTSEQ)rT44rT45rT4G)

:= ISESHifTR(N,<ULl>SHIFTSEQ,T47J ·- SOME!<lTOCSHIFTL),(T:lTO<SHIFTL)l

IS•E•ClTOCSHIFTtl.H,cT>SHifTSEQJrUllr T4Sl

:= SOMEAPPCREALrtT:REALJIMPROPCSHIFTR(N), T>rT42•IMAGEC1TOCSHifTL>•lTO(SHIFTLJ• SHIFTSECrNJ,[T:REAll (U:IHPROPCSHifTR(N)•T>lT49(T,UJ)

INJECTt 'IE U TO(SHIFTlh lTO< SHIHL hSHiflSEQ)

IMSEQ(S HIFT!HN> >

AND3CI~TRLCU>rLESSIS<Y,UJ•lESSIS(U,X))

: ISCSHIFTRCN h<T24(U,.T4 3}.>< T23CU, T43)><T22( li• T~3J><U>S J 1 TOC SHI FTL)

: ISC<TZ4CU,T43)><T23tUrT43J><T22CU,T43J><U>S,NSCUL1ll IS(NSC!Jll h SHirTR(<ULl >SHI rTSEID)

: IStSHIFTRCNJrSHifTR<<ULl>SHIFTSEQJ) IS•E•U TOCSHIF"TU .. N,<ULl>S HIFTSEQJ

IMAGEU TOCSHIFTLh1 TQC SHifTLJ •SHIFTSEO•NJ

SS a SURJSHifTSEO PRI a [PS:PER~CSJJ

BIJS!UHSE Q

::: [J: 1 TOCSHIFTL) lT50,.. SlilfT"'(TJ SURJECT lVEC 1T0( SHifTLJ .. no <SHIFTU .. SHIFTSECJ

::: ANDICINJECTIVEClTOCSHifTLJ,lTOCSHifTL> .. sHIFTSEQJ,SURJECTIVE(lfO{SHtfTLJr lTOCSHifTLJ .. SHIFTSEQ), INJSH!FTS(Q( ANOEl< Il'\JSEOCShSURJSEQC S> ,psJJ,SURJSHIF'TSEO<A~DE2<!NJSEQCS>• SURJSEQCSJ,?S)J) : 8IJECTIYEt1TO<SHIFTL>•1TOCSHifTL)•SHIFTSEQJ

; COMPLEX :" PAIR lTYPEC RE AL> tX := COMPLEX (X:COHPLEXltY:COMPLEXl IS :: IS'"E .. <Cx,x,y J IHS :: NOT( IS{X,y))

a [P:CT:COHPLEXl 'PROP'l SOHE .-All ·-ONE ::

SOMt•v•ccx,pJ All'"L .. fCXoPl ONE .. E•<cX,P>

; U:REALHB:REAU PLI := PAIRl<REAL~A•B>

:= flqSTlCREAL•X> :: SECONJl(?.EALPX)

x a RE Ilf

' ..

: •PROP' : 'PR!Jiu

'PR!lP • • PROP' 'PROP'

COHi"LEX REAL RE Al.

s

s

s

-5.6-

Page 110: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

ISRE ·- f'IP.SHISlCROl,A,.Sl lMIS ·- SECO.N01ISHREH ... A,8) ISIM := SECOND1!S2(REAL•A,B)

X ~ PLIIS ::. PAIRliSlCREAl,XJ ISPLI := PAIR1IS2CREAL,X)

Y a U:IS(X,YJl tSCE~E := !SFCCX,REAL,[TrCXlRECT>•X,.Y•I) ISCEIM := ISFCCX.REAL,[T:CXJI~CT)•X•T•I)

B ~ (C:~EAll(I:IS"R'"CArS>l ISP.E:Xl :: ISF'<REA~,cx,rT:REALl?litT,ç),A,B,I> ISRECXZ :; ISFt?.EALrCX•tT:REALJPL!{C,J);A,B,IJ

C 2 tO:REAlJCI:IS'"R'"(A,.Bll(J:ISPR'"CCrO>l IS~ECX12 :: TRISCCirPLtCA,C)IPliCBo:loPLtCBoO)r

ISRECX1CA.BrCriJ,ISRECX2!CrOrBrJJ) X 3 SATZ20& :: REF'ISCCXrX) Y :l a:Isn.nJ

SATZ?Q7 :2 SYKIS(CXrX•Y•Il Y a tl:COHPLEXlti:ISCXrYll[J:IS(YrZll

SATZ208 •- TRISccx .. x,y,z,IrJl 3 )C ·- PLHOrOJ

lC :: PlH 1i~lr0) Y ~ PL ·- PLICPL"R•(RECX)rREtYJ)rPL•R•tiM(X)r

I"'' y >' ) 3 a PLIS12A :: IS~ECK12CPL"R"<RECPLI<~•3l)r

RECPll(CrO)))r?L"R•tArC)r P!. ,.R .. C IKC Pli UrB )),. I I'!( PLHC•O)) h Pt•Rft<SrDJriSPL12CRE<Pt!tArB)),Ar RECPtlCCoD)JrCrREIS<A•SJrREIS<CrDJ)r ISPl12(1HCPLICArB)),SoiMCPLI(CrDJJrD•

: IS""R '"CA ,RE< Pt.H A.B))) : IS'!"~'"H !H1'l H ~~uh B>

IS•R*(3,.IK(PLI(A•Bl)) IS (Pl It P.E CX ), IM <X> h Xl

: iSCX,Pi.HRE<X> • IHCX )})

: ts•R•(R E(XhRECY)J : IS"R"(IMCXl,IK<YJl

IS(?I.It A,ChPLHB,C)) : ISCPLU c,AJ,.PLI<C .. BH

ISCPLU A•CJ;PLI<B .. OU : ISCX•Xl

Isn .. n

tscx,z> COMPLEIC

: COHPLEIC

COHPLEIC

l~IS U ,g h IIUSCC, 0 J l) : ISCP[{i"LI U • Bh PLU CrD UrPL U PL •R•U rC h PL •R•ta,. D))) PLIS128 :: SYMIS(CXrPltPLICAr3J,PLICCrDJlr

X ; [R:REALltS:REAll PUS lA

PLIS1B

i'LISZA

!"l.ISZB

Z ~ U: ISCX,.Y)l

Pll(PL"R"(ArClrPt•RP(BrDJlrPLIS12Al : IS(PliCPt•R•(ArCJrPL•R•tBoOJJrP[(PLICArB)rfli(CrOlJJ

:: ISRECX12CPL•P.•<RE(?LICR~S)lrRE<Xl)r Pt•R•<R~RECXJJ;PL•R•CIMtPLI<RrSJl~

IM(X)J,pt•R•(S,IH<X>>~.

ISPll<~E(Pti<R•Sl>•R•~ECX>•REJS(R,SJJ~ ISPllCIH<Pll{R,S)JrS.!MCXJ.IMISCRrS))} : IStPLCPLICR~s>.X),PLICPL·~·(RrRECX}),pt•R•<S•IHCX))))

:: SYMIS<CX,PLCPliCR•S>•Xl• PLICPt•R•CR,RECX>>•PL•R•CSr!MtX)l)• PliSlA > ISCI"LU Pl -R•(R,REU )), Pt•t •cs,Ut(X) > ),.pl( PLI CRrSJ .x U·

:: IS~ECX12CPl*P."<RE(X),RECPli<R,S))),. Pt•R•(RE(X)~RJ,p[•R•tiKCX>•IHCPLI(RrS)

)),.pt•R•(IMCX>•S>,!S~-ZtP.(\Pli(R,S)),

R,R[(XJ•REISCR,Sl),ISPLZ(<~tPLICRrSl); S·IM<Xl;IMIS(R,SJll IS<PLtXrPLI(R,S>JrPliCPl"~·(RECX>,R),pL"R"CIKCX),SJl)

:: SYK!SCCX.PLCXrPLICR~S>l• PLICPL•R•IRECXlrRJ~Pt•R•<IM<XJrS)J, PliSZAJ : tS<~LICPt•R•<RE<XJrRJ,PL·~·ciH(XJ,SJ),pl(X•PLI(RrS)l)

ISPL1 := tSr<cx,.cx~rr:CXlPL<T,zhX•Y•IJ : IS<PLCK•ZlrPLCY,zn ISPLZ :: ISF<cx,cX,[T:CXlPltZ,.TJ,X•Y•I> : IS(PLfZrXlrPL(Z,YJ)

Z; [U:CJMPLEXlCI:[S(XrY)J(J:IS<ZrUll IS?i.l2 := TRIS<CXrPUX,l),.pl(v,zhPLO,U},.

ISPll(X,.Y•Z•l),.ISPl2<l•~·Y•J)) IS<Pl(~,z>tPL(1•U)) Y ~ SATZZ09 := ISRECXlZ<PL"R'"<RECX)rRE<YJ),

Pl"R•<RECY)~RECXJJ.Pt•R•ct~(XJ,IH(Y~J; PL "R,.C !HCY h IMCX lh CO~!>L( RE C !Or RE( U ), CO MPU IMCX ), UH Y))) : lS(f>l llt "Y h PL(Y,. X))

COMPL := SATZ209 ISCPl(l(,.YJ,f'lO'rXlJ X; SATZ~13 :: TR3ISCCX .. PL<X .. OCl,P!..HP!.'-Ii .. CREUhO>•

"' -- .,. -y ~

- 5. 7-

Page 111: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

PLIS2A<X•O•O>,ISRECX12<PL~R·CRE(X),O),. RE< X hPL•R"< HHX> • 0) • !MC X h Pl02Hl.E (X h O,.REFIS<REAL.OJ),Pl02<IM(XJ,.O• REF'IS(REAL•O H hPLII SClO) : IStPL <X •OChXJ

SATZ21U := SYKIStCX.PUX.OC>..X,SATZ210l : ISU,.Pt.<X.OC)) SATZZ13B :: TRIS<CX•PL(OC•Xl•Pl(X•OC>•X•

Cûii?UOC.U,SATZ210) : IS(Pl<3C•XhX) SATZ210C •- SYMISC:CX•Pl<OC.XhX•SATZ2106) ISCX .. PLCOC .. XH

Z a SATZZ11 :: TR3ISCCX•PLCPLCX .. Yl•ZJ• PLI<Pt•a•<PL~R"<P.E(Xl.P.EtYJJ,RECZ)J,

Pl"R•(PL"R .. < I!o!<Xl•!H<Y>>•IIHZ>J), PLICPL"R"CRE<XJ~PLRR"CRE(YJ,RE(Z))),. PL"R•(!MtX>•PL"R"(IMCJJ,IH(Z)))), PLCX.?LtY.Z>l•PLISlA<Z•PL"F."CRE<X), RECY)J,Pl"~e<IMCX>·I~CYl)),. ISRECX12<PL .. R"(Pl~R·(~ECXJ.RE<Y>l• REClJ>,PL"R"tP.E<XJ,Pt•R•tRECY)•RE(ZJ)) rPl"R•<Pt•R"(IHCXJ~IH{Y)J•I"<Zl), Pt•R•(IMCXJ~Pt•R•(IM<Y>•!M(ZJ>>• ASSPLlCRECX),RECY),RECZJ),ASSPll<IM{X) •lH{YJ,IMCZl)J,PLISZB<X•PL•R•<RECY>• R!::(Z} ),pt•R•<IH<Y>•IM( Z> )) ) ISCF'L(!tl(X,Y),.Z),PL<X,PLU' ,l) ))

ASSP!.l :: SATZ2ll : IS<PU?'LU•YhZ>•Pl<X~PLU"l))) ASSPL2 :: SYMIS<CX•PLCPLC){,YJ,z),PLCX,Pl(Y,Zll•

ASSPL1) : IS<PL<l•PL<Y•lll•Pl<PL<X•YJ•ZJ) Y ~ [~tCOMPLEXlti:IS(PL(Y,U>.XJl

•2212 s

Tl :=

T2 ::.

Tl ::. Tft ·-

-2212

SATZ21ZA :•

Y a SATZZ1ZB :=

SATlZlZC ::

SATU12 :=

TRI S< RE Al• PL •ft•( R[( Y >..RE UJ > h REtPL(Y,.U)J,RE(XJ,.ISRECPt•R•<RECY), RECU>>•Pt•R•<!M(Y),!HCU))), ISCERECPl{Y,U),.){,J)) TRISCREAlrPt•R•CtMCYJ•t~<UJ),

IM<Pl(Y,UlJ,IKCXl.ISIMCPL•a•cRECYl• RECU>l•Pt•R•ttKCYJ,IHCUlJJ, ISCEIMCPLCY.U),X,I)) SATZ187DCRE(XJ,RECYJ,RECUJ.T1l SATZlS7DtiM(Xl•lK{Y),IKCUJ,TZJ

TRIS<CX•U~PLI<RE(UJ•IMCU)), PLICMNCRECX).RE(Y)),~N(IKCX),!H(Y)J)•

ISPli(UlriSRECX12CRECUlrMNCRECXJrRECYJ ),IMCUJrMN<IMCX),IHCYJ),T3•.zztz•, r~o•.2:nz·u TR3ISCCXrPlCYrPliCKN<RECX),RECYJJr MNCIMCX),JM(YJ)Jl•PLICPL~R"(RECY)• MNCRECX>.RECYJJ)rPL•R•CIMCYJ.HN(IM<XJ~

IM(YJll)rPll(RECXJriKCXll•X• PLIS2AtYrMNCRECX>•RECY)>·~~(I~CX>• IK{Y))),ISRECXl2{Pl"R~(R~<YlrMNCRE<X),.

RECT)llrRECX),PL"R•<IH<Y1rMN(IM(XJ• IKCYJ>l•IM<X>•SATZ187ACRE<X>•RE(Y))• SATZ167ACIH< X),. I K.CY l) >.PLI IS< X>) SO~EICCX.tT:CXJISCPLCY•f),.Xlr PLICMNCRECX),RE(YJJ,~NCIKCXJ,.IM(Y)}), SATZ21ZB> ONEHCx.n:cxHSCPU y, T hXh (T :CXl [U:CXl[V:ISCPl(Y,TlrXlJ[W:IS<PLCYrU),. lOHRIS2(CX.o T • u .. PLIC 1'1~{ REUhRE< Y) h

: IS"R•PLWft•<IHO),li!(UUriMU)) : IS"R"U E<U> ~MN(P.E<X hRE<Y) J J : IS•R•U M<UhMNUMUhlMU) U

. s

- 5.8-

Page 112: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•2213

•ZU3

MN

D ; MUS12A

"fN!SlZB

X ; (R:~EA~l(S:REAL1

!f?fiSU

!UHSlB

MNISZA

!fNISZB

z ; U :ISC x, YJ l ISttNl ISKNZ

MNC I MU > ~ J;t( n )) ,.54 TZ212A(T" V) •

SArZZ12HIJ•W H rSA.TZ21ZCJ ONEC (T: COMPLEXliSCPL(Y,.T),. XJ) ·- PL!t~~·R·<~ECXlrP.ECY)J,.MN•R"{lH(X},

IMCYJ)) : COMPlEX ·- tSRECX12C~R·R·CRECPLI(Ar8)),.

REtPLI!C .. ~J)),~N~a·{ArClr HN"R"(IHCPLICA.Bllrl!CPLICC,.O))),. KN•R•(B•~l,!S~IlZCREtPLICA .. BJ),A,. RECPL!(C.DJ),.C.REIStA .. Sl.REIS!C,DJ>, ISM~lZ~I~(Pli(A,.8)J,.Br!H{Pli(C,û)l,O,

!HISCArBJ.IP!SfC,~)J) ISlMNC~li<A•Bl•PLI<C .. D)),PLJ(PN•R"(A,CJ•HN•R•Ce,.oJ)) :• SYHISCCX•HNtPLICA•S>,PLICC.OJ),.

PliC HN•R,.CA,. C h MN•R• <B, 0) h MNIS12A J : ISCPLH MN .. R •u, ChHN*R'"(B,. OJJ •HHC Pl IC A, Bh FLI<C •D >)}

:= ISRECX12C~N"R~CRE<PLI(R,S)},.RE(X)),. MU"R•(R~RECXll•MN•R•(JHCPLICR•S>l• IHCX}),HN"R"(S,IM{X)),. ISMNlCRECPLICR•S>J•R•RE<XJ•REIS<R•Sll• IS !'IN H IMCPt.I CR. S )),. So I H(Xl,. I~IS(RrS))) : ISCMN<"lHR ,.s h X hPll( IOI .. 't •( R,. RE <X> J ,.!H.•R• C So tlt(X))) J

:: SYMISCCXoH~CPLICRoSl•X>• Pli<HN*R•CR.~E<Xl),MN"R"'CSoi~CXll),.

~NIS!\) ISCPLICMN•R•tR•RECX>>•~N·~·(SoiK(X))),MN(PLI<R•S),.X)) := ISRECX!2CMX•R•<RECX)oRECPLI<RoSJJ),.

H~wR•<RECX>•RloMN"'R"(IMCXl•I~CPLI<R•S> )l,.KN•R•(IK(XJ.SloiSX~2CREtPLICR .. SJ), RoRE<Il•REIS(R.Sil•liH~2CIMCPLICR,Sl)• s.tMCXl•!~ISCR,.SJJ) ISCKN<X,Pli<R•S>J•PLICMN·~·CRElX),R),Kh•R•CIMCX),.S))J

:: SYKISCCX•IoHi(X,PLUR,SHo PLICKN"R'"CRECXJ.R),.KN•R•<IM(XJ,.S)),. MNISZAJ : ISCPLU MN,.R""(!l[(X J.R)~ HN•=t•t HU X) oSH• HNCX•PLI<R•SHJ

:: ISrCCX .. CX•[T:CXlMN(foZJ•X•Y•Il : ISC!fNU: •ZhMN<YoZH := lSrCCX .. CX,.[T:CXlKN(Z,.TJoX•Y•l) : ISCMN(Z,Xl,.MNCZ,YJ)

z • [U:CJH~LEXlti:ISCX•Y)J{J:(S(ZoU)J ISMN12 := TRISCCX,.MNCX,z>,~NCY,z),MN{Y,Ul• ISMNlCX•Y~I•Il,.ISMNZCZ•U•Y•J)J : IS<MNCX•ZJ,.HN(Y,Ul)

y ; [U:COMPLEXlti:ISCPLCY.~JoX>l SATZZIZD := SATZ?l2UU .. U : ISCO .. M't CX•Y)) SATZZlZE := SYMIS(CX,U,M~CX.YJ,SATZZ120) IS<KN(I(,Y),UJ

u ; ti:ISCPltU.YJ•XJJ SATZZ12f := SATZ21ZDlTRISCCX.Pl<Y•UJ.Pl<U,YJoX•

COMPU Y" Ul • I)} : IS<U.M!t<X .. YH SATZZlZG := SYMIS(CX.U,MN<X,.Y)oSATZZ12f) : IS(IINU .YhUJ

y ; SATZ212!f ::: SATZ21Z9 !S(Pl(YoHNCXrY)JrX) [I:ISC~NCX.YJ,.OCJJ

n := TR3IS<REAL•KN~R"<RE(X),RECY)l,. RE(KNCX.Y>>•RE<OC>•O•ISRECKN•R•<RE<X>• RECYJ h MN"R•( IMC X),. I 1'1( n Ur ISCERE(MNCioYJ.OCrJ>•REISCO,.O)J . ts•R"'('fN'"R'"(R[(XJ..RE«Ylhl J .

TZ := TRl!SIREALrHN•R•tiMCXJriM(Yl>• IH(MN<X.Y)),IH<OCJrOriSIMCHN"R'"(RE(X),. REUHrlo!fi .. P.•( lM(XhiH<Y) )), IS:EI~CMNCXrYJ,OCrtJ,IHIS<OrOlJ IS .. R ,.(!11 N•R"( IH( X), I I!<Y )),3)

n := SATZ18ZB<RE{XlrRE(YlrT1) IS"R"'c:t E<X> •RE( Y J J H := SA TZ I 8 ZB (1 M( X h I ~fY h T 2) : IS•R .. Cl M('() • IP~C Y))

SATZZUA :: TR3ISCcx~x~PlifRE<X>•IMCX)JrPLI<RE(Y)•

s

' -5.9 -

Page 113: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

IKCYJ>~YPI5PliCX>~!SRECX12<RE(XJrRECY) ~!HCXlriHCY)~T3".2213"~T4•.zzt3">•

PlliSfY>) rsu .. n Y a CI:IS<XrY>l

H2213 s

I a TS ::: SATZ192ECRE<XlrRE<Y>.ISCERE(X,Y,Ill I s~•OtN•R•<REU ),.RECY )),) ) T& ::. SATZ13ZE<IH<X>riHtYJPISCEIMCXrY•IlJ ts•R•(HN"R"CIH(XJriMCY>J,J)

-2213 s I a SATZZ138 == ISRECX12(HN•P.•<RECX>rRE<rlJr0•

MN•R•(I~CX>.IX(Y)),Q,TS•.2213 .. , T5".221J .. ) ISOHHl( ,Y),OCJ

x ~ lol;) ·- MNcoc.u COM!»LEX SATZ214 == ISRECX12CKN•R•<RE<OC),.RECXJ),.

HJ·~~(qE{X)J,MN"R•CIMCOC>•!MCX)),.

HO"R•<IMCXll~PLCl<P.E<OCJrHO•R•<RECXJ)r REISCO•C>>•PLOlCIHCOC>•HO"R"ClH(X)),. IH!S(O~O))) ISCKOCl( l•PLI<MO•R•<RE(X)J,.MO•R•<IMCXJ)))

SATZZ14A == SY~IS<CX?MO(XJ,PLI<HO"R"CRE<XJ), M~·R"Cl~{X)Jl,SATZ214) ISC?LU MO•R•CRECX)),KO"R•t IH{X})),,.OOC))

s a MOISA ·- TRISCCX•HO<Pll(ArBlJ• FLICHO"R•tRE<PLICArBJ>>• MO•R•CIHCPLICA.BJJ)),pliCKO•R•CA>• MO•ft•(Bl1rSATZZ14(Pl!<A•B>>• ISRECX12(~0"R"CRECPll(A,8)J),M0"R"<A>i HO"R•CIH<PliCArBJ>l•MO•R•CB),. ISHQ(q[(PLI<A•B>>•ArREISCArB>>• ISHOC!H\PL!(A•B>>•B•I~ISCArBJ))J IS(MO<~LI(A,.BJ>•PLI<KO"R•tA>•HO"R"(BJJ)

HOI Sa := SYMISCCX,.HO(PLI<ArBJ>rPLI<MO"R•(A),. MO"R•<BJ>rMOISA) : ISCPLU MO•R•CAJ.HO,.R•( 8)),. MO< PLICA,. 8)))

T a u:zscx.n 1 ISKO ·- xsrccx.cx.rr:cxlMO<T>.x.v.r> IS (140 U l rl10 CY))

x a SATZ215 ·- TR4ISCCXrHOCHO<XJ),KO<PLI<KO"R•<RE<X>> rMO"R"<IMCXJ))),PLI<KO•R"CMO"R"CRECXlJ JrMO•R•<MO•R•(IH(XJJ))rPLI<RECXlriM(XJ J,X,ISMOCHOCXJ,PLifMO"R"CR[(X)), HO"R•CIHCXJ)lrSATZ214J, MOISACMO"R"CRE<Xl)rHO"R"<IHCX)l)• ISRECX12C~O"R"CHO"R"CRE<X>>>•RE<X>• KO"R"(HO"R"CIH(XJJ>•IH<X>• SATZ177CRECXJJrSATZ1T7CIM<XJ)), PLII SC X>> IS(Iol0()f0<X)),XJ

SATZZ15A == SYKISCCXrHOCMOCXllrXrSATZ215J IS <X• HJ (HO( X>> J Y a U:IsU.MO(YJJl

SATZ215B ·- TRISCCXrHO(XJrHO(HO(YJJrYriSHO(X,.MO(YJ , I>. SA TZ215< Y)} IS<HO(J( >•Yl

SATZ215C == SYKISCCXrMOCXJrYrSATZ215BJ : IS<Y,.HJ (X)) y a [l: ISOfO CX),. YJ l

SATZ215J = SATZ215CCYrXrSYHISCCX,MO<X>rYrl)) IS<XrH) (Y))

SATZZ15E = SYHISCCXrX~~OCYJrSATZ2150) : ISCMOCY hXJ 1C a SATZ21ó = TR3ISCCXrPl<X,MO<XJ),

PLCX.PLIC~O"R"<RE<X>>·MO"R"<IHCXJJ)), P~I<Pl"R"CRECX)rKO"R•<RE<XJ)), PL•R•(IH<X>•M3"R"CI~CX)))),0Cr

ISPL2<MOCK>•?LICMO~R"CRE(X)J, - 5.10 MO"R"<!M(X)ll•X•S~TZ214(X)), PLIS2A(X,MO•R•(RE<X>>rM0"R"<IHCX))), ISREClClZ<Pl" R"( REC X h HO" R"< RE U) l hl>,. PL"R"! IIHX ), I'!~"R .. (lH(X)) ),0, SAH 179{ RE <X)) •SATZ 1 T9('HH U J)) IS<Pl<XrMO(X)),OC)

Page 114: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•221&

ANDERS := SATZ2:12H(0CJO 'lO : ISCPL(I( JO HOC X )),.OCJ

•2:21&

SATZZ16A :: TRISCCX .. PL<KOCX>"Xl .. PltX.~OtX)),.OC" CDHPLOIO(JO,. XhSATZ21ó) : IS<Pl(~OCX)"X>•OCJ

y ; SATZZ17 := TR41SCCX.~9(PL<X,.YJJ. PL!(MO"R•(pL•R"CRECXl,RECY)llr KO"R•C?L-R"CIMCXJ.IM(Y)}l)" Pll(Pt"R•tMo·~·CRECX)l .. ~O"Rft(~E<Y))),. PL~R·(~O"R"{!MCXJ).KC"R•CIM(Yi))J,

PLCPLI<Mo•R•{RE<XJ),~O·~·cx~<Xl))JO

PLICP.O*R•CREtY)),MO•R•<I~CY))Jl•

PLOI!H X h MC{ Y) h MO I SA< PL,.R'"< RE a),. RECYlJ,.PL"P.•(IKCX>•I~CY)J),.

ISRECX12CMO•R•(pl•R•CR[~~>•RE<Yl)),. PL ,.R"'CM:l•R•< RE C X> h KO"R"'< RE O'J l h ~O·R•(pt•R•ti~(X),iM(Yll)•

PL"R•CMO"R"(!~<Xtl.YO•R•(J~(Y)J),.

SAfZ180t~E(X)rRE(Y))•S4TZlS0(1M(XJ~ IMCY)))rPLIS129CMO•R•tR~CXJJr

MG*RftCIHCXJJ~MO•R•<RECYlJ•MO•R•(IHCY))

)"ISPL12C~LI<MO•R•CRECX>>·MO"R•tiMCX)) JJOMOUJ.. PLU MO•~t•c REn'l h MO•R•UM<Y> ))' ,HO(f)rSATZ214A(XJrSATZZ14A(Y))) t ISOCO<"LUJO YJJrPL.<MO(l( )•MHYJ))

SATZ2U'A :: SYHISCCXrMOCPL{XrYllrPLC~OCXJ,HO(Y)), SATU17J : ISCPL<~O<XJrMOCY))•P.OCPl((rY)))

SATZ2U ·- TRISCCX"KNCX"YJ,PlCXrPLICKO•R•tRECYJ)r MO•R"CIMCYJ))),pL(XrHOtYll• Pl!SZBCXrMO•R•CRECYJ)"MO•R•(JM(YJJ)r ISPL2(PLI(H0"R"tRE(Y))"MO•R"CIH(Y))),. MO(YJrXrSATZ214ACYJJ) : lSCMNC(JOYJrPL(XrHOCYlJ)

SATZZ18A == SYHIS(CXrHN(XrYJrPLCXrH0(Yl)rSATZ218) IS<~LCX•KOCY))rHN(XrY))

+2219 $

Tl == TR3ISCCXrHOCHNCX"Yl)rHOCPLCXrMOCY))), PLCHOCX)rMOCHOCYl)),pl(HOCX),y),. ISKO<MNCX•Yl"PLCXJOMO<YJl.SATZ218),. SATZ21T<X•MOCY>>•ISPLZtMO(H0tT)J,Yr HOCX>.SATZ215CY))) ISCKOC~N(XrYJ)"PlCHOCX),.Y))

•2219 s

SATZZ19 := TR3ISCCXrHOCHNCXrY)JrPL<HOCXJrYl• PL(Y,.HO(X)J,.MNCYrXJrT1•.zzt9"• COMPLCMOCX>,.YJrSATl21SAfYrXJJ : IS(H0('1 N<X• YUrHtHYrX))

SATZZ19A == SYMIS!CX-HO<HI(Y,XlJ.KN{XrYJ, SATZZ19(YrX)) iS<KN (X in,. MOfMNCY• X)))

TS == PLICHN"R"<TS"R"(RE(XJrP.ECYJ), TS"R"(IM(XJriMtYl)),pt•R•CTS*R"tRE<X>• IMCYJJ"TS•R•(IMCX)rRE(Y)))) : COHPlElC

!tETS :: HNffR*<TS•R•<RE<X>,.RECY>J~rs•R"(lH<XJr HI(Y))) RUL

-5.11-IHTS ·- Pt•R•CTS"R"CRECX>•I~(YJ)rTS"R"CIKCX>" RECY J}) REAL

+V3 b

-··-

Page 115: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

D ; n == ISKNt2•R•tTS"R"tRE<PLICAr8)), RE<PLI<C~D)l)•TS*R•tA.CJr

TS•R•t IMCPLI< A"B)) •: H( PLI<Cr Dl))" TS•R•tSrD)riSTS12CRECPLlCA,.BJ1•Ar RECPLICC•O H •CrREISC A• 8 >" REIS(CriH )" ISTS12CIMCPllCA•Bll•B•IMCPlltC .. OJ),O,. IHIS(A.BJiiMISCtrOJ}l : IS-R'"U ETSC PliC ArBIPPLH C• 0)) rMfl•R.,.( TS•R•U,.Ch

rs-a•n ... ouJ rz := ISPllZ~R"CTS'"R•tRECPliCArBlJr

IM(PLI<C .. O)lJrTS•R•<ArDJr TS"R•(IMCPLI<A•Bl)rRE(PLI<C•O)))r TS•R•CBrCJ.ISTS12(RECPLICA .. S1)rA• IMCPliCC•Dli•D•RE!SCA•B>•IMIStC .. O)Jr ISTS12CIMCPL!CArBl)rBrRE<?LICC.O)},.C; IHISCA•B>•REISCC.D))) : IS-R•ttMTSCPLICArBlrPLI<C•Dl),.PL•ft•trs•R•(ArO)•

rs-a ·u .. c n' •V3

0 a TSIS12A := ISRECX12<RETS(PLI<A•B>•PLI<CrDJ), MN•R•<TS"R"(ArCl.TS•R•ta .. OJ), IHTS<PLI(A,S>•PliCCrDl)r PL•R•tTS•R•(A,OJ,TS•R•cs,cJ>,T1•.v3•r rz•.v3•1 : IS<TSt~LI<A•B>•Pli(C•DllrPLICHN•R-(TS•i•(A•C)r

TS•R•(3r0}),pL•R•tTS•R•tA.OJrTS•R•(BrC)J)) TSISIZB :z SYMISCCX•TSCPLI(ArB>•PLI<C•O>>•

PLU HN•R•c rs•a•tA.c,.. rs•a•cs .. ol,.. PL•R•trs•R•<A•D> .. TS•ft•(BrC!)J,TSISIZA) : IS(PLU MN•R'"HS•R•c A•C J..TS •R•<B•Dlhf'L •rcts•a-<A•Dh

TS-a•n ,c )J hTSCPUU, BhPLJ<C•OJU X a [R:REALJ(S:REALl

••V3 s

s a n == lSMNt2•R•(tS•ft•(RE<PLI<R•S>l•RECX)), rs•a•tR•RECX)J,TS•R•(IMtPLICR•SJJr IHCX>>•TS•R•cs,IK{X)), ISTSlCRECPLICR.S)),RrRE(XJ,REISCR•S>>• ISTSl<IHCPLltR.S)J,.S,IMCXJ,IMISCR,SJJ) : IS-a•<11ETSC PLin .. s J • XJ .. HN•R•<TS•ft•(ft,.RECXJ )".

TS-R•(i,.IMU)HJ n := ISPL1Z•R•<TS•R"<RECPLI(R,SJJ,IKCXJ),.

TS"R•(ft,IHCXJJrTS"R•<IMCPLI<R•S>J• REU)l,.TS•R•(S,RECX) ), tSTS1<RECPli<R•S>>•R,tMCX>~REISCRrSJJ, ISTSlCIM(PLI(R,Sl),S,REtXJriKISCR .. S)JJ : IS~•ttMTSCPLI<R~SJ•XJrPl•R•CTS•R•(R,IMtiJJ•

rs•!t•tä JOREtJOJU

-u $

S a TSIS1A == ISRECX1ZtRETSCPll(ft,SJ.XJr I'CN•ft•(TS•ftw( R•. R[(X)) ,rs•R•( 5,. IK( X))) JO IMTStPLI(ft,S),X},Pl"R•CTS•R•tR .. IMCXJJ• TS"R•cs.RECX)J),f3".V3•,r~·.v3•) : IStTSt~LICR•S>•X»•PLICMN•~•ttS•R•CR#RECXJ),.

TS•!t•U ;IMC 10) hPL "R'"C TS•R •u, I lH Uh TS•R•<S.RE'U))))) TSIS1B ,. SYMISCCX•TSCPLICR•S>•X>•

PLICKNwR•CTS"R"(R,RE(X)),TS•R•(S,IMCXJ )),PL•R•trs•R•tR•IM<XlJrTS•R"<S•RECXJJ )J.TSISlU : ISC~LICMN•R•tTS•R•(R,RECX)J,rS•R•(SriM<XJ)),.

-5.12 Pl -R•u S"R•tR• IIHU )• TS•R• (S, REUJ) )), TSCPli<fbS1 •X)) H·Y3 s

s a rs := ISMN12~R•trs•R•CRECXJ.RE(PLI<R•SI))• TS•R•CRE<XJ,RJ,TS"R"CI8CXJ.IKCPLICR,S)

Page 116: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

rs

S il TSIS2A

TSISZB

z a u:tsn .. nl

))~Ts~R•<t~C~>.s>~ISTSZ<RECPll(R,.SJ)~ R•RECX)rREIS!~ .. Sl)~tSTSZ!IHCPLI<R,.S>J, S.>HH X h IKIS (R,S Hl : IS"'R•U ETSC XrPLI<R,S)) ,MN"R•CTS .. R,.(RECXhR h TS•R•(IM( x>

:.. ISPllZ•R .. C TS .. R .. ( RE CX ),. IfHPLI CR rS >) l, JS•R•CRElXJ,.Sl.tS·R~(tHIXJ,.REtPLI<R•S> }),JS•R•CIMCXlrRJriSTS2CIHCPLilRoS)J, SrREUh !KIS(R.S1hiSTS2{RECPLUR""Sl l. R~IHCY.J~r.EIS{R,S)))

·- ISR[CX12CRETS<XoPLI<R•S>>• MN"R .. <TS·~·(RE!Xl;R)•TS•R•(IM(X),.SJ},. lMTS(X,PllCR.S>lrPL•R•CTS•R•<REtXJ.S),.

.. sn >

IS"R•CI MTS(X,PLHR .. SU ,pL .. R•<TS'"R'"(RE( X Jr S h TS .. R'"< IM< :0 ~RJ)) .

TS•R•< !M<X ), R> h T5•. V3"• !ó'". Vl .. ) ·: IS(TS(I( ,.pu (R,.S J hPLH MN""~·ns•R .. CRECX hRl •TS•ff"CIMCX >•

:= SY"ISCCXrTSCXrPLI<RrS)}, P~I(HN~R•(iS~R~!RECXlrRJrTS~R~(IMCX), SJ)rPl~R•tTS*R~!RECX)rSJ,.TS•R•CIK{X),

SJl.Pl"R•(tS•R•tRECXJ.Sl,rS•R•Ctr.txJ,.R))))

R))),TSIS2Al : ISC?LICMN*R•crs•R•<RECX),~).TS•R•(JM(X)rSll• Pt•R•tfS"R•<RE<X>•S>;TS•R•<tH(XJ,R}J),TSCX•PLI<R•S>>J

xsrs1 == tsrccx.cx.cr:cxlrscr,z>.x.r .. t> : rsuscx .. n. rsn .. zu ISlTSCZ .. x hTS( z, YJ J ISTSl := zsrccx.cx.cr:cxlTSCZ.TJ.x,y,I>

Z 3 [U:ClKPLEXJtt:tS(X,.Y)l(J:ISCZ,UJJ ISTSl2 := TRISCCX,TStX.ZlrTSCYrZlrTSCY.UJr

Y :::a n

ISTSl<XrY•l•IlriSTSZ<z,.u,y,J))

:= ISKN12"R .. <TS .. R .. ( ~E(Xh REC Ylh TS*R•CRE(YJ .. RE(XJJrTS"R•ttK(X)r!KCYJ>• TS•R•<IM<YlriK(X)J,COMTS<~E<XJrRECY)),

COMTSUIHX h II'O'))) : IS .. R•n ETSCX .. YhRETS<Y •XU TZ

Y il 5ATZ!23

CO MTS X :il ti:IS(XrOCJl

LEMKAl

LEKMA2

X a HOOZ

I a U:M11A3

:= TRIS(R,Al•IMTSCX .. Y)rPL•R•(TS"R"(IMCX),. RECY>>,TS"R•(RECXlri~<YJJJ,.IHTSCY•X>• COHPL•R-<TS•R•CRECXJrlMCYJJ, rs•R•ctH<XJ,RECYJ)), ISPLlZ•R•tTS•R•<tKCXl•RECY)J, TS•R•CRECYl•t~(X)J.TS•R•<RECXJ,.IMCY)),.

TS•R•CIMCYl.RE(XJl.COMTS{IMCX),RECYJ), CDHTSCRECXl•IMCYl)J)

:: ISRECXlZCRETSCX.YJ,RETSCYrXlriHTSCX~Y) ,. I KT SC v.x>r r t• • .Jzzo•. rz· .3zzo· J

:: SATZZZO

:: TRIS<REAlrRE ex h RE COC hO• ISCERECX .. OC,I>rREIS{O•OJ)

:: TRISCREALrlKCX)riHCOCJrO, ISCEI~CX .. OC,.IlriMISCO,,JJ

:a PL•P.•CTS•R•CRECXJrRECXlJ,JS•R•(tMCXJ, IM<:O J J

:: TRJS(REAL•~D02,Pt•R•(Cr0)•0• lSPL12•R•CTS"R*(RECXJrRE(X)),C,. TS•R•CIHCXlriM<X>>•O•TSOlCRE(X),RE<X>• LE~HA1l,TS01CIMCX> .. tM(XJ.LEHKA2JJ~

: ts•R•CIHTS<X•YJ•IHTSCYrXlJ

ISHSU ,Y),JS(T.,X)) ISCTSCtrYJrTSCY,XJl

: IS•R•n EU hOl

. ts"'R•U IHXJ..O) . : REAL

PL,l<O•O#~EfiSCREAL~O))J : IS"f:t•('400~CXhOJ

s

s

s

- 5.13

Page 117: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

x a (N:tUSU#OC) l

••V3 ' x a RE2 ::: TS•R•<RE<XJ,RECXl) : REAL

IHZ ::: Ts~~·<I~<Xl•!M(X)) REAL N a ti:IS•R•<RE<X>•Oll

TT ·- TH3•L•IKP"C4S.R"CIMCX>•O>•IS<Xr0CJ•N• tT:IS"~•{J~CX),Q)JTRISCCXrX•PLI<RECXl• IM(X)J,OCr:SPtiCXl•!SRECX12tRECXlrO• PHo.o.r..nl> NIS•R-t IH<X !PO)

T6 :: IS?DS(I~Z.M002rSY~tSCREALr~002oiM2• Plvl(RE2oi~2.TS01CF.E(XloRE<X>rl)llo

#

POSSQtiM{Xl•TTtl POS< MOl 2) N 2 [Q:NIS"R•CRECXJ.OJlCI:Is•R•CIHCXlr0)1

i9 ::: lSPOS(REZr~CDZrSYHIS{REALrMOD2rREZr PlOZ<RE2riM2riSG1<IHCXJ,!M{XJ,I))), POSSi;;{ RE <X~. Ol l : PDSC HOl Zl

0 a (P:NIS•R•CIHCXloOlJ TlO ·- POSPltRE2oiH2oPOSSQ(~((X>•O>•

POSSQC IIHXh P» : POS( KOJ 2> 0 ~ TH ·- 7Hl"L.IHP~(1Sft~·<IM<Xl•O>•POSCMGD2J~

[T: IS"R•CI M{ X hO }JT9(T h [T:NIS"R•(JM(Xlo0JJT10(T)J POSCKO) 2)

-Y3 s

N a LEMHU ·- TH1~L.IMP•<IS•R•<RECXJ~OJ•POS<MOD2l• CT:Is•R•tRE<XJ.O)JT8•.v3•(f), [T;NIS•ft~(RECX)~OJlT11•.v3•tTlJ : POSCHOl ZUl)

x a LEMMA5 == THt•t.IHP•<IS<XrOCJ~NOT<NEG<MOD2llo [T:IS<XoGCJJONOTN(MOD2•LEMMA3(f)); tT:NIS<Xr0CJJPHOTN(HODZoLEMHA4(T))) : NOH NG CHDOZ<U U

y iJ [I: IS<XoOCJl

•3221 s

Tl _;= LEltKAl <X, IJ : IS""R•c:tEUhOJ TZ == lEitMAZUri J : IS"'it•U HUhOJ f3 == TRISCREALoRETSCXrYJ•MN•R•COoOJrO•

ISMNlZeR•(fS•R•CRECXJ.RECYl>•O• rs•R•( IIHX h HI<Y> hO• TSOHRE<Xh RE(Y Jo TlJ,TSOl<IMCil.!HCYJ,TZJJ~ SATZ187CCO.OrOrPLOZCO•O•REfiSCREAL•O>l )) : IS"'R•(!t ETSC x,. YJ,. 0)

"' :: TRIS<REAL•IMTSCXrYloPL"R•<O•O>•O• ISPltZ•a•tTs•R•<RE(X),.IM<YJlrC• TS•R"Cllt{XJ.RE(Y)),O,TS01CP.ECX)o!K(Y), T1JrTSOl<IKCX>.~E<YJ,T2J), PlJZ(O.OoREfiS<REAL•Oll> IS"R•<IHTSCXrYloOJ

•3221 s

SATZZ2U == ISRECX12CRETS(X,YlrOoiHTS(XrYJrOr T3•.322t•rT4•.32Zt•J : IS<TSU ,y ), OCJ

y a U;IS<YrOC)J SATZ2Z18 := TRIS<CXrfS(XrYJ,TS<YrXJrOC•COMTS<XrY)r

SATZZZlACY.Xri)) I SU SU ,.Y),OC) • 5.14 -'( <I ct:rstrscx.r>.oc>l

h32Zl

Page 118: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

I 2 CN:Ntsn.ocn T5 :: LE1'4MA4(Y riU POSC MOl ten) T6 :: rR4SlC~E~L~RETStX,YlaOaREtTStXaYJJa

REIS ( RET Stxa Y),. I!IT S< !Ca Y)), LE~KAlCTStXaYJ,I)l : lS•R .. H ETSC X•YhOJ

H :: TPISlCREAlri~TSCXrT)~Orl~CTSCX,.Yl)a I M! S ( RET SC X, Y 1 , I !IT S { j: • Y ) l • lEMMA2<TSCX.Y>ri iJ : IS""R•U HTSO:a U a0)

T8 == TRIS!REALrPL·~·crs•R•CRETS<XaY)rRECY)) aTS~RM{!~TS(XrYl,!M(Y)))~Pl~R•(O,O)r0•

ISPl12~R~crs•R"(RETStXaYJ,RE(Y))a0r >S"R"<IHTS{X,Y)r!~~Yl)r0•

TS01(RETS(X,Y),.RE~Yl•T6>r TS01{!HTSCXrYlriYCYl~T7JJ• PL02{0,0,REFIS(RëAL,~))) : IS•ft•p L•R•ns•R•<RETS u,.r hRE( Y> h TS•R"<I!'TS(Xr Y ),.

l!HYl)) ,o) y :1 IIlR :: TS•R•crs•R•Ct~CX),!~CY))aRECYJJ REAL

IliR ·- TS"R•CIM<XJ,TS•Rw{!KCYl•Rf(Y))) REAL IRli ·- fs•R•(TS•R"C!M<Xl,Rf(Y)),IM<YJ) : REAL Il~I ·- TS"R"t!~<XJ,TS"R~CRECY),JKCY>>J REAL R!UR ·- TS•R•<TS•Rw(RE(X)r~E(Y)},q((YJ) REAL ~1!B :: TS•R•CRE(X),TSr~~c?.ECY),RE<YlJl REAL RUR :: TS'"~ .. < Ts•R•( R;::(X h I HUl hRE'O J l : REAi. !Hl~ ·- TS~R"(R((XlrTS"R~CIH(YJrRE<YJJl : RE Al RUI == TS"Rn(TS"R"(Rf(XJ,IMCY)J,lM<Y)l REAL •uii ·- TS•R•(Rf(Xl•TS~R"(I~CYJriM(Y)JJ : RE At.

" :1 T9 ·- TRIS<REAL.!IlR,I1IRri1RlrASSTS1<IMCXlr' IMCY)rRECYJJ•ISTSZ"R"CTS"R"CIHCYJ• RE(Y)),.TS"R"CRECY)rl"CYJJ,IMCXJr COMTS"R"ClM<Y>rRE(YJJ)l : IS""R"U IlR• URI J

T10 := TRISCREAL~rs~~"(RETS<XrY)rRE(YJ), KN"R"<RR1Rri!lRJr~~·R"(RlRR•!1RII• OISTTHlCTS"R•tRECXJ,RECY)),TS"R•CIHCIJ •I~CY)l•RE(Y)JriS~NlZ"R"<RR1R•RlRR~ IllRrilRI,ASSTS1<R!<X),RE(Y),RE(Y)), f9)) : ts-a•n S"R"<RETSCX• n. RECY') h MN,.R"'( R1RR,I1RI))

TU := TR3IS(REALrïS"R"CIMTSCXrY).IMCY)), PL*R«<Rill•IRl!l•Pl"R•CRlii•IlRIJ• PL•R•<I1RI•~l1l>•DISTTP1(TS"R"<RE<X)r 'I"(Y)J,TS"R"CIK<XlrRE(Y)JriKtYJJ, ISPtlZ•R•CRI1I,R1II.IR1l•IlRI• ASSTSlCRECXlriM{Y)~IH(Y)),ASSTSl{!H(X)

"RECY h I M( Y> l lrC OMPL "R"{ R 1 It r I1P.I H : ts-a•cr S"R""( Il1T SC x, YJ, IMH J J,. Pl. •ft•( I lR X. Rl I I l) T12 == TR4ISCREAL•Pl"R*(TS"R•<RETS<X•Yl•RECY)

lrTS"~"<IHTSCXrYl.IM(Y)J)r

Pl'R"(MN"R"<RlRR•IlRilr PL .. R"C IlRI,!H ID ),. Pl "R"(PL .. R .. OIH'"R'" tR1RR• IlRIJ, IUU.Rl II>• Pt•R•<RlRR,Rl!IJrTS•q•(RECXl.MDDZ<YJ),. ISPllZ .. R•( TS":?~( ~::: T Sex, Y h RE< Y )),. MN .. R"( Rl RR, IlRI >. TS .. 'l,.( lHT St Xr Y hiMC Y)

JrPL"R"<ttRI•Rlii>rTlO•Tll>• ASSPL2"R"UIN•R .. C RlRR.Il RI hi1RI.Rltl ), iSPLt•R•(pt•R•<HN"R"CRlRR•IlRI)•IlRI>• RlRR.Rlii,PlMNCRlRR,IlRI)}, DISTPTZ<RECX>,TS•R•CRECYl•RECY)), TS"R•t UHY h t!'H Y)))) : IS"R"T" l"R'"CTS•R"CRETSUa J' hRECY> h TS"R•<Inscx. Y J, -5.15-

I~CY)))rTS•R•fREtXl,HOD2Cf)))

Tll =~ TRIS1CREAL.ts•R•CRE<X>,KD02(J)),O, PL*R•trs•R•(RETS<XrYJ.RE<YJJ, TS"R•t Il1TS ex, Y )~ IIHY l: h T12• 18) : IS~·trs•R"CRECX>•KOD2<YJ)•01

TH ::: OREl<IS•R•<RE<XJ,~),JS·~·<HOD?.(YJ,OJ,

Page 119: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

SATZ !12C CREC Xl. KOOZC Yh T13 h PNOTOC~002(YJ~JSJ) : ts•R•n ECXJ 100l,

T15 == TRIS H REAlr TS .. R"G!H :o~ IIHY> hO,.· TS•R•<?.E<X>•RE(Y)), SA TZ·18 ZB <i S"R"{ ?:;:oo,. R!:! Yl ), TS"R"(lMIXJ·IMCY)),fil~tSOlCRE(X)r RE(Y ), Tl4)) : IS .. R•CT S"R"C IM< X h II'CY lh l J

T16 :: TRISlCREAL,TS"R"<IMlX),RE(Y)),Or IKTS<X.Ylr?LO!<TS"R~{P.ECX),IMfY))• TS"R"(!M<X>,RECY)),TSOl(RE(X),IKCY)r T14JhT7) IS"R"'U S"R .. UHU hREH )),.) )

[J:IS"R"CRECY>,.Oll T17 == TT"C.VJ•(y,.N,Ji NIS"R"( I!HY ),.Q)

T18 ·- OREl<I5"R"(lM(X),.O),IS~R"C!H(YJ,0),.

SATZl92CCI~<X>ri~CY),T15),T17) : JS•R .. UIHXhO) N ; [0:NIS"R"CRECY)r0Jl

T19 :: OREltiS"R"CIMCXl.OJ,IS"R"CRECYJ,O)r SATl19ZCCI~<XlrRE<Y>,T16)~0) : IS•R•<t HUJrO)

N ; TZO := THl"l.I~P"(ISwRftCRECY}~OJ~!s•R•<IKCX)r OJrtT:ts~R•(RECYJ.OJlTlStT>, [T:NIS•R~(REtYJ~Cl1!19(f)J IS .. R•CI PHXJrOJ

TZl :: TRISCCX•X•PLI(F.E(X),!H!XllrOC•ISPLICX) .ISRECX1ZCREfXJrO,IH(X)r0rT14,TZOlJ : tsn .. o:,

•3221 s

I • snzzuc := THZ"L.OR"<ISCXrDCJriSCY•OCJr [T:NISCYrOC>lTlt•.JZZl•CTJJ : ORCIS((,OCJriSCY,.Ot)J

y a [N:NISCXrOCJl[O:NISCY;OC>l SATZZ2ll == TH3"L.IMP•tiSCTSCX,Ylr0ClrOR<ISCXr0CJr

ISCYr0C)JrTH3~L.OR-ciSCXrOC>rlSCYrOCJ; NrD>~tT:ISCTSCX,Y>•OC;lSATZZZlCCTll : NISCTSI XrYhOCJ

+32ZZ s

x ; Tl := TRISCREAL.~N"R"CTS•R•tRECXJrlRl>r TS•R•CtKCX>~OJJ,HN•R•CRE(XJrOJ,RECXJr lSMN12,.R"( TS"R'"C RE <X >• lRL hRE < Kh TS•R•CIMCXl•OlrOrSATZ195CRECX)), TSOZCIKCXJrO•REFIS<REALrOJ)),. P~OZCRECXJrMO•R"(O)r SATZ17ó9(Q,REfiS<REAL,O)J)) : IS"R•(.IC N•R• ns•R•(R E<X hUL J. TS•R•( U'C X hO)), RE (l())

rz ::: TRIS<REAlrPl"ft•(fS•R~<RE{Il•OJ• TS"R*(lMCXl,lP.l)J,Pl"R•(O,!H(XJ),JM<XJ •ISPllZ•R"<TS"R"(R~(X),Q},O•

TS"R•<IHCXJ,1Rl>•IHCX>,TS02<RE<X>•Or REFIS<REAL•OJ)rSATZ195<IMCXl)), PLOlCO~IM(XJ,qEFIS<REAL•Oll) : IS*R•(»L•R•crs•ft•CRE<XJ,O),fS"R•CIH<X>•lRLJ),.IM<X>>

•3Z2Z s

x a SATZZ22 == TR3I S(CX,. TS< X.lc h Pl.ICHN•R,.<TS•R•(RE CXhlRLh TS"'R .. < H!CX>..DU,. PL"R•<TS"R"CRECKJ,OJ,TS•R"'<IHCX),lRL)) >•PLI<RE<X>riH<X>l•X~TSISZA<X•lRL•Olr ISRECX12<~N"R"<TS•R"(REC1),1Rtl, TS•R•CIH(Xlr0)},RE<X>• Pt•R•<TS"R"(RE<X>rO),TS"R•CIMlX),lRLll -5.16-, Il't<Xh T1".3222'"" tz• .. 3222" h PLU SU>) Is U SC( rlChXJ

SATZ222A :• SYHISfCX,. TS( l•lChX~> SATZ222l : IS <X• TS CXrlCH SATZZ!ZB := TRIS<CX.TSClC•XlriSIX•lCl-Xr

CDMTSC1C,X).SATZ222l ISCTS<l CrXhX)

Page 120: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-32Z3

SATZ22ZC

Tl

T2

SATZ2Z3

SATZ223A SATZ223B

SATZZ23C

Y ; RXRY IXIY UIY IXRY n

:= TRIS( REAlid'IN'"R•CTs•R'"( ~EC )( >• MO*R"URL l J~rs•R•(IMtlJ~M?•R•(Ql)}, MS'"R•CMO'"R•<RE(X)J,aJ,MQ"R•cRECXll, ISMN12"R"( TS ,.R•( RE Cl( hM? .. R"< IRL > h HO•R"CRE{~)lrTS"R~{I~(X),MO"R•(Q))~O, TRISCREAL.TS~R"CRECX),~~·R•<lPL)>~ MO~R•crs-R~{RE<X)•1Rll),M0'"R~CRECX)),

SI\ TZ 1 9 7 S ( R ~ < X h l RL h ISHOPR~trs•Ra<R~(Xl•!RLJ•RE(X;,

SAiZ115(R[{~~)I),TS02CI~CXloMO"R"(0Jr

SATZ17&BCO•REFIS<REAL,OJJ)}, PL02CHO"R'"(RECX)J,M0"R'"'O>•

: rsn .. rs nc,.xn

SA TZ 1766 C 0, REF IS <RE At, 0)) IJ : IS-~t•n N'"R" <TS•R .. CR E<X h Ml *R'"{ 1 RL}), TS"R'"( Ilo!(X),

:: TRISCREAt~?t•R•crs•R•(R[CX>,HO'"R'"(0)J, TS"~"(IM(X>•~'·Rft<lRlJ)), PL~R"COrKO•R"(IMCX))),MO~R"(I~<X))~

IS?l12~~~\;S•R~(R~tX>•~?·R•<O)J,Or

TS"R~CJM(X)rMD"R"ClRLJ),HO•R•CIH(X))r

TSDZCR((X>•~O"R"(Q),

SATZ1768CO.R~FIS(REAL,OJJ), TR!SCRE~t.rs•R"C!M<X~.MO-R"C1RtJ), MO•R•<rs·~·CIMCX),lRt)J,MO"R•fiMCX)J,

SATZ197BCIM(X),1Rll• ISHO•R~crs•R•<IKCXlrlRLl•IMCX),

SATZ195CIHCXJJJ)JrPl01(0•MO•R"CIMCXJ)r

KO-P.•(,))J,MO"R•CRECX)))

REF"I S( REAL,.O J l > : JS"R•Pt•R•CTs•R•(R[(X hM3"R•(O)), TS'"R•UHUJ,

;: TR,ISCCX.TSCX,HOCICJJ, TSCX•?LI<HO"R•(tRL>•~O·R•CO)))r

PLI<MN'"R"CTS•R•(RECXJrKO"R"(lRL)), TS"R•CI~tXJ,MO"R"COJ)},

Pl"R•CTS"R"(RE<XJrHO•R•(O)), TS"R"CIMCX).~0"R"(1RLJ)))~

PLICHO"R"CRE<X)J,"O"R•CIHCXl));KOCX)~ ISTSZC HOUCJ, Pt:( ~O·R•(lRlh ~O"R .. (O) h KrMO ISH lRl• 0 J Jr TSI SZ.U Xr HC"R .. ( 1 RL)., MO"R"(OJ>•ISRECX!Z<MN"P"CTs•R•tRE(Y.); HO•R•C!RlllrTS"R"<IH<XJ,MO"R"COJJ), HO"R•CREC~l)rPt•R~CTS"R"<~ECXl• KO"R"(0))~TS"~"<IP.CXJ~M~"R"<1Rl)));

KO"R•Cl~<Xllrf1".3ZZ3•,rz".3223"l•

MO"R•(l RL)) hMO'"R'"( IH( XlH

SATZ214A(Xll . ISCfS(t,MO(lC))rHOCXJ) :: SYMISCCXrTSCX~M0<1ClhM~HXJ .. SA'l'ZZ23J ISCKO(( hTS<X.KOUCJ)) :: TRIS (C Xr TS 010( lC), X h TSO:,MO< lC) .),

MO{Xl•COMTSCHDC1C)rX1rS4TZ223) ISCTSC~O(lClrX>rMO(X)) := SYMISCCXrTSt MOUCh X hKOUhSATZ2238) : ISCIIOC'( hTS< HO( lChX))

:: TS"R•(RE<X>•R~<YJJ := TS"R•tiMCX>.IMCYJ) := TS*R•(R({Xlr:H<YlJ := TS"R-CIH(X>•RE(Y)J ·- TR4 IS( RE. AL ~MN,.R'"( TS"R .. ( MO"R"f RE( Uh

RECY}l,TS•~•(HO"R•(IM(X)),IMCY))),

REAL RE Al REA:.: REAI.

s

s

-5.17-

Page 121: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

f2

-322ft

Y - SATZZZU:

SATZ2Z48

SATZZ24C

SATZ2ZitD

SATZZ24E

SATZ224F

KN"R-t~o-R"tRXRT1~~~ft~r{lXITJ1o

PL"R•(MO"R"(~XRY),!XIYJ,

~N·R"tiXIYoRX~YJ,~O"R~<~~·R•(RIRY~

IXIYJ).IS~Nl2"R"(iS"R•tMO"R•CRECt)Jr RECY!JrKO•R•!RXRYirTS•ft•(MQ•R"t!MCX)lr IHtYl)r~O·R•tiXIY>~SATZ197AC~ECXJr RE<YllrSAiZ197ACI~{X)~IH<Y>)lr ISl"tZ•R• UIO'"R .. C MO"R" < IXI ~ J), I XIY • MO"R"CRXRYl,SATZ177{IX!Yl)r CC~Pt"R·C~O"R"(RXRYlo!XIYJa SA iZ 181A U XI Y • RXP.'!' l) : I s•R•f'l N•R .. <TS"R "( I!O"R •<RE 00) • RECY) h T S"R"( MO"R"( !HC X)

:: TRISCRrALoPl~R•crs·~·(MO"R"<RECX>>• IM<Y)) • TS"'?.'"( MO•P. .. < I I'(X) hREO l) h KN"R"(HOPR"<RXIY>,IXRY)r HO"R•CPL"R"CRXIY,IXRY>lr ISPL 12•R'"( TS'"R .. (HO"R .. t RE< X)), IlH U), MO .. R"<RXI~i•TS"R~CMO"R"(!MCXl)•RECY))~ "0"R~(IXRYJ.S~TZ197ACRE<Kl.IM{Y)J~ SATZ197ACIH{Xl,~~(Yl>>•

),; VHYl ) bMO"R•OUi"R•c RXRI' • IX IY>))

SATZ180A<RXIY,IXRYll t IS·~·c~L-R"CTS•R•tMO"R•(R~CXJJ~I,<YJJ,TS•R•<MO"R"CIM(Xl >•P.ECYl >>•MOwR"<PL•R"CRXIYriXRY)))

:= TR4lS(CX,TSCMOCXJrYl.· TS<PLICKO"R"CRE(XJl,MO"R"CIMCXJ)lrY>~ PLICHH•R"<TS"R"<MO"R"(RE(XllrRE(YJ), Ts•R"CHO"R"CIM(X}J,IM<Y>>J~ PL"R•(TS"R~(HO"R"<RECX>>•IM(T)),

TS•R"CMO~R"C I~CXJJ,RE(Yll>l• PliCMO"R"(~H"R"(TS"~"(RE<X>·RE(T))• TS"R"CIH<X>•!M(Y1lJ>• UO"R"CPL"R"CTS"R"CRE<X>~IK<Y>>• TS"R"<IHtXl•RECYlJlll•MO<TS<X•Y)), I STS H MO <X)~ PLI< KO•R"< RE< X)), MOPR"CIH<X>>>•Y•SATZZ14<XJJ, TSISlA<Y,HO"R•<RECXJlrHO•R"CIMfX)J), ISRECX12CKN•R"CTS•R•CHO•R•CRE(X)Jr RE{YJ>~rs•R•<MO•R•<IKCX>>•IMCY))), HO•Rw(MN"R"CTS"R•CRECXJrRECYJlr TS"R•<IK{X)riMCY)J)), Fl~R•CTS"R"C~O"R~(RECX)l~IH(Y)l• TSPft«(HQ•RwfiM(XJJ.RE{Y))), MO*R"CPt•R~CTS"R"CRECXl~IMCYllr TS•R•<IMCXlrRECY>>>lrT1".l2Z4", T2".3224•)•KOISBCMN•R•CTS•R"<RE(X)• RECYl)rTS"R•(t~(Xl•lHCYJ)>• PL•R•crs·~·CRE(X),IM<Y>l7TS"R"tiHCXJ• RE<Y)) l J J IS<TSC'40(XJ,YJ,MO<TSOC,.YU J

:: TR3IS< CX "'TSC X• KOCYH• TSOIOCYJ,. X>r MO<TS<Y, X> h 140CI'SCX, Y> hCOMTSOC• KO<Y) J •SATZ224ACY•X>•IS~OtTS(YrXJ•TS<X~Y>r COHTS(Y,X))) t ISCfSCKrltOCUhKOCTSU.YH)

:: TRI52CCXrTSCMOCX>•YlrTS(X.MOCYll• HOCTSCXrY1)rSAT7.2Z4AoSATZZZ46) : IS<TS{~Q(X)rYJrTS(X,~O(Y)))

·- SYMIS(CX•TS(~0(K),Y)riS(X.HOCYJ)r SATZ2Z4C) ISUSU rM0(Y)hTSC!10CXJrn)

:= SYHISCCX~TSCMOCX)rYJrHOCTSCX.Y))r S4TZ2'24U : IS<MOH SUr Y )), TSUO<X J. n)

::: SYHISCCX•TSCXrMOCY)JrMO<TStX•YJJr SATZ2249) t !S("tCH S<XrYl),TSClt .. MOCYU)

s

- 5.18-

Page 122: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•322&

SATZZZ5

SATZZZ5A

Z :il RR!1 IIR iUI I 1H RRI III RIR IRR Tl

Tl

:: JRIS{CX•TSCM~CXl•HOtYl>•TS{X,MOtMO(YJJ J,TSCX~Il•SATZ224C(X,M0(Y}l• ISTS2<MOU!O<Y1 h Y,'f.., SA rZZ15<Y>n : lS<iS(ltOCXJ~MOC'OJ..TSC l(,Y))

:s SY~IS(CXrTS(~0(X),~0(YJ),JSCX,Y1• SATZ225> IS(TSU ,YJ,TSCMOCU.Hl)(Y)J >

:: TS•R•(TS•R•(~~CX>.RECY)),RECZ)) :: TS•R•trs•R"l!~(XlriM<YllrRE<Z>J := rs~R•(~S"R~<HEtX!,fM(YJJ,IMCZl> :: Ts•~r<TS"~~(!~CX)~?.ECYJ),!M(l)l := TS•R*CTS·~·C?.~<Xl,~E(Yl>,IM<Z)) :: TS"R•{TSftR•(IM(XJ,!MCY>>•I~<Z>> := TS•R•CTS~R"(RE(X),IHCY)J,RECZ)) :: TS"R•CTS'"R"( Ill{::O•RE:<Y)).oRa:::<ZH :: TR3IS(F.EAL,MN•R•<TS'"R"<P.~TS<X•Y),RE<ZJ

!•TS'"?.~CIMTS(X,~>•I~CZ),l,

H~·~-(M~·~~{R~R~IIR>~P~~~"<RII,[Rll),

?L•?.•(RRP.•Pl~R·c~~~R~!IIP.l,

MJ~R"<PL*R•tR!I.!P.IlJ)),

XN·~·<RRR,Pl"q"(IIR•PL•R•CRilriRIJ)),

ISMN12"R"{TS•R~CnETSCX~Y>rRE(Z)),

~~-R"CRRR•IIRlrTS"R•(tMTSCX,YJ,JM(l)J• Pl~R"{RII,!R!>.O!STTM!(TS"R~CRECX), RECY)), T S .. R. ( P!{ Xh UlO')) • R~ ( Z> i, O!STTPlCTS•R•(RE(X),lHCY)),TS•R•(IMCXr ·~ECY))riH<ll)),ASSPL1•R•(R~R•

MO"R"<IIRJ,MO•R•(Pt•R•(RII·IRJJ)J, ISPLZ•R•cpt•R•(MO•R•ttlR>• H~•R•(pl•R•CRII.IFI)l},

xo•R,.< PL *R•( IIR• PL •R•C RII •lP. I)) hRRR"

: REAL REA~ P.F.:AL ROL REAL REAL REAL REAL

SATZ!30ACIIR~PL•R~<RII·IRI>>JJ : IS-R·C~N·R•CTS•R•<RETSCX,rJ.RECZ)J,TS•R•Ct,TSCX,YJ,

:: TR3ISCREAL,PL•R•<TS•R•CRETSC%,Y>riHCZJ ),Ts•g•(IMTS<XrYlrRECZ)Jl, PL•R•CMN•R•tRRiriiil•PlftR'"<RIRriRRlJ• PL"R•( Pt .. R"C RIRr IRIU, MN,.R'"_(R!U,I Il )) • MN"R"<PL"R"(Pl"R"CRIRriRRJrRRilriii>r ISPLlZ'"R'"<TS•R•CRETS<X,YJ.IM<Zl), MN'"R"CRRiriii>rTS•R•<I~TS(X•Y>rRr<Z>l• PL•R"CRIRriRRl.OISTTKlCTS'"R"<RECX), RECYJJrTS•R•(JM(XJ•IMCYJJ,I~CZ>l• DISTTPl<TS"R"{RE<XJ,IH<Y>>•TS•R•CIM<X) rRE<Y>lrRE(ll)},C~~Pt•R•<MN•R•(RRI• III),pL•R•<RIR,IRR)), ASSPLZ~R•(PL"R•(RlR•lRR),RRI• MO .. R"C II I)})

:= TRIS(CX.TSCTSCX•Yl•Z>• PLICMN*R•<ïS"R•CREiSCX.YlrRECZll~ Ts•R•tiHTSIX,YJ.!MCZl)), Pt•ft•(TS"R"CRETSCX.Y),IHCl)), rs•R*CIHTS(X,Yl•RE(l)}}), PLICMN•R"CRRR.PL·~·<ttR.PL·~~cqii•IRIJ )),KN~R-CPL~R•(rt•Rw<RIR•IF.F.J,RRIJ•

I!I)),TSIS1ACZrP.ETSCX,YlPIMTS(X,Y))r ISRECX12{MMRR~<Ts•R•<RETS{X,Il•RECZJl• Ts•R•(IMTSCXrY)r!M{l))), xrrR"( RRR• PL *R .. < HR .. Pl*lt .. C RH• IRI)) J • PL•R-CTS*R•tR[TS(X,r>,Ia(ZJ), rs·~·{IHTSIX,YloREtZlJ),

IMCZJl)rHN•R•CRRR,Pt"R"(IIRrPL•R•CRII·IRl)J))

Is•tf•(" t•R•ns•R .. <RETS n.r h lf4C ZJ h TS"R•ct !'TS<X.o Y >• Rt<Z>»•KN"R•<PL"R'"(Pl"R•tRIR•IRRlrRRIJrJIIll

- 5.19-

Page 123: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

TlO

T11

:= !SMN12•R•CPL•R"<PL•R•CRIR~IRR>~RRI>, Pt•R"CPt•R"'RIRlriRRlJrRRil>,IIIriiil' T8rT4CIH<XlriM<Y>riH<Zll)

·- TRisccx .. rsnscx.n .. zh PLI<H~·R"<RRRrPL"R•ctiRrPL•R•<RIIriRil )),MN"R•<PL"R"CPL•R"CRIRriRR>•RRilr III>l•PLI(MN"R"<RRRl• Pt·~·<IIR1.PL•R•<RII1,!Rlllll• MNwR"CPl"R•(Pl"R"CRIRlriRRllrRRil)r

· IIIlll.T3riSRECX12CKN"R"<RRR. PL•R"<IIRiPL"R•CRII•IRIJ>>• MN"R"(RRRl.Pl"R•(IIRlrPL"R•(RIIiriRill ))~MN"R•CPL"R"CPL•R•CRIR•IRRJ,RR!lr IIIlrMN"R"CPt•R"<Pt•RwCRIRlriRR1), RRrl>riiil>rT9.T10))

IS•R•CHN•R•CPL•R•CPl"R"<RIRriRRlrRRilriiiJ, MN"R"<'L"R"<Pt•a•<RIRlriR~llrRRillriiill)

- 5.20-

Page 124: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•32ZS

UZ

T13

Z a SATZZZ5 ASSTSl ASSTS2

c a n

o a rz

T3

z a r4

;: TRISCCXrTSCXrTSCYrZ''•TS(iS(Y,zJ,X)r Pl!CHN"R"CRRR1.PL"R"(I!Rl, PL"R"CRli1•IRI1))), !Ul"R*( PL .. R" r Pl. "R"< RI Rb• IRRl ), RRI 1 h I1Iill.COMTS(X,TSCY~Z)),f3(YrZ•X>>

·- TRisz~cx.rscrscx.y,,z,,rscx.rscr.z>>• PL!<~~"R"CP.R~1.?L~P.*C!IR!•

PL"R"tRIIl•IRil>l>• MN"R"(?lnR~<PL•R"CRIR1,IRRl),RRil)r

IIIl »rTll.oT 12)

·- ru•. 32Z&· := SATZ22& ·- SYHISCCXrTS<TS(X,YJ,.ZJrTS(X,.!SCYrl)),

ASSTSU

:: TR3IS!REAl•PL*R•(pt•R•\A,.BlrCJr rt•R•CArPt•R•CB•ClJ,pt•R•CArPt•R"(CrB) JrPt•a•<PL•R•tArClrBlrASSPLl•R•tArB,.cr riSPt2•R*CPL"R"tBrC),.pL•R*(C•BJrA•

PL•R•CIIR1~PL"R•<RIIlriRI1)))~ . MN•R '"P L "~"<PL"R .. CR IRl • IR:t 1 hRRU hliil)))

: ISCTS<X.iSCYrZlJrPLICMN"R"CRRR1r PLWJ'!"U IRhPL•R,.CRIIl• I~It ))). KN"R•<2 L"R"<PL"R"CRIP.l,IR~l),RRil>•III1JJ)

: ISnsn SU,. Y hZhTSfXr TSCf •Zl >)

unsu sex, Y >.n. rsu. rsn ,n" : ISHsn su .. n,z".rsn, rsH .. n > >

: IStTSCXrTSCYrZllrTSCTStXrfJrZll

CDHPt•R .. CSrC >hA SSPt2•R•.u,.c,.s U : !S-R•(" t•R•<Pt•R•(ArBJ rC)., PL•R•<rt.•R•( ArChB)) :: TR3IS<REAl•PL"R•(pt•R•tAr8JrPt•R•tC•D>

),.pt~R"(Pl~R"CPt~R•(A,B),C),,),

Pt•R•(ptwR•CPl"~"{A,CJ.Slrûlr

Pt•R•CPL•R"(A,ClrPL"~·ca,.O)),

ASSPtZ•R•tPt•R*CArBlrCr)),. ISPll .. R" CPL'"R"CPL"R•O, 3 hC )r PL•R•<rt~R·(ArC)r8lrOrTllr

ASSPtl~R"(PL•R"CArC>•BrOJJ

·- TRIS<REAL .. MN"R•( Pt•ft•u,s hPL •R•tc.O J) •Pl"R"CPt•R"CArBJ•PL•R•(MO•R•(C), HO"R•(OJJ)rPL•R"{MN~R"<A~CJ,HN"R"(S,OJ

)riSPtz•a•<MO*R"<Pl"R"{~,OJ),

PL•R•<HO"R"<C),KO•R"CO)J,Pt•R•<A•B>• SATZ180Ctr0)),f2(ArSrKO•R•<CJ.~O"R"(0)

~ IS•R•C 2 t•R•CPL•R"(ArBJrPL•R•<CrOJJrPL•R•CPL"R•CArCl• PL•R•CBrDlJ)

) ) : IS,.ft•(lt N•R"CPL •R•CA ... BJ rPL•R•tCrO)),. Pt•R•(Mt.•R•CArC h

:: TRIS<REALrMN"R"<TS"R"<RE<XJ, Pl•R•( RE(Y ), RE<Z>H • TS"R•(!~HXh PL•R•(IMCY>riH<Z>J)), H~·R•CPL"R"(TS"P."(RE(X>~P.E<YJ), TS"R"<RE<X>rRE(Z)}J,PL"R"<TS"R"CIMCX), I MC Y) h TS"R"( I M(lCJ, IIU ZJ lU • . PL•R"< RETS\X• Y h RE l'S (X, Z}),

HN"R•(S rD )) )

s

s

ISHtnZ•R .. {TS"R"C REC Uo ?L .. R"<RECYJ, RE(Z)>),~L"R•CTS"R"CF.ECX)•RE(Y)),

TS"R"<RE<K>•RE(Z))),TS"R"(f~(Xlr PL•R .. CI.IHYh IMCl)JhPL"R"<TS"'R"<I!HXJ,. -5.21-I lH Y J hTS .. R .. U ~l( X),. Il1( Zl > J.. OlSTTPZCRE(Ä)•RECYJrRECZ>J• DISTTPZCIH<X>•lM(~),IHIZll},. T3CTS"R"CP.ECXJ~RE<YJlrT5~RnfRE{X)• RECZJJ.TS~9•(IM!XJ,IK<YJ>,fS"R*(!~(X)r

Page 125: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T5

T6

•3227

· SATZZ27 OISTTP1

DISTTPZ DISPT1

OISPU

SAiZ22!1

DISTFHl

I"CZ))))

:: TRISOH:AL• Pt,.R•c rs•R''TREC X h Pl,.R"( I!HY h Jl'ltZ))), TS'"R•(IMOO, PL"R"C REtrh REU ll > >• PL "R"( Pt. "R"<TS,.f!""( RE (X J, I !H n h TS"R .. ( RE( X h !'HZ n l• PL .. R"< TS"R'"( UHX h REO' > }, rs•R"( !I'H XlrRE( l))) h PL"R.<l~TSC~•YlriMTSCXrZ>>• IS?l!Z•RPCTS"R"CRE<XJ,PL•R"<!H(Y), :~(z~;),pL•R .. CTSP~"{R:CXlr[~(Y)), TS•R•(RECXl~IM<Z>JJ,TS"R"CIH<Xlr Pt•R"~'E(Yl•RE(Z)Jl•PL"R"<TS•R•t!~(X),

REtY)),iS"R"fi~<XlrRE(Zll)r OISTT?2(F.E{X),IM(Y),IMCZJ), 0 IS TTP2<I HOC h RE <Y l.o RE< Z)) J. T2CTS•R'"CRE<XlriM(Y)),TS"R•<RECX), I~<ZJ>,TS•R•<I~CX),RE(Y)),TS•R•(JM{X)r

IS"~ •(lt N•R• US'"R"CRE<X J..PL •ft•( RE<Yh REfZJJ ), TS .. R"'( IM< X) ;PL•R-t UHY h IM< Z>> JhPL'"R'"<RETS(Xp YhRETSCX, Z)))

REtZ>>>J : IS"~•(?L•R•(TS•R"CRE<X>oP~·R"CIM(Yl•I~CZ>>l•iS•R•CIMCX> ,.PL'"R•( RE<Y hREt Z> J )),.PL "~"(HIT SC x, Y h IMTSCX .. Z>h

:: TR3IS!CX~TS<X•Pl<Y•Z>>• PLI<HN"?.~<TS"R•<RECXJ.PL•R•CRECY}, P.ECZ)))oTS•F.ftC!M(X),PL•R"CI~CY>,.IMCZ>>

J)rPL"R"CTS"RutRE<XJoPL"R"<IM<YloiH<Z) JJ,fS•R•<I~tXJ,~l"R•(RE(Y}.?.ECZl)))),.

Pl!<PL"R"tRETS<XoYlrPETSCX,ZJ), PL•R•CIHTSCX,YJr!MTStXoZJJJ,pt(TSCX.Y) ,. TS( Xo Z> h TSISZA UoPt•R"(REl Y hRE{l) >o Pl"P.•<IM(YJ,.JH(Zlt)o ISRECX1ZCKN"R"(TS"R"(RE<XlrPL•R•(RECYJ oRE(Z))JrTS"R"(IM<X>•Pl"R•CIH<YJoiM(ZJ )lJoPl"R~CRETS(X,Y>•RETS{XolJlo

Pl3 R"(TS'"R"(RECXJoPL"R•CIM!YlriKCZJ))o TS•R•<IM<XJ,Pl"R"lRE<Yl.~E<Z>J!)o PL~R"<IKTSCXoYloiMTS(X,Z)J,T4oT5Jo

PliSlZBCRETSIXoYJ,.IHTSCX,YJ,RETSCX,ZJr tHTS<X•ZJJ) : IS{fSCX•PLCY•ZJJ,pl(TSCX•fJ,TS(X•Z>>>

::

==

== ·-:=

::

: ..

T6 ... 3227• TR3ISCCXoTS<PLIXoY>•ZJ,TSfZ,Pl(X,Y>>r PUT SC z, Xh TSC Zon h PL< TS( X.. Z h TSCYr Z> l•COMTS<PLCXrY>•Z>•SATZ227(ZrXoYJr ISPL tznscz,. u .. rsc !(,. Zh rsu .. n.rsn.u .c~HTSCZ .. X>•COMTS<ZoYJ>> SATZ227 SY~IS(CX•TS<Pl<X•Y>•Z)•PLCTS(X,.z)r TS(Y,Z)loDISTTP1J SY'IiS( ClC, TSC X• PLCYr Z) h PUTSCXoY h TS<X•Z)JrDISTTP2> TR4ISCCioJS(X,K~(Y,.z>>,.TSCXoPL<Y•HOCZ> )J,PltTSCX•YJ,TS<X•HOCl))J•PL(TS<X~Y>• HOCTSCX,Z>>>•M~(JS(X,.Y>oTS(XrZ)), ISTS2(H~{y,.z),pL(Y.M0(Z)loX•

SATZZ18CY,ZJJ,.OISiTP2(X,.Y.MOtZ)J, ISPL2( TS CX • HOC Z>), MO( TS< X• Zl h TS(Xo Y )o

S4TZ2248(X~ZJJrSATZZ10ACTS(X,.Y), rscx.z » 1 TR3ISCCX.TSCMN(X,YJ,ZJrTSCZrHK(X,Y)), MNCTS(l•X>•TSCZ•Y>l .. ~N<TS(X•Z>•iS(Y,z) )*CO~T5óMN<XrY)~Z>rSAiZZZ8CZoXrYJr

ISCTS<PL(XoYl•Z)•PLCTS(Xrl);TSCYrZ))) : IS<TSCXoPL<Y,Z)lrPLtiS<X,.r),TStX;Z)))

IS<PLU SCXo Yh TS<X• Z)) r TSl X•PUY ,z.)))

'

-:-- 5.22-

Page 126: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

t3229

•3229

+•3229

IS~~lZ(TSCZoXJ~TS(X•Zl•TS<Z•Y)•TSCY•ZJ , CO~TS( z, X h CO.'IT scz,. Y))) : ISU'SCH NU• n,z hKNt'TS (X ,z h TSU ,.ZJ))

~ISTTHZ :• SATZ2Z8 ISCTS((,MNCY,Z)J,."NfTS(X,fJ,TSCXoZ))) ~IST1Tl ;: SY~IS(CXoTSC"~CX•Y>•Z)~HN(fS(X,z),

rsrr .. z u.nsn 111, tsot:HT su. z hT sn .. zu, rsc HtH x .• y l•U 1 01ST~T2 ·- SY~!S!CX,TSCX•MNIY•Z>)•HNCTSCX,YJ,

TS(X,Zll•DISTTM2> ISC~N<TS(X•YJ,TS(I,zJ),fSCX·M~(y,z))) Y ~ tM:WIS(Y,OC>ltU1:COHPLEXJ(U2:CO~PlEXl[I:ISCTSCY,Ul>•X>

J[J:!S(fS(Y,UZJ,Xll

Tl TZ

T3

SATZZZ98

N OI n J

rv :REAL J DO

N :1 f5

T7

re

:: TRIS2CCX,.TS(Y,UlJ,TS(Y,Q2J.x,I,J} :: TRISCCX•TS<Y·H~CU1,U2))•MNCTSCYoU!J•

TSCY .. U2)),0C,aiSTTM2(Y,U\rU2>• SATZ2l391TSCYrUl1•TSCY.U2J~T1>J

·- 0~~2{!S{Y~9CJ,!S{MNCU1,U2J•0C), SATZ221~~Y.MN(U1,U2i•T2J,~l

: Isnsn .uu .. rsn,uz))

::: PNOTOOIOOZ<YhLEMMA4(Y,Nl> : NIS•R-c H002(Y},Q) := TS(Pli<CVCREU),KOOZCYhTit >~

KO•R•UlVUH( n ... HOOZ( n,. Tit) Ho U : COMPLEX

:: DVCV,KODZ!YJ.H) : REAL ·- TR3IS<REAL•MO~R•(fS•R•(tHCY),

M0•~*(00(l"(Y))})),

MO•R•tMO•R•(TS-R"(IMCYJ,OOCIHtT))))), TS•R"CiM<Vl,OOCIKCY)))~00{TS•R•<IMCYJo IM(r)l)o!SMO-R•crs•R•(JM{Y), MO•Rft(OO<IH{Y))))oMO"R"!TS•R"(IHCY>• DDCIMCYJ>JJ,SATZ197BCIMCYJ,QO(JM(YJ))) .S-TZ177CTS"R"(IMCYJ,OO<IKCYl)J), LEMMA&( I'lt Y),. IKC YJ, HC!>2( Y>• H)) : IS"'!f"'('tO•R•<Ts•R•( IH(Y hM) "'R .. CDDtiHCYJ)) >) •

:= TR3IS<REAL,HN"R•(TS"R"(RECYJ.DOCRE(Yll >•TS·~·<IMCYJ,MO•R•(OOCIHCYJ)))J~

Pt•R"(09(TS"R•<RE<Yl•RE(Yl)), OOCTS"R•(IH<Y1riK<Y)))),00fH002(YJ), 1RL• ISPUZ"R"( TS"R*( RE< Yl .. !HHRE 0 l U • OO<iS"R"<~E<Yl,RECYJ)), MO"R"<TS"R~<IMCY),KO"R•(OO(!KtYll)J),

00(TS•R•(IHCYJriM<Y))),.L[HKA6CRECY),. RCCYJ .. ~lOZCYlrT4>•T5>• LEHHA7CT S .. R" CRE<Y h RE<Y > h TS .. R .. ( IH:Y )o

ODCTS•R •t IIHU,IMCY ))) )

IHU) hMOOZ< Th T4hlEKHA8CM002n hT4 )) : IS·~·<~ N•R• CTS•R•(REU ).,DO UEU))), TS,.R•( I 11( Y h HO-rt"CO 0( I lH Y)))) h 1Rll

:= TR;S(REAL,TS"R•(REtll•MO•R"CDDClM(Y))) >•iS"R"tHO"R"CREiY)},.QO(IHCYl)), OOnS .. P."CMO"R"CRE{ Y> ), I:.I(YJ)),. SATZ1970(RECYlrD0(f~(Y})), LEHMAGOIO" R'" (RE( Y)} • IK!Y J •HOOZH h T4)) : IS"~":(f S'"R"'( RE<Y h .. O .. R'"< DJ (!HOl))),.

:: TRlS(REAL•PL•R•(TS"R"(~E(Y), NO•R•(OO<IM(Y)J)J,TS•R•<IMCY),OOCRECYJ J)),PL~P.~(00(TS•n•tHO•R•tREtY)J,IM<YJl ),~CCTS"R•CIV.(Yl,RE(Y)))),.

O:>H s•:t "<HO"R .. < RE<\" J h IMU))))

s

s

-5.23-

Page 127: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•3229

T9

110

T11

TtZ

N a SATZ!29A

SUZ229

:JV SATZZ29C SATZ2Z9D SA TZZ29(

OOCPL"R•crs•~•tHO•R•CRECYJJ,IMCY)J~ TS"R•<IM(Yl,RE(~)))),

ISPll2 .. R .. ( TS "R•( ?.E ( ~ hMO"R"(!}O (I lH Yl)) J-Dn(TS•R•(HO~R"(R~CY)JriHCYlJ), TS•R"'C I lH 'l' h OO<RE<'O )),QOOS .. R"UIHY ), RE<Y>llrT7.LE~~A~f!~{YloRECY);HQ02(Y)~ T4JlrLEH~A7CTS"R"(HD•R•(RECYtlPIHCYJlr TS,.R•( I HO' h RE( Y>), HOD2C Y), f4))

:: TR3IS<~EAL.PtMR"{TS"R•(H~"R"<RE<Y>J• IH(Y)J,TS"R•(t~(YlrRE(Y))),

PL "R"'( HO'R"( TS"R"( RE t1 hHH Y))) • TS~R"{[HCY>rRECYJJ)rN~·R•CTS"R"CI~(Y)r RECYJJoTS•R•CRE(Y)•I~CY))),O,

ISPLl"R•CTS"R"<HD•R•(R[(Y)l,IMCY)), MO•R•trs•R•tR~iYl•I~(Y))),JS•R•CIMCTJ~

RECTJJ•SATZ197ACRE(YJ,1MCYJl), CO~Pl"R•(M~·R•CJS•R"(R~(y),I~<YJ));

rs•R•CIMCYl•RECYll)r SAiZld2E<TS~R~<IM(YJrRE<Yl>~ Ts•?."CRE(Y)r!~{Y))~COMTS"R"(IHCY),

: IS"'R•(~t ,.R~trs•R•(Rf(Y hM) ,.R .. COO( ItH U))) rlS .. R•t I lH Yh DOCRE(Y)J)),QO(Pl"R"<TS"R•<MO"R"CRE<Yl)riK(Y))p Ts~-CI IHYhRECY ))) ))

RE<YJ))) : IS-R•<'L"R•crs•R•<HO•R•<R~(Y)J,I~(Y)),TS•R•CIHCY)rRECYJ

:= TR3IS<RE~lrPL•R•(fS•R•CRE(Y)P H3•R•(00(l~(YJ)l)rTS~R·CIM<YlrDD<RECY>

l)),O~(PL•R•CTS"R•CMO•R"<RECYJJ,IHCY); .rs•R•<IKCYl•RElYJ))J,DnCOl•O•T8~ ISFCREALrREAt.tT:REALlDO<TJr PL"R•crs·R~(MO•R•(RE<Yl>•IHfY)J~

TS•R•CIMCY),q[(Y)))r0rT9),

lhOJ

lEM~A9(H002CYl.T4l) Is·~·(~L•R•(fS•R•(RECY)rH3•R•(DDCIH(YJ)J),tS•R•(IMCY),

:: TRIS(C~,TSCYrPLI<DD<RECYJ), HO•R-(00(IMCYJ)l)}, PLICHN•R•<TS"R"CRECYJ•ODCRE<YJ)Jp rs•R•(IM<YJ.HO"R"<DD<IH<YJJJ))~ PL•R•(TS•R"<RECY>•HO~R•CDOCIHCYJ))), TS"R•(IK(Y),OO<R((Y))J)J,lC, TSIS2ACYrDDCRECY)),M0"R"COOC1HtYlJJl• ISRECXlZCKN"R"CTS"R"CRECYJ,DD<RECYJ)J, TS"R"<IM<Yl•MO"R"<DD<IHCYJ))J)rlRl• Pl"R"<TS"R"CRECYJ,HO~R"CDO<IM<Y>JJJ,

DOCRE<Y)))) •0>

TS"R .. C liHY J. OO<RHYJ)) hO • TEir TlO J) : ISUSCY •Pli (OO(RE<Y )), MO"'l•(DDCIMCU)) )), 1C) :: TR3ISCCX,TSCY,U>rTS<TSCY,PLI<DOCRE(YJJ

•MO*R•COD(I~CYJ))))•X>•TS<lC•Xl•X• ASSTS2(Y,Pli<DDCRECY}),MO"R"<OD<IH(Y)) >>•X>•ISTSlCTSCYrPLICOOCRECY)J; HO"R•COOCIHCYJJ))J,lC•X•Tlll• SATZ222BU))

:: SO~EI<CX,[T:CXliS<TSCYrTt.x>,u~.3ZZ9•• T12 ... 3229'")

:= oN:: u ex, n :cxnsn sn ... n .. u .. n :c Xl (U: CX HV: I St TSCY, Th lO H !i :I SHS<Y•U> • X)lSATZ229S(T,UrV•W>,SATZ229A)

:: I~O(CI,.[T:CXliSITSCYrf),XJ•SATZZ29) := ON!: A x< ex .. r r:cxnsnsn. r ,,.X),SAT Z229, := SYHISccx,.rscr,ovcx,y.N}),x.sATZ229Cl :• TRISCCX.TSCOV(IoYrHJoYl.IS(f,QV{~,y.~)

ON Et n: cxnsnscv,r J.X n COMPLElC

: IS<TS(f,.OV(X,.Y .. N)J,X) tsu, Ti npovu.r.tu n

s

- 5.24-

Page 128: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

Jr~r~U~I~\UVlA~IrN1r~1r~AiL~CY~J ,~\1~\JY\ArT•NJrllrAJ

SATZZ29F := SY'!lS':CX .. TSC:JV(XrY•NhYhX ... SIITZZZ90 : ISO:rli(OV<XrY,NhYU Y a [U:COMPLEXJ[N:NIStY.~CJl:r::~<~SClrUlrXJJ

SATZZ296 -- SATZZ~95~:: .. u .. ovcx,y~•n,IrSATZt29COHJ IS(IJcrOV<X.rYrNll SATlZ29H := SYHIS<CXrUr0VCXrYrN)rSATZ229G) IS<CVCXrY~NJrU)

N ~ rt:Iscrsca.Y>•X>l SATZ229J := SATZ221G<TRISCCXrTStYrUlrTS<UrYlrXr

CO~-iTS<YrU>.-I )) IS(Ur!.W (X,.y,N)) SATZ!29K ·- SYM!S!CXrU~DV<XrT,N)oSATZ229JJ I lSCDV(t,YrNJ,U)

Z ~ [IIISCXrYJJ(N:NtS(ZrOC>J ISOVl :: ISFCC~.cx.~T:CX10VCTrZrN),XrYr!) : ISfOV<CrZrNlrOV<YrlrN}l

I a cn:NISCX•~CJJ[O:NIS(Y•OC)] lSOVZ :: SAfZZ29H<Z•X,QVClrY.OJrN•

TRIS<CX•T3tXrCV<Z•Y•DlJrTStYr0V(Z,Y•GJ ),.z, ISTSH l(, ':',. OVl: z~ Y ~ 0 >.I l• SATZ229CCl•Yr0})) ISC31CZ .. XwN)rOVCZrY•0))

Z a {U:C~M?LEXlti:ISCXrY)](J:IS<?rUiltN:NIS(Z,OC)lrO:N!SCU,OCll ISOV12 := TRrsccx.ovcx .. z .. N: .. ovtr.z,N,,ovcr.u~o>•

Y a SATZZl~ SATZ231 SATZ2H

z ;a Tl

Z a SATZZ3l

SATZZllt

SATZZJitA

SATZ23ft8

SATZ!HC

SATZ235

ISOilCI•l•Zrl,NlrlSDY21ZrU,.Y,J,N,UJ} · := THISCCX.PL(M~(XrJ),y),pLCY.~~fXrYl>rX,

COH?l(~N(X,YlrYl•S~Tl212H(X,Y))

:= SATZ212E<PL(XrY>•Y•X•COMPLtYrXl) := SATZ212ECX,MNCXrY)rYrS~TZZ30)

:= TR3IS<CXrPlCPL(Y,z),KNCK~CXrY)•l))• PLCKNCMN(X,YJ,z),PltY,.Z)); PU MN( ~:OH X ,y), l) ,pl( z, Y) h P!..(PLO~NOI!H Xr Y)r Z ), Z lr '! h Cû~Pl<~L(YoZlr~~<HN(X,Y?,z>>•

IS?L2<PL(YrZ>•PLCZ~Y)rMS(KNtX~YJ~ZJr

tSf~~C·NCX;Y),Y>•X) IS<~NC~lCX•Y>•TlrXl

: IS<ICN(( ,MN(l(,.YJ),Y)

CO~Pl<Y•l)JrASS?Ll(HN<~N(XrYJ .. ZJrZrY)) : ISC~l('l(YrZJ•KN(ftN(XrYJrlll•PLCPl(HN(MN(XrY)rZJrlJrYJ} :: TRJIS(CirPLCPL<Y~z>,MNCMNCX,YJrZJ)r

PLCPLCMN<~HCXrY},ZJrZlrYJrPLC~NCXrYJr YJ,XrTlriSPLl(PL{MNC~N(XrYl•ZlrZlr MNCXrYl~Y,SATZZJOCMNtXrYlrZJJr SATZZlOCX,YJJ : IS<PLPL(T,.l),MNoCHH(X,.YJ,.ZJhU

:= SATZZlZOCX•PlCYrZJrMNCHNCXrYJrZ)r rz•.42ll"J : ISCMNC~NCX,YJ,.zJ,MNCXrPL(Y,l)))

:= SATZ212GtPL(X,YJrZrPl(X,MN(YrZJ)r TRIStCXrPL(PLCXrHN(Y.~JJ,zJ, PLCXrPLCMNtY•ZlrZJlr?l(X•Y>• ASSPLltXrK~(y,zJ,z>,[SPLZCPL(HNCYrZJr Z>, 'f • X, SA iZZ 300 • Zl J) J I SCMN(,LCX• Y hZ hPL (Xr MNU rl)) J

:: SYMISCCX.HN(PLCKrY>•ZJrPl(XrMN(f,Z)), SATZ2~4i : IS(Pl(KrMN(Y,.z)),MNCPL{X~Y>•l))

:a TR31SCCX.HN<PLCX~Yl.ZJrHNCPLCY.XlrZJ• PLCYrHN(X,.Z>>•Pl(MN(~,z),YJ. ISM~l H'l.U•Y hPLC·Y ,x Jr z,.cn~PL()r~ '() )r SATZZ34CY;X•ZlrCOM?L<YrMN[X•Z>1> ISCKNC2 LlK.Y>•Z>•PLCKN(X,z),Y))

:: S!KISICX•HNCPL(X,Yi•Z>rPLCMNCX .. Zl•Y>r SA TZ 23'•8) I SCPlOl N<Xr Z ». YJ rH~HPL OC•Y), Z} J

:= SAfZ212FCX~HN(J,z),PLCMNCXrY),.z), TRJ! SC CX,PU PL( M1H x,. Y), Zl•!HHY•l H• PllKKCXrYl•Pl(Z,KU[Y,ZJ)),PLlMN(X,Y),. y),K,ASSPLl(M~{XrYlrZ•MNCTrZJJ, ISPL2( P!..lZ•M~;(Y, ZJ h Y, Mt;( Xr Y h SArZ2l2HO'•Z) l•SATZ23CIO .. rn) ISC?lt'l rHXr YJrZ : .. 1-!NCXr H"lCY' rZ)))

s

s

- 5. 25-

Page 129: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+ ,.237

+lt239

-4238

SATZ235B

SATZZ35C

SATZ236

SATZ2l6.A

Cl.I:COHPLEICl

T1

rz

SATZ237

T1

f2

:• ~T"l~\C~~~L\"N{X•TI~41•"~\X#"R\fPL1I# SATZ2351 : lS<MN({,HNCY,Z)),PLCMNCXrYlrZ)J

;: TRISCCX•MN(XrMN{Y;Z)),pl(KNCX•YlrZ>• HN<PL<X,z),Yl~SATZ235A,SATZ234CCXrZ•Y) ) ; ISCliN<X•IfN(l';l)hHNC:PL(X;ZhY))

:: TRIS<C x, !1NU.MN!Y,. l) ), H~ICPL< X,l) r Ur HN(PL<Z•X)rYJ~SATZ2353•IS~Nl{PLCX•Z>r PltZrXI•Y•COMPLCX~Z))) ISCMN((,MNCY,Z)),MNCPL(Z,X),Y)l

:: SATZ2!2Gt~l(X•Zl•PL<Y•Z>•~~{X•Y>• TRISCCXrPL(KNCX.Y).PLCYrZ)), PLIPLCMN{X•Yl•Y>•Zl•PL<X•Z>• ASSPLZ!HNCX.Y),Y,zl,ISPL!CPl(~NC~.Y),

Y>•X•Z•SATZZJ~<X•!l)ll : ISCMN<'L(X,ZJrPL(YrZllrHNCX•Y>) ;: TRIS(CX,XNCPL<z,x>,Pl<Z•Yl>•HN!PLCX,Zl

•PL<Y•ZJ>•M~<X•Y>riS~N1Zt?L(Z•Xlr PLCX,zl,PLCZ,YlrPL<Y,Z>rCOKPL(Z,X>~ CO'iPU z, n h SUZZ3ó) . IS<MN P LCZ• XhPl<Z• Y>h MN( x .. n)

:: TR3tS<tXrPLCMNCZrUl•PLCUrY)), PLC PL( ~tlCZrU h Ul.Yh PLC z,. Y>rPlCY ,.l),. ASSPLZCHNCZ•Ul .. UrY>rlSPLl<PLC~NtZ•ü>r O>·Z~Y.SATZZ30CZrU)),CCMPLCZrYJJ TR3!SCCXrPLCPl(HNCXrYJ•M~CZrUllr PL{Y,UlJrPL(PLCHNCXrY),M,(Z,U>>• PtCUrY>l•PL(MN(X,Yl•Pl(H~(ZrUlrPl(U;Y) )),PL{MN{X,.YJ.PLCYrZJ)riSPLZC?LCYrU), Pl(U,Y1•Pl(MN(XrYJ,MN(Z,.U>J•CC~Pl(YrUJ J,,SSPLl(~R(XrYJ,KNCZrUlrPlfUrY)),.

ISPl2CPL(~~CZ•U>rPL<U•Y>>•PLCT•Z)r MNU, Yh Tl))

:: TR3IS<CXrPLCPLCHN(XrYJrMNCZrU)), PLCY.U)),Pl(HN{X,Y)rPLCYrZllr PLCPLCKNCXrYJrY>•Z>•Pl(XrZl•TZ, ASSPLZCM~(X,y),T,Z>#ISPllCPL<MNCX,Y),

Y1•X•Z•SATZZ30tX•Y>Jl

:: SATZ212HPtt X,.ZhPLtY.UhPLCMNtX,YJ• HNCZrUJ)rt3•.4zJT•)

:= TRISCCXrPL<PLCX,.UlrZlrPLCXrPLCUrZJlr PlCX•PLCZ•U>>•ASSPl1CXrU•ZJr ISPLZ<PL(U,Z);PLCZrUJrX,.COKPLCU,ZJl) : ISCPl(~L(X,UJ,Z>rPLCXrPL(ZrU)))

:: TRJISCCX,PLCMN(PLCXrU),PlCYrZJJ, MN(Z;U)J•MNC?l<PLCXrUJ,.Zl;PLCPL(Y,ZJr UJ ), H'-HPL(X• PLC Zl' UJ) rPLC Y rPUZrU) J h KH{X,YJ,S,TZ!JT(PlCX,U),pLCT,z>.z,u), ISH!U2C PUP!..( XrU), Z>r PU x,.?t cz,.ul h PLC?lCY,zJ,U)rPL<YrPltZrUJlrT1r ASSPL1<Y•Z•Ull;SATZZ36<X•Y•PLCZ,U>JJ : ISCPLt~NCPL<X•Ul•PlJYrZ))•MN(ZrUJJ,MNCXrYJJ

SATZZ39 :: SATZ212GCHNCXrYlrMN(Z,UJ,~NCPltXrUJr PLCYr~)),f2•.4Z36•)

CI:tSCHNCX,Y),HNCZrU))]

s

s

s

s - 5.26-

Page 130: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

U4Z39

::: TRISH CX .. ~N( PL(X,'Jh PLCY,. zu,.o.c,. MNC~NCX,.YJ,M,tZ,U)l,$ATZ23~ ..

. SATZZllBOINC X• Y> .. ~N( z,.U), I) J

SATZZ39A := SATZ213~C?lCX.U>,~t<Y,z>,Tl•.~z39") U ; ti:IS(PL(X,.UJ,rLCY,.z>>l

I 01 rz ::: TRIS<CX,MNCKM(X,y),HNCZ•U)J,MN(Pt<X•Ul ,PLCY,Z)),.OC .. SATZZJ3,SATZ2138CPl(X,U), PlCYrZ>•I>l : IS(K~(~N(X,r>,MN(Z•U>),OC>

s

•4239 s

I ; SATZ239S := SATZ213A(MN(X,.YJ,~N(Z,uJ,T2•.4239•) IS(KNCC,YJ,HN(Z,U)J T a [N:NiS(Y,OCJl

s~rzz•3 := TRIS<cx.rstovcx,v.N>.Y>•TSir.ov<x .. v,NJ J,X,COMTS(C,(X,y,s),y),SATZ229C(X•Y,N> ) : IS<TS(]V(X,.Y,NJ,YJ,XJ

SATZZH :: SATZ229H<TSO:,n,y,.x,Pt.COI4TS(T,.X)) : lSC!JVHSCX,Y),y,.N),X) Y ~ CN:NIS(X,~C))[Q:NISCY,OCJJ

LEKKAS ·- THl•t.IMP•(JS(OVCXrY,Q),OCJ,ISCX,OC)• N,[T:ISCUV(X,Y,.QJ,OCJlTRISlCCX,x.oc, TS(Y,OVCX,YrCJJ,SATZ229C(X,.Yr0), SAT Z221B<Y, i.'!\' (X, y, C h Tl)) : NIS<OYt x,. Y, 0 J,OC)

SATZZ42 :: SATZ229H(X,GV<X•!,Q),y,LEHMAG• SATZ240C0)) ISC!JYU ,ovc x,Y,OJ.LEMMA6h U

Z ~ [N:NISCY.OCJl(DtNISCZ,OCll

+52ft! s

-5243

T1

rz

SATZ~H

Z ; [N:NISCZ•OCJl SATZZH

:: TR3IS<:X,TSCTSCYrZJ,OV<OV(X,Y,.NJ,z-oJ) .TSCOV(OY(X,Y•Nl•Z•O>•TSCY•Z>J• TSCOVCOV(X,.Y,~J,.z,o>.TSCZ,Y)l,

TSCTS{OV(OVCX•Y•N>•Z,Q),.z),yJ, CO~TS(TS(Y,zJ,GV<OV(X,Y.NJ,z,QJ),.

ISTS2CTS<Y•Z>•TSCZ~YJ,.OVCOVCX•Y•NlrZ• 0),C0MTS(Y,.Zllr~SSTS2COV<CV(X,.Y,NJ,.z, ohz,yu

== TR!Isccx.rscrscr .. z>.ovcovcx,y,.N>•Z•D>J ,. TSt TS(QVUiV (x,. y, ~; h z,o),. Z), Y h rscovcx.v.~> .. r> .. x.Tl• ISTSl(TS<OV(OVCX,T,")•Z•O>•Z>, QV(X,~.~J*Y•SA7~240CGV<X~Y·N>•Z•OJ>• SA TZ Z40<X, y, lH >

:= SATZ2Z9G<x~rs<r,zJ,ovcovcx.v .. NJ,z.oJ, SATZ2Zl0CY,z,N,O>.rzw.5Z43•>

:• SATZ229KCTSCXoY),Z,TSCX,QV(Y,Z,NJ>~H, TRIS<CX.TSCTSCXoOVCY~z,.N>>•Z>• TSCX.TS(OV(Y,Z,N>,Z)J,TSCX,y), ASSTSICZoOV(YoZrN),z), ISTSZCTSCOV(Y,z,~J.z>,y,x,

IS<TS(rSCY•l)•OV<OV(X,.J,NJ,.z,OJ),fSCTSCDVCCV(X,Y•NJ•Z• OJ,zJ,.Y))

ISCtJv<J V CX, Y, NJ. z,o b OVC X• TS<Y • Zh SA TZ2210 <Y, z,N, 0 >) >

$

- 5.27-

Page 131: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

z a t52U

SAT2:240H.Z.o rO)))

SATZ~44A ::: SYMIStCX,QV(TS(X•Yl•Z#NJ, TS(l(, OV(Y, z, N) ), SA TZ244)

SA!Z~44 B ::: TR3I S{ CX• DVCTS<X" YJ, z, N>" OVtTS<Y .oX >.. z, N)•fSCY,QV(X~Z•N)J;iSCOV{X;Z•N),Y);

!SOV 1C TS<X•Y h Tstv .. X h z,tOMTS( X• YJ,N) • SATZ244( Y,. x, z, NhCOM!S(Y,. OVC X. ZrN)))

SATZ~lt\C ::: SY~iSCCX,CV(TS<i•Y>•Z•NJ•lStOY(X•Z•N)• Y>,SATZ2443J -

[N:~IS(Y,QC)](Q:NISCt .. OC>J SATZ~45 :: SATZ229JC~•OVCY•Z•Ol•TS<OVCX,Y,N),z),

LEMXAG(Y,z,N,O>.oTR3IS<CX,TSCTS<0V(X,y, NJ,z),QVCY•ZrOJ),TS<OVCX•Y•N), rscz.orcr.z .. o>>>·Tscov<x.r.N> .. Y>.x. ASSTSl(QV(X•Y•N>•Z•OVCY•Z•O>>• ISTSZCTS(Z,OVCY~Z,DI>•Y•OVCI.Y,~)r S4fZ229C(Y•Z,QJ);SATZZ40CX•Y.oN)J)

SATZZ45A := SY~IS<CXrTS{QV(K,Y.NJrZlr OVCX~OV(YrZ•Ol•LE~MA&tY•Z•N•O}), SATZZ45)

SATZZ45B := TRlSCCX.OVCX•OV(Y•Z•D)•LEMHA&<T•Z•N•O> ) , T SC OV (x. Y, N), Z h 01.· CTS {X • Z ), '!' ,N) • SATZ245A•SATZ244C(X,z,y,N))

SATZl45C :: TRISCCXrOVCXrOVCYrZr0Jrl~MM,6<Y,ZrNr0) >.~vcrscx.Z>·Y•N>.or<TSCZ•X>•Y•Nl• SATZZ45SrlSOVlCTS<XrZlrTSCZrXJrYr COHT SU,.l).oN))

SATZZ4& :• SATZ229K<TSCX,z),TSCYrZ)r0Y(X;YrN), SATZ221DCY•Z•NrOlrTRIS(CXrTSCOVCX.oYrN) rTS<Y,ZJ)rTSCTSCOVCXrYrN),y),z), TSCXrZ>•ASST52(0VCX•Y•N>rYrZ>• ISTSl<TSCOVCXrYrN>.YbX•Z• SATZZ40CX•YrN))))

SATZZ4&A := TRtsrcx,ovrrscz,x>.rscz,r>. SATZ22lO<Z•Y•O•N>>•OVCTSCXrZl•TSCYrZ>• SATZ221DCYrZrNr0}),0VCX,YrNJr ISOVlZCTSCZrXlrTSCX,z>,rscz,y),TSCYrZ> rCOMTSCZrX~COMTS<ZrYJ, SATZ221DCZ•Y•O•Nl;SATZZZ10CYrZrNr01lr SATZZ46)

[O:C~MPLEXJ(N:NISCYrOCll[O:NISCUrOC>J

Tl

TZ

T3

== TR3Isccx.rscovcz.u,o>.rscu .. v)J, TSCTSCOV<Z•UrOJrUlrY}rTSCZ·Y>•TSCYrZl• ASSTS2COVlZ• U.oO)rU,.Y ),. ISTS1CTSCOVCZrU.oOJ,C),z,y, SATZ240< z, u, Ó) hC!JIUSC z, Y)'

::: TRliSCCX .. TS(TSCOVCX•Y•N),OVCZiUrOJlr T.S<Y .oU) h T SC TS(OV(X, y, N h OV( z,u.o J ), TSCUrY)lrTSCOVCX•f•NlrTSCOVCZrU•OJ• TSCUr YHl. iSCOVC x .. y, Nh TS n, ZJ ), ISTS2(TS<YrU),JS(U,y),TSCOV<X•Y•N>• OVCZrUrOJ),COHTSCYrU)J, ASSTSl(OVCX•Y•N>.OV(Z,UrO>•TSCUrYJ)• 1STS2<TSC0V(Z,U.Q),TSCU.YJJ,TS<Y•Z>• OV(X,Y,NhTlU

:: TR3IS<CK,JS(TSCOVCXrY;N),QVCZ•U•O>l• TS(Y,UJJrTSCOV(X,Y,NJ,TS(Y,z))r TS(TSIOVCX·Y~N),YloZ)•TSfX.7)•T2~

: ISCDV(f SU.r YhZ;Nl.TSCX,.OI n~z,.rn) J

ISCOVU SU.o Y),.~ ,.tn, TSC CVU rZ•Nh '())

IS<TSClV(X,.ZrN)rYlrCV<TSCKrJ),.z,N)J

: lS(TSCTSCOV(X,Y.oNJ,.OV(Z,UrOJJrTSCYfUJJ•TSCCVCXrYrN)r TSCY•l) U

s

- s. 28-

Page 132: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-5241

SATZZ47

ASSTS2(01(X•Yr~)~Y·Zl~ IST$l(TS(0V(ï,Y,NJ~Y}rX•l•

SAIZZ40(XrY•!lJ)

:: TRIS<CXrTSCTSCX•U>•Z),TS(X,TS(U,ZJ)• TS(X,;$(Z,U>l•ASSTSlCX~u,z>•

IST~ZCTSCU•Z>•TS{Z,Ul•X•COMTSCU•Z)J) :: TR3IS<CXrTSCOVCTSCX.U).TS(Y,z),

SATZ221DCY•Z•~·DlJ•OV<Z•U•P>>• OV<TSCTSCX.UJ,z>,TSCTS<YrZ>,U>• SATZ221DCTS(YrZ>rU•SATZ2210CYrZrN•O), P));OVCTS<X•TSCZ,U>l•iSCY.TS(Z.Ul)• SATZ221J<Y•TS<ZrUl•~•SATZ221~(l~U•~•P> )),OV<X•YrNJrSATZ247CTSCX,Ul.TS(Y;Z), z,j,SATZ2210(Y,z,N,OJ,p), ISGVlZCTStTS<XrUl•ZlrTS<X-TS(Z,UJl• TSCTSCYrZJoUlrTS<YrTS(ZrU)JrTlr ASSTS!CYoZoUJrSATZ221DCTS(YrZJ,U• SATZ221DfYoZrNoD),p), SATZ2ZlOCYrTSCZoUlrNrSATZ221D<ZrUrO,p) ))rSATZ24&(XrYrTS<ZrUloNr

.: IS(TSU S<OV<X•Y•NhCVC lrU• OlhTS(Y•UH•TSO•Zl J

: IS<TSClVCX,Y,NJ,CVC!,u~OJJ,OVCTSCX,Zl .. ~SCY,U>• SATZ221 OCY•U•N•ODJ

S.UZZZ HH z,u,. Q,p l J) : I SUS U Y<TS (X,IJ h TS(Y, ZJ,SATZ2210U, Zr ~. C J ), OV( z, U•P) ),. OV(X, Yr N))

s

s

~sz4s s

SATZZ48

X a [N:NISCX.OC)l

:= SATZ229KCOV<XrYoNJ,OV(Z,UrPJr OVCTSCXrU)oTS(YoZJrSATZZZlO(YoZrH,Q))r lEMMA6(z,u,o,pJ,TZ•.5248•J

SATZ249 :: SATZZ29M(OC•Xr0C•N•

: IS<OV<lJVU, YrNJ "QV( z,u ,pJ. LEMMA6UrU,Q,pJ hOV<T $.(X, UJ • TS(YrZl•SAIZ221D<Y•Z•N•DJJ)

SATZZ219CXrOCrREFIS(CX,OC))) : IS<DV<3C .. X .. N),OCJ SATZZ53 :: SATZ229H(XrXr1CrNoSATZ222CX)) : ISCOVC~,X.NJ,lCJ

Y a {N:NIS(YrGCJJ(I:IS(X,Yll SATZ251A :: TRISCCXrOV(XrYrNJrOV<XrXr

THZ•€.NOTIS•ccx,y,ac~x.NriJ)r1Cr ISOV2< Yr x, x, SYKI SfC x,x, y, I >.N, THl•E.NOTIS•(CXrY•OCrXrN•I>>• SATZ250<X.TH2"E.NOTIS•tcX.Y .. OC,XrNrl)l J IS<DVU: -r,.N h1C)

N a ti:ISCOV(XrYrNJrlCJl SATZ251B ·- TR3IS<CX•XrTSCYr0V(X,Y.NJJrTS<YrlC>•Y•

SATZ2290(X,Y .. NJ,IST52(0VCX.YrN),lCrYr IlrSATZ222tYJ) : ISCX•Y)

U a [N:NIS(Y•OCJl[O:NIS<UrCC>ltt:IS<DV<X,.Y,NJrDV(ZrU,O>Jl

[J:ISC z,oc >l n := TR3IS<CX,OVCXrYrNJ.OVCZrU•O>•

OVCOC•UrO}rOC•I•ISOVitZ,OC•U•~•Ol•

s - 5. 29-

Page 133: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•525Z

+*5252

•5252

T2

T3

I ~. {~:~XSfZ•OCJl rr.

T5

SATZZ49CUr 0' > : IS<OVU rY•NhOC> :: TR:S{ClC•X•fS(Y,OVtX~Y,.NlhOCr

SAiZ2Z9D<X•Y~•>•SATZ221BfY~OVfX,Y•NJ• Tl)) IS<X ... O::)

:= TRIS2CCX.TSCXr~lrTSCT•Zl•OC• SATZ22~A(X,u~i2),SArZ22lB<Y•Z•J)) : ISCTS((,UJoTS<Y.Z)l

;: TR!S~<:X.CVtTS{XrU),TSCY.l)r SATl22lD(Y•Z•~·P);,1C•DV(OV<X•Y•N>• ovcz.~.aJ.LE~M~&<z.u.P.ol>· SAiZ2ft5(X•Y• lriJ• N.P~Oh SA iZ251H OVC x, y, Nl. CV( z,u,o ), LE~~~stz.u,p,o).l}l

:: SATl2513<TStX .. U>~TS!YrZ).o SAiZ2210CYrZ•N•PloT4) : ISCJS(l(rUhTS!Y•Z>J

SATZ252A :: THl•t.IHP~CISCZrOC),JS<TSCX,UJ,TS<Y,Z) >•CT:rscz.oc,lr3~.szsz"<T>. (T:NISCZ,OC>JT5".525ZwCTJ>

o ~ tt:zscrscx.u> .. ts<T .. Z>>J

I a (J:ISCZrOCJJ TS :: TRIS<CXrTSCXoUJrTS(Y,.zJ,OCri"

SATZ221B<YrZrJJ) T7 := DREl<ISCXrOCJriS<U•OCJ•

SATZ221CCX.U.TGJr0) re == TRIS2<CX .. OVCXrY,.NJrOV<Z•UrOJrOC•

TRISCCX,OV(X,YrNJ,QVCOC•Y•NJrOC• !SOfl{XrOC~YrT7rNJrSATZ249CYrN)), TRisccx .. ovcz,u .. o>.ovcoc .. u.o> .. oc .. ISOY 1( z, OC, ür JrO),. SA TZ24 9 (IJ,.O}) l

I ; [P:NISUrOCJ l T9 == TRISCCXrGV{OV(X,YoN),QV(Z,U·O),

tE~MAG(z,.u,p.o>> .. ov<rscx.u> .. rscv .. z>, SATZ2210{Y,.z,.N,?JlrlCr SATZ246<X•Y•ZrUrNrPrOJr SATZ251A(TS{X,UJrTS<YrZJ, SATZZ210{YrZrNrP)riJJ

no == SATZ2518(0V(X,.y,~),OVCZ,U,.Q),

lEMMA&CZrU•P.oOJ•f9)

I a SATZ252B :: Tal•L.IHP•CISCZrOClrlS<OYCXrY•N),. ovcz .. u .. o>J•tT:Is<z .. oc>lT6·.szsz•cr),. tT:NIS(Z.oOCllT10".5252"CT>J

z ; OUNISCY rOCJ l SATU5l ;-;: . SA T,Z2Z9\HPt.n. lh Y • ?L<OV {X, Y ,.N h

OV(Z,YrNII~N•TRISfCX~Tscr,PL(OVCXrY,N) ,.nY<ZrYrN)))rPL<TS(Y,.OV(X,.Y,NJ)• !S(Y,.QV(ZrT•~JllrPLCX~ZJr UISTTPZ<Y•OV(XrYrNlruV!Z•YrN}), ISPL12(TS<Yr0V(X~Y,.NJ),X,

TS(YoOVCZrYrN)JrZrSATZZZ9C(XrYrN)r SATZZ21C(lofrNJ)Jl

z ~ [l'UNIS(l,.,C> l SYKIS<CX .. Pt(OV(X~Z,.NJ,.OVCY,z,Nl),. OIST:JP. == DVCPL<X•Y>•Z·~> .. SATZ253CXrZ•Y•NlJ

iHSTPO :: SATZZ53CI,.z,.y,.~)

ISCTSU ,Uh TS(Y,.l))

I S<T SU ,.uh OC)

IS<X,OC)

: IS<DVC~l(X•Y>•Z•N>•PLtOVCX•Z•NJ,.OV<Y•l•NJll IS(I"l(!) VCXr z,. lH • CVC y,.z. HH rOV( Pl( x,. Y J,. Z •N l l

s

s

- 5.30-

Page 134: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

t-6258

U ; (N:NIS(Y,OC>JtO:NISCUrOC>l S~TZ~S~ :.= TRISl<CX•PL{CV<X•Y•N)oOV<Z•U•C>>•

Z ~ [N:N!S{Y,OC)J SATZZ55

Z ; [N:NISCZ.~CJl

0VCPL{fSCX,UJ,TSfY,zl>•7SCY.UJ, SATZ2210(Y•U•N•O>>•PL(OV<TSCX•U>• TSCY,U},SATZ221Q(Y,u.~,G!)o0VCTS{Y,Z), TSCY.~lr5ATZ221D<Y•U·~•DJJ)~ ISPL1ZCC1(TS(X•UloTS!Y.Ul, SATZZZ!DCY~u~~·:l:~:vc~,y~~)r OVCT~:YoZl·iS(Y,~),~!iZ221CCY,UoN,0)),

OV~Z,UrGl~S,TZ245(X~Yr~r~•G>, SATZ246A<Z•U,Y,Q,~)),$A~Z253(TS(X,U},

T Si: Y • U h T S ( Y • Z J. SA T Z 2 2 1J ( Y • iJ • N oO )} )

·- SATZ229GC~N(X~z),y,~~CCV{Y,Y.NS, OV(ZrY•Nl)oNoTRiS<CXoTS(Y,MNCCVCX,YoN) ,ovtz.r.~~>>·~~<Ts<r.crcx.v.n,,,

rscr.av<z,y,~)>>·x~cx.z>,

0 I ST TM 2 { Y, OH X • Y. ~ > • 0 !," ( Z, Y • N ) ) , iSMH12<TS<Y•OVtX.YoN)),X, TSCY,CV(z,y,~)),Z,SATZ229C(X,Y,N),

SATZ229~cz,y,\)))J

OISTJ~ ·- SYMISCCXoHNCOVCXrZrNJoOVCYrZ•N>>• üVO!'H Xr YlPZ.NJ. SATZ255CX.o Zr YrN)}

OIST~O ·- SATZ25SCXrZrYrNl U a [N:~IStY.~C)l[O:NISCUrOC>l

SATZZ5& ·- TRISlCCX.HNCOV<X•Y•K>.OVCZ.U.O>>•

x ~ B ..

y ;

x ;

.CDNJ CDNJISA

CONJISB

u:rscx.nl ISCONJ SATZ257

U:IsU,OCJJ SATZ258A

X a [I:ISCCO~J(X>rOC>l

Tl

OVCH~CTSCX•U~.!SCY•Z>>•TSCYoUJ, SATZ2210{Y,U.N.O>>·H~!OVCTSCX.U>•

TSCYoUJ.SATZ221DCY•U•N•0)},QVCTS<Y•Z>• TS{Y,U>,SATZ221JCY,UrS,Jl>l• ISM~12{0VCTS<X•U>•TSCY.U>• SATZ221C{Y,u,~.0>>•0V[X.Y,N),

CVCTS<Y,z},fSCYoUl•SATZ22l~<Y.oU•N•O>>• CVCZ.~.Ol.SATZ2~5(X,Y,UrN•O>,

SATZ246ACZ•U,Y,OrNllrSATZ255CTSCXoUl• TS<YrUJ,TS(Y,z>,SATZ221DCY,u,N,OJ))

:: PliCRECiJ,HO"R•CIK<X>>J :: ISRECXlZ<RECPliCArBl>rAr

~O•R•CIM<PLI[A,SJ)JrHOPR•(BlrRElSCArB)

,JSHO"R"CIHCPLI<Ar3J>rB•IMISCAr8~)) := SYMISCCX oCONJC Pl IC A• 3 l >•PLICA.MO"R•( B)

hCONJ !SA>

:= ISF<cx.cx,rr:cxJcONJCT>.x.r,I> := TR3IS<CX.CONJCCGNJCXJ),PliCRECXJr

HO•R•<nO"R"!IHCXJ))),PLICRE<X>•I~CX)), X•CONJIS,(RE{X)oHJ"R•C!~{X))),

ISREC JC2C :IO'"R,.OI:> .. R•< I ~U) l ), IM< X),

RECXloSATZ177CIMCX))), 0 li!S{XJ>

·- TR3IS<CX~CGNJ{X}rCGNJCOCJ, PLI< o, HO'"R"( 0 > lr IJC, I SCGSJ ({,Oe, I>. CONJISACOrOlriSRECY2C~'·R-<O>~O•O• SATZ17SB(O,REFIS<REAL.O))JJ

IS<PL<JVCX,YrN>oOV<Z•U•OJJ•OV<PLCTS<X•UJ•TSCY•Z>>• TS<Y,UJ rSATZZ21CCY,u,N,Q)))

ISClVC~NCX.YJ.z,N>,~NCOV(~,z,NJ,OV(Y,zrNJ))

IS(HN{] HX• ZrNl oOVCY,z,NJ) ,QVO!N<X•Y >.ZoN> l

IS<HNCJV(X,Y.NJ,QV(Z,UrO)J,OV(~NCTSCX,U>rT~CY,lll• TSCY,uJ,SATZZZlOCYrU•N•O)l) COMPlEX

IS<CONJ U J. CONJ< YJ)

ISCCONJ CCONJCXl>oX>

IS<CONJ<XJ.OC> -5.31-

s

Page 135: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

IS~Et~ECXlrMO~Rft(lfoi(Xi>>r

LEM~Al<CONJ<X>r!)) ts-R•U EOD,O> TZ := SATZ 17 Gt: (Hl{ X) r i RI$( REAL; MO•R•UIH lC) );

IHtCONJCX))~OriSIHCRECXl.MQ*R"(IM(X)J) -LEMMA2CCO~J(Xlrl))) ts .. R•u MU> ,o,

•6258 s

SHz:!558 ·- TRIStCXrX•~liCRE(X>•l~(X)),QCriSPLI(X)

•lSRECX12(RECX>rO•l~(Xl•O•Tl".~Z58•, rz·.&zss .. >> IS<X rOC J

Hó258 $

I <il AHOERS :: TRIS1CCX•X~oc.cONJCCONJ(Xl)•SATZ257r SATZ258A<CONJ(II•I)) ISCX .. oe>

·&253 s

x ; (N:NISUr3CJ J SUZl59C :: TH3•t.IMP•(ISCCONJCX>•OCJ,IStX.OC>•N•

{T:ISCCCNJCXJrOCJJSITZ2588CTJJ NISCCOJ JCXhOCJ x a ti:IS{CONJ(~).X)l

•&259 s

Tl == TRISCREAl•HOwR•ciMCX>>•I~(CONJ(XJJr IM(XJriSIH<RE(X)rMO•R•<IMCXJ)), ISCEIH(CONJCXJrXri)J IS,.R•(!fO .. R•UMUJh lM( X)J

-&Z59 s

SATZZS'A ::: LE"MA10(IHCX>.SYHIS<REAL,HO~R•(IM(Xl)• IM(X)•f1•.&259R)) : JS•F(•(I MUhOJ

X OI [I:Is•R•<JH(XJrOJJ SAJZZS98 :: TRIS€CX~CONJ(XJ~PLICRECX1riK(XJ>•X•

tSRECXZ(MD"R•tiMCXJJ,IMfXJ,RE(XJ, TRISZCREAL~HO"R"tiM!X)J,IHCX>•O• SATZl769ClK(X),I)riJ),PliiSCX)) IS<CONJ (X), U

x ; (l:IS<XrCOHJ(X)Jl SATZZó9C := SATZ259ACX,SYMIS<CX~X•COHJCXJ,IJ) : IS-R•U MCU,Ol

x :a [!:Is•R•(IH<X>•Oll SA TZZó90 ·- SYHIS<CX.COMJ(XJrX•SATZ259B(Ill : ISOC .cil NJU))

y a SATZZ&O ·- TRJISCCXrCONJCPLCXrY)l,PLI<PL•R•CRE(X} .RE(YJ),KO•R•CPL•R•CIHCXJ.IHCYJ))), Pli<PL"R•tRECXl·~ECYl>• Pt•R•(MO•R•CIH<XJJ.HOwR•CIMtYJJ)), PLCCONJCX>•CGNJ(Yll• CONJISAfPL"R•CRECX>.RECY)J,PL•R•tiM(X) • H!C Y J) > • ISRECX.ZCMO'"R'*(Pl,.R'"( I 11( XJ• IK<Yl)),Pl"R,.CMOwR•CIMCIJ1.MO•R•CIM(Y1 )J,PL"R•(RECX),RECY>>~SATZ160(JH<X>• IMCY))l,PLIS1ZB<RE(X),~3·R•<IK(X)),

REO h HO•R•( HH Y.)) >) IS<CONJCPL(X,Y))rPL<CDNJCX>.CONJ(Y))) SATZZ60A == SYMIS(CX,CONJCPLCX•YlJ,PLCCONJCX)•

CONJCYJ),SATZZ&O> : IS<PLCC: ONJ( X hCONJ< "!)) rCON JC PL< X• n >)

•6Z61 s - 5~32.

u := TRISCREAL•KO•R•<iMTSCXr!)), PL~~·(Mo-R•(TS•R•tRECX>,I~(Y))); nO•R•(TS•R•(tMCX},?,EtYJlJ), Pt,.R"(TS•R•(R[CX)•HO"R•:tHCY))),

Page 136: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-62.61

SATZZól :=

SATZZ61A :a

•5262

rt := T2 :=

•626l

SATZ2ó2 ::

SATZZ62A ::

[N:NISU.OC)]

•626J

n := TZ r= n := T4 ::

T5 ::

-6263

SATZZU ·-

r~-~-t~o-K-~iM~'-11r~~\T111~

SATZl60(TS"?."(RE~~}~lM!Y)).TS•R•(IM(X) •RECYl)}~ISPL1Z~~~cr.o-Re<TS•R•(R[(X);

IHCY))J,TS•R~IRECXJrMO•~·<IMCYJ)1~ MD•R•<Ts-~-ci~CXl;RE(Y)J),

ts•R·C~~·R•{!M(X}l•RECYJ)~ SA Tl !97f{!\t{ Xl ri !l{ Y} J, SAT Z197ECIMOO., REtYJll1 -

TRJIS<CX·CC~J(TSCXrYl}.,PLI<RETS<X•Y>• MO•R•c:~iSCXrYl)lrPLI<~q·~·crs•R•<RE

CXl·R~t!'l•tS•R~<xOwR•<JM(X)),

MD"R~<l~<YJ>>l~?L•R•<TS~R-<RECXl• HO~R·~r~<YJ));ÏS"R•(KQ•R~<l~{X)J.,P.ECY)

)ll•TStCONJCXl.CD~JCYl>•

CONJ!SlC~ETSCX;Y),IMTS<X.Y});

ISRECXl2<PETSCXrY>·M~·R•crs•R•<RECX)• RE{Y}>·TS~?."<~o·R•(I~tX))r~O·R"CIM<Y)l

)).~Q~~·{I~TSCX;Y)l•Pl"R"<TS"R~(RE<X>• MO•R•CIMCY))}rTS"R"C~O"R•(!~(X));R((Y)

))rtSM~Z~R•crs~R·CIM<XJ.IM<YJ)r

TS"R·<~O~?.•( IH{Xl)rHC"R"<!M(Y))), TS"R"IREtXb~ECY))rSATZ196ACIMCXJr IHCYll}rft•.6Z6t•)rlSIS12B<RECXJr KO•R•(tHCX>J~RE~YlrMO•R•CIHtY)))) SY,ISCCXrCONJ(TSCXrY));TSCCCNJ(XJr CONJCY)),S~TZ261)

SYMISCCXrPl(H~!XrY),y),X.,SATlZ30<X•YJl TRISCCX,.C!HóJ <X ),.CO!-lJ (Pl<H'I(X, Y h Y)),

PlCCONJCKN(X,.Y)J,CONJ{Y)}r ISCDNJ(XrPL(~~(X,YlrYlrTl)r

SATZ260(MN(X,Yl,YJ)

SATZ21Zf<COMJCX),C0NJ(YJ,.CONJ(MN(X,Y)) ,SYHISCCX•CONJ(Xl•PlCCO~JtHN(X;YJ), C0NJ(Y)J,T2•.&26Z~))

SYMISCCX•C~NJCMN<X.Yl);H~CCONJ(X),

C ONJ Ct ) l" SA T ZZ &2 l

SATZ 229F U, Y,. tO ISCONJCX•TSCOY<X•Y•Nl•Yf,Tl) SATZ2&1(0VCX,Y,N),y) TRlSCCX•CONJCXJ.CONJCTS<OVCX•Y•NlrYJJ, TSCCG~JCOVCX,Y~N)),CONJ(Y1JrTZ ... T5J SATZ 258CU •Nl

SATZZ29JlCONJ( XhCONJ( Y h CONJtOV(~,.y,N)),f5•.&zsJ•,

SYHIS<CX,CnNJ(X),TS(CC~J(QV(X.,Y~N)t~

:

:

:

:

:

:

: :

IS•R·<~O-R"(l~TS<X•Y))•PL"R~crs•R8CRE(XJ.KO•R•CIMCYJ)); TS"R•CMO"R"CIM<Xl);R[(Y))))

ISCCONJ CTS< x.n hTSCCONJ(lC ),.CONJ<Y)) J

ISCTS<CONJ(XJ,CO~J(Y)),.CO~J(TSCXrY)lJ

ISCXrPi. OIN<XrYhYJ)

ISCCONJ(Xl.PL(CONJ<'-NCXrY)),CONJ(Y)J)

ISCCGNJCMNCX,Y)),MNCCONJ(X),CO~JCY))J

IS<HNCCONJ(X);CONJ<YJJ,CONJ(MN(X,Y)J)

ISCXrTICOVCXrY,NJ.YJJ ISCCONJ (X Jr CDrU<TS< OVC X• y, Nh Y))) IS(CONJCTSCOV(X;Y,NJrY)),TS(CONJCDVCX.YrN)J,CONJCY)J)

!S<CONJ Uh TS( Ct!NJ( OYC X• y, NJ l .cONJ( Y))) ~US(CO'fJ(Y>,OCl

$

s

s

s

s .;... 5.33-

Page 137: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•7265

x ; y ;

x ';I

x ;

x a

SATZZ&3A

HOO tx:rscx.n 1 IS HO:> (NHIISCXoOCJ l SATZ2&4A

n:tso:.oc u SATZZSB SATZZ34C SATZZS40

Tl

TZ

T3

T5

T6

TT

CO~J(Y))~T4*.626l*l) :: SYMISCCX~COUJ(OVCX,Yr~ll.OV(CCNJ()(),

CONJCY>rSATZ258C(YrNllrSATZZi3) ·- SORT<HOD2tX),LEHMA5(X))

:: ISF<CXoREALorT~CXJ"ODCTJoXrYoi)

:= SORT~OTO'.~OOZCX)olEM~A5(X), PNOTD:M002CXlrLEMMA4CXrN>>>

:: SQRTQ!M002<XloLEMMh5(X)rLE~~A3CX•I>> ::: THSa?.TlAC~002<X>.LEHMA5CX)) :: SATZ1&7f-(M0J{X)•O•Tn3•L.I~P~CtESS<HOO

(X),O),NEGCMOOCX)IrSATZ2&4Co tT:LESS{K00{Xl•O>lSATZ1S90<M00(XJ,T}))

:: SYMISCREAt~rs•R•(M03CXJ~H00(X)J,.

: IS<(} V«: ONJC X hCONJ( Yh SATZ Z58C(Y • NU •CONJ( CV C X• Y • N >) J RE At.

IS .. ~'"(>! OD{X hHOD<n >

': POS\ HO) CX))

IS,.ft•("f OO<X hO> NOH Nn OHJO ( Xl) >

: MORE I St 1400{ X h 0)

KOD2(XJrTHSQRT1B(H002tX)~LEKKA5(X))J : IS•R·t~DOZCXJrTS•R•(MOOCX)•HOOCXJ)) :: TRtSC~EAlrPtwR~CTS"R•{RE(X),R((X)),O),

Ts•o,u{REtY.l,Rf.(X)),fS•R"CA35(R((X)lr ABS<RE<X))};?l02CTS•R•(R(tXl.RE(X)),Q, REflS(REAloO)J,LEM~AlZ•R•<RECX>l> : IS•R"(~L•R•trs•R•tRECXJ•R~CXJl•O>•TS•R-tABSCRECXJ),

:c SATZ191CTS•R~CRECXlrRE(X1>rTS•R•tRECXJ .REC X>), TS•R•C IHCX>• IH<X) hO, . MOREISIZCTS•R•CRE<X>rRECX)),. TS•R•[RECXJ,RECXl>• REfiS(REAL•TS"R•CRECXJrRECX)))J•

ABS< REC XJ)) J

LEMMA tt•R., UH( X>> J : MORE ISC MOOZC X),Pl"R•<T s•R•CRE<XJ.REC X) ),Q J)

:• ISMOREIS12<KODZ<X>rTS•R"CHGOCX>•MDOCXJ ),pl•R•(TS~R•CRECX),.RE{Xl>r')~ Ts•R•CABSCRE<XJ>•ABSCRECXllJrT1rT2rT3l : MOREISt TS"R"(HOO(Xl•MOOCX)),fS"R•CABSCfiECXl)•ABSCRECXJJ

)) := TR{S<REAL.PL•ft•(OrTSwR•ct~CXJ,IMIXJ)),

TS•R•<IMCXl•IMCX)J,TS•R•(ABSCIMCX>J• ABSCIM(XlJJ,?LOlC07TS~?."CIP.{XJriM(X)),. REfiS(REALo0J)•LEHKA1Z•R•tiM(X)))

:= SATZl91CTS*~•(RECXlrRECX))r0• TS•R•CIH<XJ.IHCX>>•TS•R•CIM(XJ.IM(X)Jp LEHHA11 .. R"CRE(XJJrMOREISI2CTS•R•CtM(X) ,.IMCXJJrTSftR•(JH(X),JM(X}), REtiSCREAL•TS•R•<I~CX),IMCXJ}))l

:= ISMOREIS12(HGDZ<XlrTS•R•(K0ûCX),.HOOCXJ ),?L•R•(Q,TS•R•(IP.(X),IM<XJJJ~

TS•R•<ABS<IH<XJ>~ASS(lM(X})J~Tl•T5•T6)

ts-a·c~L·R•co.rs•R•<tHCXJriH(X))),.TS•R•tABSCIM<XIJ• ABS( UK U U J

: MORE IS( TS'"R'"CHODCXhMOOUJ h TS•R•UBSC Ut <X) h ABSUMCX)) ) )

a tR IREAL lts :R[ALHH: 140REIS( TS"'R .. ( Rr RJ • T S"R,. (Sr S) JH N :!fOREl S CR ;0} l U.:LESS<R .. Sl l T8 T9 tO UtiJRE( R,. 0) l T10

L ~ EI~Is•R•CRrOJl 111

:: LEHMA2•R·c~~S•l) := SATZló98(SrSATZ17ZO<S•R~O,f8•NJJ

:: TRMORE<Ts•R•(S•S>~Ts•R•cR~S>• TS*R"(RrRlrSATZZO!ACSrRrS•T8rT9Jr SATZ203D(SrRrR•f3tSATZ1&9B(R,olJJ

:: ISMORE2COrTS•RP(RrRJ•TS•R•cs,SJr SYHIS!R(AlrTS"R"CRrR)rOrTSOl(P.rRriJJr sATZ1&9A<rs•n•cs,s>~

MORE (Sr R> : POSCS)

POSSO<S•PN~TOC5rTtrl)J : HOR!CTi·~~cs.sJ.TS•R•(R,RJ)

- 5.34-

Page 138: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-7265

HZ66

-7266

N ~· Tll

SATZ255A

-:-- - -c-r::-t:nf"!•\l'"R"'{ T!S' -R-( S• SJ • T:i•R- ( R• Rh OR,PPr~~~E(R.O>.is-P.•tR.O>• M~~~<TS~R~<S•Sl•TS~P.~(p,p,)),N,

{T:~CRt(RoC)JTlOtTl.rT:IS•p•(R,Q))

HHT>>> ::: SATZl5if{R.S,[TtlESS~R.S>J<Tl2CTl>

S'TZ157C<TS•R•CR•!l•TS"R"<S•S),Ml>

:: T13".7265"{H0G(X},ABSrRECX)}, i4"'.726S•.sATZZ64D{X))

:: TtJ•.72ó5"'CMC~CXi;A8S\IH<X>l• K3RE I Sf MOOC X hABS<RE<X)))

a [R:RtALJCS:REAL l[I:ISCTSC~LICP.,Q},pli<R.OJ>.TSCPlltS.Q).PLICS.O)JJ l[N:NJTCNEG<R>)l[O:NOT(NEGCS):J

; H :R~AL l Tl

T2

T3

f&

T7

SATZ2ó6

x ; Tl

:: ?l,Z(TS·~·cT.Tl•~o·p•(fS•R•(Q,Oll• 5ATZ176SCTS"R"<D,OJ, TSOlCO•O•REf!SCREAL•O)J)) ; IS*R·t~N•R•<fS•R•<T•f),fS•R~(O,Q)),fS•R•(f,fl)

:= TRIS(R~Al•PL•R•crs•R•tT,Ol.TS•R•co.TJ) , rs• R"'( '!" rO h {), PlOZC TS"Il'" { T ,.(i),

fS•R'tO.TloTSOl<OrT•RE•IS<REAlrOJ)Jr TS'nCT rO• REF IS<REAL• 0 >J l : IS~ •(»l•R•ns•R•<T ,Q) rTS•R•<O.r TU ... O)

:: TRISCCXoTSCPLICTrO>•~li(T,O)J, PLI{M~·R•<rs•R•(T,TJoTS•R•co,OJ},

PL"R8 {TS"R•(ToO>rTS·~~{0rf)l)r

PLI<TS"R"CTrThOlrTSISlZACTrOrTrOlo ISRECX12CMN•R•crs•R"CTrT>•fS•R*COr0)), rs·~·CTrT).PL•R•crs•R•(TrO>•TS•R•(Q,f)

l rO• Tl• TZ)) IS (TSPLUT •OhPLH T •0 U •l"LH TS'"R"'< T • T hOJ) := TR3ISCCX.Pti(JS•R•<RrRJ.OJrTSCPLICR.O)

•PLitRrOllrTSCPLICSrOlrPLICS.Ol)r PLH TS"R"<S• Sh3 lrSYMISfCXr TSCPLHR• 0) •PLICRrO)JrPll<TS•R"CRrRJrOJrTJCR)lri• T3CS}) ISCPLU TS•R.,(R,.RJ..OhPLIUS•R,.(S,SJ...O)J

:: TR3ISCREAl•TS'"R"CRrRl• RE<PLICTS•R•(RrRlr0)), RECPLI(TS"R"tSrSlrOllrTS"R"<S~S>• ISRE<TS~R"<Rr?JrOJ. ISCERE<PLI{iS"P."tR•RlrOJ• ?LICTS•a•cs,SJ.OJ.T4),~EIS<TS"R"(S,S>• o>> : IS~-u s•R•<R•RJ .. rs•R•cs.s >>

:= ANOICNCTCNEGtR)),IS"R"(fS"P.•(R,.R>~ TS•R•c S• S) }, H• T5 l AND( NOT OI EG CR))" JS•R•( TS•l•(R,.R h TS•R" (Sr S )).)

:: ANOI<NOT(NEG(S)JriS .. R"<TS"R"(SrSlr Ts•R"CSrSl)rOrREflSCREAL•fS•R•ts,Sl)) ANO(NCf(NtG(S))rlS"R•(JS•~•cs~S),JS•R•(S,.SlJ)

:: SATZR1613<TS~R"<S•S>•R•S•T&•.7266•• rr•.rz&&">

:= TRISCCXrTSCPll(KOJ(X)r?),.PLI<MOOtX>•Ol ),.PLI<TS~R•<KaOCX).~OD<Xl)•Ol, Pl H :-!:JOZU h 0) • T 3wc • 7ZiiG,. C M30J X} Jr

s

s

s - 5.35-

Page 139: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•7267

TZ

T3

X a SATZZ&7

SATZZ61A

z a n

[U:CJMPLEICl T2

Y a T3

ISRECXl(TSwR•\MUU(~1,~UU~X11•~UUZtXJ~

O.THSQRT18{HC02(XlrLE~~ASCX)J)) IS<TS(~LI<HODCXlrOJ~PLICMOO<X>•Ol)rPLI<~C02<Xlr0)) :: lSPL2~R"C"O~R"(fS•R"CIMCXJrMO"R•CIHtX)

))),TS"R•<t~CXlrlM{X)l~Ts"R"<PE{X), P.E<X>JrTRIS<~Ehl•~O·P.·crs•R•{IMCX>r XD•R•(!M{~)J)l~Ts~q·{MO•R•(IMCXJl~ MO•R•([Mtt)))oTS·~·~~rCXJ,IMCXJ>• S~fl197E(I~CXJ,MO•R•(!~(IJ)), sATZ19eC!HCx>.rM<X>>>> : xswR·<~N8R•crs•R•<RE<X>·R~<XJ>•TS-R"<IM<x>~Ho~R"<IHCX)>

:= TR!S!REALrPt•R"<Ts•p·~~ECX>• HO•R"C!M!Xl)l.TS~R•:I~!I)~RECX~)), Pl"R·t~O•R•tTS"R•CnECX>•IHCX)1)•

rs~R~t~E(t>~!~(~))!,Or

ISPLl2•R•trs•R•CRECXl•MD"R•CIM<XI>J• MO~R•cTS•R•{R[<Xl.IM<Xll)oTS«R•CIHCX),

RE(X)),fS«R•CP.ECX>•T~<X>>• SATZl9Te<RE(~l.I~CX))rCOMTS~R·<IHCX),

> hMOOZ <X))

RE(Xl>>•SATZlT9A<TSwR"CRE<K>•lMCX)))) : IS~~-(~L•R•CTS•R•(RECXJrHl~R•CIHCX)JJrTS"R•(t~CX>•RECX) ) },3)

:: TRISCCX;TS<X•CC~JCX>J• Pll(MN~R•(TS·~·(RE<X>•q[{X)),

TS•R•tiHCXl•MO"R~CIM<X>>>>• PL•R•CTS•R•CRE(X),HO•R•<IM(X))), TS•R•<IHCXJoRECXJ))J.PLICMOOZ<XJoOJo TSIS2A<X•RECXJ.~O·R~cr~<XllJr

ISRECXl2CHH"R"CTS"R"<RE<X>.RECX))o TS"R"CIHCX)rMO"R•CtKCXJ)))rMOD2CXJ~

PL•R•CTS"R"CRE<XlrMO•R•<IH(X)))~

TS"R"CIM(Xl•RE!X))),Q,;2,T3lJ

:= TRIS2CCX•TSCPLICHGDCXi•O>•PLICK00(Xl• OJJ,TSCXrCONJCX)J,PLICM002CXJ,O), Tl•.7267·~T4•.72&7•)

:= SYMISCCX.TSCPliLMOOCX),Q),pliCHOO(X)r 0)>,TSCX,CGNJCX)),SATZ2G7)

:: TR3ISCCX•TSCXrTS<Y~ZJ)~TS(TSCX•Yl~Zl• rsu se y, Xh z ». rsn~ rsoc. n >. ASSTS2<X•Y•Zl~!STSlCTSC~.YlrTSCY•XJ•Z•

IS<TSCXrCONJ(X)JrPLICKOD2CXJ•OJJ

CCHTS<XrY> ), ASSTSl< y,x. n) : IS<TSU ,rsn,zu,TS<Y• TSU ~ZJ))

:= TR3Isccx~rscrscx.rl.TS<Z•U>>• rscx.rscv.rsrz,u>l),TS<x.rscz,rscv~uJ)

>•TSCTSCX•Z>•TSCY•Ullr ASSTS1CXrY•TS<Z•U>J•ISTS2CTS<Y~rscz,u> ,,rscz.rscr.u>>·X·Tl<v~z.u>>• ASST S2(X,z, TSO• U>)) ISCTSU SU~ Y> • TS<Zr U)) .rsc TSU•U, TSCY ,U) J J

:: TR3ISCCX~TS<PLifHO~CTSfX,YJJ,OJ• PLlfMOOCTS(XrY)>•OlJ,TSCTSCX.Y), CONJCTS(X,YllJrTSCTS(X.Y>~TS(CONJCX>• CCSJ(Yl)J,TSCTS(X,CO~JfX>>~

TS(Y,CONJ<Y>>>•SATZ267{TS(X•Y}), ISTS2(CONJ(TStXrY)),TS{CCNJ(XJ,CONJ(Y) ) , TSU • Y h SA TZ2S l< ~~ '0 ), TZ<X• Y•CONJ( )0

. rCONJCY))) : ISCTSI~LI("DDCTS<XrY)lrO),fli("QOCTS<X~YJ)r0)), TSUS ü •Cll'iJtxJ),. TSCY, CONH Y))))

s

s

- 5.36-

Page 140: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•72&8

~ tR:R~A~l[S:REAtl

TS

TS

T7

Y :1 T8

~Ll\~00(TSCX,Yl)r0)),TSCTSC~.CDNJ(XJ),

TStYrCO~J(Y})),TS<TSCPLlt~ODCX>rO>•

PLIC~OJCXJ,O>l.TS(~llt"CD<Y>.O>• PLifMODCYJ.OlJ>•TSCTSCPL!CMOO<XJ•O>• PLICV~~(~}.0)J.TSCFLIC"DO(X)r0)•

PLICMJDCTlo0)lloT3~ISTSlZ<TSCXrCONJ(XJ ) • r S( ?U OI 0;) [X ) •IJ) • PU O!!JO (X h 0 ) h TSCToCDUJ{T)t.lSCP~ICMQD(Yl•Ol, PLr!MJD{Y)r0)lr5ATZ2ó7A(~),SATZZS7A(Y)

J•i2<PLICY.COCXl•Ol•Pl!CMGOtXJ,OJ• PLICMQJ(Y),Q)flPL!(MGJ<Y>•Cl))

== P~ozcrs~R~tR.S),MO~R·crs•R"<O·O>>• SAiZ176B<TS"R"(0,0)r TSC1(0rO~REFIS<REAL,Q;\))

:= TRIS(R~AlrPL"RP(fS•R•(R,OJ,TS"R•(O,SJl .rs·~·<~.o,,o.PL02<Ts•R•cR.o,,

TS .. R"'{Or Sh TS01((h SrRUISCREAL•OH), TSC2(~•C•P.~r!SCP.EALr0)))

:: JqiS(C!.rTS<PliCR•~l·Pt!(SrO)lr PLI<~~·R•CTS•R•<R·S~•TS"R•(c,Ollr PL"R•(fS"R"CR.O)rTS•R"<O•S>>>• PLIC!S•R"CRrSlrO>rTSISlZA<R•O•S•O>• ISRECr.t2(M~"R"CTS"R"CRrS}rTS"R"<Or0)), TS"R•<R•S>rPl"R"(TS"R"CRrOlrTS•R•(OrSl'

IS<TS<$titMOOCTSCX.Yll•O>·Pli<~OOCTS(X,YJ)•0)), fS(TS(»LI(MOO(Xl•Ol•PLI{HüOtYlrOl>•TS(PliC~OOCXl•Ol• PLIOIO) (Y),.O))J)

hOr T5,. TU) : ISCTS<»UCR rOJ..PlHS..OlhPLUTS•R•<R•Sl•OJJ := TRIS!CX•TSCPLICMOJCTSCXrY))rO)r

PLIC~~JCTSCXrY)),Q}),TS(TSCPL!CMOOCX); OJ.Pti(MOOCYJ,O)lrTSCPLIC"OOCX>•O), PLICMOOCYJ•OJJJ,TSCPLICTS•R~<MODCXl•

MO~<Yi>•O>.PliCTSftP•CMOO(XJrMCO<YJ);Ol lrT4,ISTS12!TSCPLIC~00{XJrO>. PLit~00(Y)r0))rPt!tfS•R•(MCQ(XlrH00(Y)

),OJ.T~:PLitHCO<X>•Ol.PLitMOOCY),O}),

PltCTS•R·<~OO(XJ~MQO(Y)JrO),f7(H00(X)•

MOQtY)J,T7(M00tX)rM00(Y)J)) ISCTSC»LI<HODCTS(X,Y)),OJoPLl(MOOCTS<X.YJJ•Ol)~ TSCPLitTS•R•CHODCXJ.MOO(Y)),OJ.PLI<TS•R•(MCOCXJ,HOO(YJ) .. on,

{N:NEGCTS•R•(MOOCX);MOOCY)JJJ T9 :: OR~PPCAHD<POSCMOOCX>>•NEGCKODCY)}}•

Y a SATZZ68

SAHZ68A

[N:NtSCYrOC>l

AND<NEG(MOOCX)J,PCSCMGJ(Y})J,CONr SATZ195H(MOD<XJ,MO~(y),S),

[T:AND<POS(HDDCXJ>••EG(MCQ<Yl)Jl <ANOEZCPOS(MODtXll•NEG<MOD<Y)JoTJ> SATZ264CCY),(T:ANO<NEGCHOQ<X>>• POSC "!OQCY >)) l<ANDE1 ( ló[(j{ MOOOO Jr PDS<~OO(Y));TJ>SATZ254C(X))

:: SATZZS6tHOOlTS<X•Y>l•TS•R•(HQO(Xl• ~GO<rJl,f8•.726&•,sATZ264C<TS(X,YJ), tT:NEG{TS•R•(M00(X);~QO(Y)))1

Ct)N

T9•. 7263"{ V} : IS•R•(ltODUS(X,Y)),.TS"a•otOOCXhfo!CO( Y) J > :: SYHIS<REAL~M~OCTS<X•Y>>•TS"R•(MOD<X);

MO()('f} hSHZ266) . : IS"'l"<f S"'R .. OIOQ(X),. 1'00 CY)) .MOOCTS( X.Y>})

s

- 5.37

s

Page 141: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•727)

+7271

Tl T2

SATZZó9

X :a TZ

I a Tl

SATZZ70

y ; ti:ISCPL(X•Y>,OC>l Tl rz

Y a tN:NtS(PL(X;Y)rOC>l T3

ft.

T5

:= PNOiOCMOOCYlrSATZZ64A<Y•N)) :: T iHS lUEALr TS':'R .. (l'IOO COVC x,. Y,N >) rHOOC Yl

} , HO 0 ( X) ")t OlH T St Cl H X, Y • N J • Y ) h SATZ2&6<0VCX.Y.N},y), ISMODCTStOVCX•Y•N>•Yl•X•SATZ240(X;Y•Nl J) '

:: SATZ204G(K~D<X>•MODtY),RODCDV<X•Y•N>>• Tl•T~ISCREAL.TS•R•CMOD(Y)~ MD~(S~~X•Y••Jl!.TS•R•CKOOCOVCX•Y•N})• ~CDCY)),HOOCX),CO~TSffR"<~OOCY),

M00{0V(X•Y•N))),T2))

:: T3 ... 7ZG9"

:= THl"l.I~P·(NEGCR)rMOREIS<ABS(R),R)r tT:NE~(R)lMOREISilCASSCR>•R• TRMOP.E<A3SC?.>•O•R•StT7.169AtABS<R>• SATZ1566{~.Tll•LEMMA2-R•CR•O• SATZ169CCR.Tl))l,[T:NaTCNEG{R))] MO~EISIZ<AöS<R>•R•ABSNN(R•l)))

:: TRKOREISCHOO<X>•ABS<RE(X)J;RECX). SATZ26SACX1.T!CRECXJ)J

:= TR3I SUEAL,Pl .. R,.CRE OOrREU )}, RE(?LCX.YJlrREC1C)rlRL• ISRECPL,.R•<RE(X),RE(Y)J,Pl•R•(JM(X)r IM(Yl>>•ISCERECPt(X•Y>•lC•I)~ REISClRL,Ol) .

t= ISHOREISZ<PL"R•tRECXJ,RECY)),lRl• Pt•R•tMOO<XJ,MODtYJJ,f3•.rzro•, SATl191CMDOCX1,R((XJ,HO,CY),R[(Y), rz·.rzro·~rz·.rz708 tY>JJ

:= SATZZ64ö<Pl(XrYlriJ ::: ISHOREISZlPl~R•(O,O),HOO<PLCXrY));

Pt•R•CMOOCXlrMOJCY)), TRIS Z< REAL .. Pt '*R .. (0, 0 h ~00 <PL <X, Y J hO, PlOlCO,O•REFt~\REAL•OJJ,Tll• SATZ191<MOOIXJr0oMODCY>•O•SATZZ640(X)• SA TZZó40 (Y U)

== PNOTOCK00(Pl(XrY)J,SATZ2&4A(PL(XrYJ•N> )

== TRIS<CX•PLCOV(X,PLCX,YJrN), OYCY,.?LCX,YJ,H)),QVCPL(X,Y>rPl(X,Y),N) •1CrSATZ25lCX•PLCX•Y>•Y•~), SATZ250C?LCX,y),n)J

== SATZ270CO~CX,PltX,Y>rNJ~OVCY,PLCXrY), N>rT4>

NI s•R-c HOO<Y Jr 0)

: Is·~·t"OD<CVCX,YrN)J,OV"R•t~ODtX},K00(Y)#P~OTOtH00(Yl• SATZ2ó~ A<YrN))))

. .

MORE IS( ABSC R lrR)

HOREISt MOOUhREUJ)

NIS"R"t MODCPUX,Y)),Q)

MORE IS[ Pt .,R .. (KO:>C!JV(X, Pl<'< ,Y) ,.N) hHODCOVU •PlUrYlrN >))

•lRU

s

s

s

I

- 5.3.8-

Page 142: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

rt rY i&

PRL '"~R rr

T8

T9 T10

y a Tll

-rzn Y a SATZZT1

SATZZ71A

x; n

TZ

= OV•R•(MQO(X},.MQO(PL(XrYl>.T3)

" OV"R~(~CO(Y},MO:tPL(XrY)),T]} = ISHOF.E IS H ?t.,.R•( !o!OOfOY t !:r ?U x,. Y J..~ J 1.> HOO( 0\' (Y • PU Xr Yl # Nl J lt Pt ,.R,.(FX#f Yh 1Rf..,ISPLl2,.~"CMGO<CV<XrPL(X,YlrN))~FX, M[j::J( 0\'(Y,?L( Xr Y) .~;)),;y,

SATZ2&9EX,PL(XoY>rM),SATZ269CYrPL<X~Y) ,NJ>rT5J

::: TS•R•CPt,.R•tFXrfYlrMOOCPL(X,Y))) :: rs~R~{l~L.~OQC?L<XrY))l := ORAP?C~O?.E!Pl"R*(fX,FY}•lRl)•

xs-R~<Pl"~·<rx,rv>.lRL>•

~DRE!SCP~l•P~~l.T&r [T:HCRE(Pl~R~[FX,fYJ•l~L'J MOREIS!lt?RL~PRR,S~TZZOlACPL"R•iFX,fY) r1RL,MGC<PLtX.Y)),T,.SATZ2S~A(Pl(X,.Y), Nl)l,[T:IS~R•tPl,.R"(FX,~YJ.lRl)J

MOREIS!ZtPRLr?RRriSTSl"R•(pt.•R~trX,fYl ,lRL,KOCCPlf~rY)),J)))

-== TRISCREAL•PRL•PL•R•<rs•R•(fX~~ODCPL CXrY))),TS•P.•CfY.~OOC?l(X•Y)))),

Pl~Ro-~nJtXl~~COCY>>• CISTTPl•R•(FX.FYrHOO(PL<X•Y))}, ISPllZ•R•trs~Rft(FX~~GOtPL{X;Y)))r

MaDCX>rTS•R"{fYr~OOCPl{XrY)l)•MOOCY)r

SATZ204~(HGJ<XJ~M3~<PL(X,YJJ,.T3)r SATZ204ElKOû(Y),M30(Pl(X,Y>J~T3l))

:= SATZ195S(MODCPt(X,YllJ := ISMOREISlZCPRL,Pt•R•CHCDCXlrHOO<YJ)r

PRR.~OO<?LtX•Y>),TS•T9•f7) := THl~L.!MP•tiSCPlCX.YJ,OCl.

HOREISCPL•P.•(~QO(XJ,MOOCY>l•

MOiH PUXr Y ))), U :I S<PltX, u,. OC JlTZ<T h [T:NISCPL<X•Yl•OCJ1T10CT>>

:: SATl168A(Pt•P.•tM00(XJ•KOOCYJJ, M03(Pl(X,YJJrT11•.7Z71•J

:= Ttt·.rzrt•

:: TRISCREAL•REtMOfXJJ,REfPLI<K~·R•<RE(XJ ),~O"R"CIMCXJJ)J,MO•R"<RE<X>Jr ISCERECMOCXl•PLI<KO•R'"<RECX}), HO•R•ttMCXl)J,SATZZ1~<X>l•

Ri:At..

MORE I St PL ,.R.,Cf'XrfYJ ~ lRL) REAL REA1.

MORE I Sl PRL• PRR)

: IS•R•t~RL.Pt•R•tKODCXJrK03CY))) : IS .. R .. <~RR•MflDCPL<X•Y>JJ

: LESSIStMOD<PL(X,YJ>•PL"R•(MQO(XJ,MOO(Yll) : MOREIS[PL•R•(HOD<X>•MOO(YJJ,MODCPL«X~Y)))

REISCKO"R'"CRE(X)JrHO"R'"<I~CXJ))) : IS-R·<~E(KO<XJJ,KQ•R•(RECXJJJ := TRIS<REAL,Js•R•<RECHO(XJJ,RECMO(XJ)),

TS"R"'C 1-lO .. P.•t RE<XHrMO .. R'"CR[<X J )), TS•R"(RECXJ,RtCX))~!STSlZ'"R•<RECMOCXJ) ,MO"R"CREOO )~ RECMOU)) rMO".fP'( RE {X)), Tl• Tl lr SA TZ! 95( RE< X> • REC U)) : IS .. R .. (f S'"R•tRE( KOC X)), RE(ItOCX))) • TS .. f!•( RE< X Jo RE( U) J

t= TRI S<FE:ALr I lH KG( X J ), PH i'L ICHO .. R"<RE< XJ ),MO'"R"(I~CXJJ)),HO'"R•(I~<X>J,

ISCEIMCMOCXJrPLICHO•R•(RECX))~ M0 8 R•<IH<KJllrSATZZ14fX)), IKISHiO•R'"(R::<lO lrl10 .. R•U!ICX)))) : IS"R'"CI K{M!HXlJ •'0'"R"'t IMU ))}

:: TRIS<REAl,TS•P.•{J~(MOtXl>•IM<r.O<X))J, TS"R'"( MO,.R•( UHlOhMO .. R .. (IM(U > h TS~R•(IK<X>riMC~)),ISTSlZ·R~<IH(MO(X)) ,M3•R•(J~!XlJrlHCM0(X)),Ml•R•(tH(X)),

$

s

".. 5.39-

Page 143: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•7272

H273

x a

Y a

f5

SIITZZ7Z

SATZZ12!A

SUH Tl

rz

Tl• r3 hSII TZ198C 1 ~( :o,. I 1400 H : IS""ft•U s•R•(IM( HOU )h IMOIOCX>)),. TS"R .. C IMtx h IH( U)) := IS~l12•R•crswR"(FE<H0(X)),.?EtMOtX))),.

rs~R~tRE(K),.RECX)l,.TS~P."C[MCMOtXl)•

HiO!OCO) h TS"R'"UI'I( XhUUX) h T2, T4) : IS"R•(M OOt< ~000 hMil02U))

:: ISSORT(H002(H0CXilrHOD2tXl• lEKMA5CHQ(XJJolE~NA5<X>•T5•.7272*)

:: SYH!SCREAL•HOC\~0(XJ),M0D(Xl,SATZ272)

:: Pt•R•(MOO{Y),.~QOCMN(X.YJ)) . := !SlESSISl(KOQ<PLtY.HN\X,.Y))),.HQO(X),.

SUK•ISMOO(~l(Y•MN(X;Y)),.l(,.

SATZ212n(X,.Y)l,SATZZ71(Y,H~(X,Y)))

:= TH9•t.o?.•CtESSCMC~CX>•SUM), IS"R'~~r.~•x},SU~>,LES5\~N·R .. CMOOCX)o HO~[YJJ.HN•R•csUMrKDD(Yl)),. !S~R*(KN~R~<~CO(X).~QD(Y))•

MN*R*(SC~·MCDCYi)),Tl,(T:LESS<~CD<X>• SUK>lSATZ13eFCMOOC~J~SuM.MO•RwCMOOCY)) rTl,[T:IS"R"tMOOtXlrSUM))

: IS~R"(MOOtMOCX))rHOD<X>J IS"R•(~QO(X),.HOOCMO(X}})

: REAL

LESSIStMOOCX>,SUMl

ISHN l .. R .. O!O:J <X h SUlh MO'J <Y h Tl) LESSISt MN•R•( MOOU)" M00(YJ ),.~N•R•<SUI'r Jlll0(Y)) J T3 :: TRIS<REALr~N"'R .. (SU~h~O)(Y)),

M~·R•(pt•R·{~ODCM~{X,.Y)),.MDOCY));

MOOCYllrMOOtMN(XrYllr !SMN1"R*(SUM,PL"R•(MQJ(MN<XrY)JrK00(Y) ),KOOCY),CGM?L•R*CMOOCY},.HOD(HN<XoY))J ) ,. MNPl< HOO ( MN( X• Y)), HOi) ( Y))) : I S~•(M ff•R•( SUM• MOD(Y) )..MIJD( MN(Xo YJ))

T~ ·- SATZlS83CMN"R"CKCDtX),.MCO(Y)), MODCMN(X,Y)),!SLESSIS2CKN•~·csuK,.

KO'JCY)),HOO(~N(XrYJJ,.HN•R•(KOD(X)r HOGCY>),TJ•TZJJ • : MORE!StHOO(MNCX,.YlhMN•R•tMCDCXhMODCY)})

T5 := ISHOREIS12CMDOCHNCY,XJ)rMOOCHKCX,Y)), MN•R•(MOO(Y)rMDOCXJJr "O•R•{KN•R•t~OOCXlrMODCYlJ)r TRISlCREAlrMOOCHN(Y,.Xl)•MODCHNCXoY)), HOD<~Q(MN(X,Y)))rlSMOO[HOCMNCX,.Y)),

MN(Y,XJrSATl219CXrYllrSATZZ7ZfMN(XrY)} JrSATZ181A(~OO<YJ,HO~tX)),T~<Y,Xl) MOREISfMODCMN(X,Y)),MO•R•CMH•R•CMDOCX),MCDCY))J)

a tR:REAL ltS :REALl tM:MOREIStRrSl H N: KOREIS<R•i'!O"R"(S))J R ~ T& ·- TH9"L.OR•CNEG<R>rNOT<UEG<RlJ,

IS"R"CASSCRlrMO"R•(R)JriS"R"(A9S(R),R) rTHó•t.OR"CNEG(R)),(T:NEGCRlJABSNCRrT) ,{T:NOT(NEG<R>llABSNNCRof)) : OR<IS-1•(A8S(Rl,.MOwR•CR)),.tS•R•(A8S(R)rR))

N a T7 :: ORAP?(!S•R"(ABS<S>rMO•R .. CSJlr IS•R•(A3SCSlrSlr~OREIS<R•ABS(S)),f6($) ~cr:ts•R•<A3S(S>~Ka•R•csrrJ

ISKGREIS2CHO•R•(S),A8SCS),R• SYMISCREAL•ABS(S),MO"R•(S)#f),N)• [T:Is•a•CABS<sr~SlliSKOREIS2(S,ABSCS),. R,sy MISCR~AlrABSCS), s,. ThMU : KORE IS( R,.ABS(S))

'

·727S s

Y ; SATZZ73

-:::

.- T7~.7273•(~00(M~(X,f)J,xN•R•(~ODCX), HOO(Y>>•T~".7273•;TS•.7273•)

- 5.40-

Page 144: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•RP

•RT

+azn

f"ROP1 lT~CT>lB!JECT!VE(lTDCX>•lTDCYJif)J 'PS~P•

X a PROPZ :: ALLC{Y:NATJIMPCLESS<XrTJ.NOT<PkDPlCYJ) )) 'P?.JP'

a tY:NATl[L:LESStl.Yll[f:tT:lTO(lJllTO<YJl 1Y :: lOJT!'O : 1TO<Yl YY := XGUHY: lillt Y)

{IttS•E•CtTOCYl•1Y•YYJ1 T1 ·- ISOUP::;:o,.l,SATZZ4A<YJ,.y,.LESSISI3<Yh

IJ : tsu.n f a TZ ·- EC3E31!IS<1•Yl .. ~ORE<l•Y>•LESS<i•Y>•

SATZ103Cl•Y>•U NISU.Y) T3 := TH3"L.IMP*!Is•r•ctTOCY>•1Y•YYJ.IStl•Y>

,rz, [T:ts,.E•U TOCYl•lY•YYllTHTl) : NOH IS•t•U TD<Y>•lY,YY))

r a

[U:trQU)J rr. := ISf<1iOC1>•lTOCY),.f•U•10,

THt•N.SI~GLET•tU>> tl:IS•E•<tTO<Y>,<lO>f.lYJl[U:lTO(lJ1 T5 t= TH2wE.NOTis•ctTOCY),tY.YY,<U>f,.T3•

I a n TRlS<lTO(Y)•<U>f•<lO>F•lY•t•<U>•I>>

:= THS•L.SOME•(tTO(l),[U:lT0(1Jl IS~E*(lTO(YJ,.yy,<U>f},[U:!TO<lll

SYMNO!IS{lTC!Y),<U>F~YY,fS<UJ})

T7 :: THt•t.ALL~C1TO{YlotU:1TO(YJJ I~~SEClTOCl>rlTOCYlrr,U),YY,T6)

tN:N~TttS•E•CtTO<Y>•<lO>f•lY))J[U:lTOtlll T8 := TH2•E.NOTIS"I1TOCY),clD>F•lY•<U>F•N•

N ; T9

no

F' a ru

fit( U)) :: TH5"l.SOME"C1TOC1),[U:1T0<1Jl

IS•E•<tTOtY>•lYr<U>f),[U:1T0(1Jl SYMNOTIStlTO(YJ,<U>F,1Y.i6(U)J)

:= THl•t.AtL•CtTOtY),[U:lTOCY>J IHtGEC1T0<1l,1T0(Y},f,U),tY,T9>

:= THl-L.I~P•(ISwE"<lTO(Y),<lO>f•lY), NOTCSURJECTIVE<lTO(l)•lTQ(Y),f)), CT:IS"E"tlTC<Y)o<lO>f,1YllT7(T),

: Is"'E•U TO<Y h<U>f•<lO>F>

: NOTCIMAGE(lTO(ll•lTO<Yl•f•TYJJ

NOH SIJR. JECT IVEC HOU h lTOCYhF>)

NOH IHA GEU TOCl h1TO<Y ),f,. lYJ J

: NOT< SUR JECTIVEU TO< 1),- 1TOC YJ,f'))

T1Z NDTCSU~ JECT IVH lTOC 1),. lTOC Yl.f")J [T:NQTCIS•[•(ti0(YJ~<10>f•1Y)llT10(T)) :

•- TH2"L.ANO•tiNJECTIVE<1T0(1l•lTOCY>•f), SURJECTIVEt1T0<1>•1TC<Y>•r)ol11J : NOT<BIJECTIVEUTOUhlTOUhFJJ

L. a rn ·- THS•t.S~ME•t[T:lTO(lJllTCCY), [F:(T:1TOtlll1TOCYllBIJECTIVEClT0(1), 1TOCYl*f)o[fztT:lTO(lllli0(Y)lf12(fJ)

a T14 :: [YHIAlHT:lESS(l,Y)}T13(Y,T) X a [P:PROP2(X)JtY:NATl[L:LESSC<X>SUC•Y>l X a XS :: <X>S!JC l a XXS ·- XCU'!"OS)

YYl :: XCJT(Y) Tl5 : = T RLESS<l•<X> SUC• !# SATZZ4C C X)•l) YMl ·- KNCY.!,ilS) Tl6 ·- ISLESSll{<X:JoSUC•PtU•!h Y•PUYH1•1 h

SAT7.4((Xl.THlC•N.MN~<Y•l,.TlSl,.L)

T17 :: SAï(20CCX•YHl•l•Tl~l

: NOT<PRlPl(l•YJ) : PROPZU >

.: NAT 1TOC <X• SUC) lTQ(Y)

: LESSCbYJ NAT

: lES5(P~CX,l)•PL(YM1,.1J) u: ss n. Yl'! u

s

$

-5.41-

Page 145: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

~--------------,T~1~8.----- :: ISLESSZCPL(YHl•l>•Y•YMl•

. u ~

THtO•N.MH"(Y,t,T15l•SATZ18A{YMl,l)J [f'":[ r: lfOC XS) l1TO(Y) J( B:B! J:::CTIV(( lTO( XS) d !'CO' hf'll T19 ::: ANOEH!NJECTIVEUT!JOSl•lTO<Thf)•

SU~J::TIVE<ITG<XSJ.~TOtY)rF),8l TZO := r.:~::H:::.'(!NJECTI'fEOTO<XS>•lT::J(Y),fh

SORJEC n VE ÜTOCXS !.-l'fO<Y hf h B 1-CI:Is•E'"U TOUh<XXS>f,YYl lH:.JH TOO:>l :.~ 1 · :"' I 111111 r x, u l T21 :: SAfZl6A<Ul•X•XS•lTn?cX,vl•SATZ18t(X)) TZZ :: EC3ElHIS<Ut ... XSlrMOfiE!Ul•XSh

T23 J2 TZ4

LESS(U!rXS>rSATZ103CU1·XSJ,T21) ::o U:SSISr!,Ul•XS·i:!!> :• OUTN(XS.Ul.TZJJ :: TH3"L.IHP•(IS~E'"ClTG{XS>•U2,XXSl•

ISCUl,XS)•TZZ,(T:lS"E•(tTO(XSl•U2rXXSJ liSOUTNE<XS•Ul.T2l•XSrLESSISil<XS>•TJ>

[J:IS•E•(tTO(y),<U2>f.YY1Jl T25 :: TRI52( 1TO<Yl•<U2>F•<XXS>f•YYl•J• IJ TZS : = I sn: { lTO\ XShlTO <Y hf" Tl ?•UZ" XXS .o T25 J T27 :: TH3•L.!M?•(!SPE•<tTC~Y)r<U2>F.oYY1)r

111 [J:ISUl.Y )l T2&

rs•E•<1T0{XS).oUZ•XXSl .. TZ~• [T:ts•Eft<lT0(Y).o<U~>F.oYY1JlT2ó(T})

:: INNCT•<UZ>n

:: TRIS<1TOCil•<U2>f~OUTNCY.olll• 1T~P(Y.o<U2>F)J.oYYl.oiSOUTIN~(Y.o<U2>f).o ISOUTNI<Y•Wl•lTOP(Y,<UZ>f),.y, lESSISIHYhJ))

u a T29 := TH3•t.I~P·tiSIWl•Yl.oiS•t•<tTOCY).o<U2> f,YYtJ .. T27.o[T:IS<IIl,YllT28(TlJ

I ; u il

I ;

T30

T3l

T32

:: GRE1CLESSCW1•YJ,JSCWl,YJ.olTOPCY.o<U2>f) ,rz9,

:: ISLESSISZCY.oPlCYMl.tl,Pl<Wl .. tJ.o T!il c•N.!-!N .. (Y; 1• US J • SATZ258( y, iU "T 33) J

:: TH?•t.oR~CtESS(PlCWl .. l),?ltYHt .. l)),.

lS(PLCWl•lJ.oPL<YMl.ol}),.LESS(Wl.oYMll.o IS<W1~YM1J~T31 .. tT:LESSCPlC~1•1>• PltYM1•1>JlSATZ20CCW1•YHl .. t•T>, [T:IS<PLCII1•1> .. PL(YMl.ol}JlSATZi09(111• YMh t..T> J

HZ :: O:JtN<nu .. wt, HZ> F'1 := CT:lTO<XJlll2H> [V:lfO(X)l[J:ts•E•(tTO(YHl)•<U>f1,<V>f1>1 T33 ::: ISOUTi'IEfYMl,WlCUl.T32CUl,.WUYJ .. T32(Yh

T31t Tl5 Tló

1'37 [V:lTOUMl)] .Vl ne T39

J) :: ISINNECY,.<U2CUJ>f,.<UZCV>>F,.T33) ::: <T34><U2CVJ><U2CUJ>T19 :: ISOUTNECXS .. Ul(U),T23CU> .. U1CVJ,T23CVJ•

T35) := ISINNE<x,u,.y,.f36)

·- INN<YMbVJ :: SATZ164CV1,.Y~t .. Y,1TOPCYH1,.V),.T18) :: ~C3E31CIS<Vl•Y)•MORECVl,YJ,.LESS(Vl,Y),

SATZ10B(Vl•Y),f38} HO :: lESSISIHV1•Y•TJ8) vz == ourNn .. vt.. HO> WJ := <VZ>tNVF'ClTOCXSl .. lTOtYlrf•S> f41 := TliiNiiF2(HOCXSh1T0("(),f,B.o\'2J [J:ts•t•ctTO(XS> .. WJ,XXSll uz := rsruroo:s>,lfO\Yhr.~tJ.xxs .. J>

LESS CY'f lr Y)

HIJECTI VEC1TOUS),1T0(Yh::- >

: SURJECT IVE<1TOUShlTOtU,.n

NAT USSCU1 •XS)

NIStUt .. XSJ lESSISl UhXSJ li CC lCS)

NOH IS'" E .. U TOCXS J,uz,.XXS))

: IS"E•(l TO CY h <U2>F,. <XX S>f") : IS•E"(lTO(XSJ,.U2•XXSJ

NDTtis• E .. C1TOC Y) .. <U2>F ,yyt)) : NAT

: IS-t•u TDU h<U2>F.oYYl J

: NI SOU .. Y)

lE ss Clfl ,. Y)

: LESS IS{ Nl,YMU : lTOCYtn l

[f :1 T!Jt U 11 TOUMl>

IS(Ifl<J hWHVH : IS•[~(1TOCYl,<UZCU>>F,<U2CVl>f)

ts•E•(tf0(XS),U2(U),U2(V))

ISC.IlCJ > .. uuvn : IS•[• U TO<X ),.U, V)

NAT LESSCVl ,u NIS(VloY) lESSISt VhY) HOO"> lTO( XS>

; Is•p•a TO<Y ),.yz,.<N3>f)

: IS•[•(l TOCY h<Wl>f',. <XXS>n

':'"' s. 42-

Page 146: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

TH := TR3IS<lTOtY),V2•<ft3>r•<XXS>r•YYl•T41, Tl.2, I>

TU :: ISOUT~E(Y,Vl•T4),Y.LESSISI3CY),T43) V :1 ns :: TMJ•L.IMP•(IS·E-ClTOCXS),NJ,XXSl,

ISCVl•T),T]9,[T:zs•E•t1fOCXS),~3•XXSll f44( Tl}

!14 ::. z;mr:cs,;r;n tJ:IS(WiuXS>J H6 := TRISC1TDtXS),WJ,QUTN(XS•W4•1TOPCXS•W3>

) , ·o: '>• ;sGiHI NN( X s, w 3 h ISDUT1IC~S.~4•1TC=~XS•NJJ,XS• U.: SS IS B CXS lt J l)

V ; TH := TH]•L.ts~~czsCH4,XSJ,IS•[•ttTCCXS),W3• XXS1,!45,[!:IS(ft4•XSI1T•s<~ll

Tft8 := OR~lClESS<W4,KS>,ISC~4,XSl71TO?(tS,W3) ,f47)

TU := SATZ26UX .• W4,T46) 115 := ouna x.~ ... T49l TSO :: IS!~OUT~(XrM4,T49) T51 :: T~!S1:TO(ZS),W3,QUTM<XS•~4.1TOPCXS,W3)

l•J2{H5Jo!SD~TINNCXS,WJJ, IS~~ï1!ttS,W4.1TG?CXS,~3>,Ul<W5), T230i5>•T50))

T52 := ISFClT9<XS>•lTOtY),F,WJ,U2<WS).T51J T53 == TRISflTO<Y>•V2,<W3>F•<U2<W5}>F,T41•

rst > T54 :: TR!SCNAT,Vl•I,~(y,yz),Wl(WSJ,

I5I~GUTNCY•Vl,T40)•ISINNICY,V2•<UZCN5l >F,.T5J))

T55 ;: TRIS{lTC<T~1l•V•OUTN(YHl•Vl• I TCP C nu, V)),. WZC lol5 h ISO!JT Il'tN( Ylfl•V h ISQUT~I(YM1,V1•1TOPCYH1•Vl•Wl(W5)• T32C W5 h T54))

T56 ·- SO~EIClTCCX}o(T:lTOCX>liS"E•<tTOCYMl ), '/,<T>fl}oiiS,T55)

I a T57 := INJI(INJECTIVE<1TDti)•1TOCYK1l,FlJ• SURJEC7IVE!l!OCXl•lTO<YH1l•Fll• [U:tTO<X>JtV:lTOCXll[T:IS•("(lTOCYHl ), <U>rl•<V>Fl)JT37<Û•r•T1•CU:1TO(YK111 TSS<!J))

T58 :: SO~EI(rTHTOCXU1TOOHlh{G:[T:1TGCX>l 1\0(YMlJlBIJECTIVE(lTOCX),lTO(YKl)•û)• rt. T57>

T59 ·- <T56><T17><H!l>P 8 a [N:N~TCIS"E•ttTO(Y)~<XXS>f,vYl)JJ

1'!0 :: <YYl>IN'IF'Cll'OCXShlTO<Yhf•B> TSO :: THI!'IYFZ<lTO<XS),1f0<YhF.S,YY1> FZ := CH,NGE><tTQl XS), lfl"l( n,.r,.M.O,XXSl Til :: CHANGEr2C1Tij(XS)•lTO<YJor•KO,XXSoXXS•

REFISilTQ[XSJoXXS)J T6Z :: TRIS2C1TOCYl•<XXS>F~oYT1•<MO>foT61•

T60l T63 := TH5•[.WISSEL•(tf0(~SJ,.1TOCYJ•f•MO,XXS,.

Bl Tó4 :a T59(F2oi63rT6Zl

a a T65 :: THt•L.IMP•CIS•E•CtTOCYJ,.cXXS>F•IYll• ca::, [T 1 i s•t:"< !TO CY), <XXS>F oYYU H59\T) ,[TrNGiCIS•E•ClTOtYJ•<XXS>F,YTll)J TG4!Tll

L a T65A := TH5'"l.SOICE,.([T:1TIJUSlHTOCYh tr:rTrl!GtXSlllTO<ïllBIJECTIYE<1TOCXS) o!TOCY>•f),[f:[T:lTO(XSlltTCtvl;

IS .. I:"ct TO<Y J.vz,yyt l :JS(Vl,.fl

NOTC ts• [•(1 TO<XS ),.W 3,X XS)) NAT .

: IS•[•(l TO<XSJ,WJ,XXS)

~II SOI4• XS)

: LESS ( 114 •XS> l.ESS IS[ 114 ,x l

: !TO<lO : ISCifluJ Hil5 )J

: IS .. E•<I TO<XShlf3•UZ015H Is•t•<tTO<Y),<Wl>f•<U2CW5J>fJ

IS•(•(t TOCYJ.YZ•<UZCW5)>F)

IS<Vl.f UWSU

: IS•E•(tTOCYHl),V,<WS>Fl)

: IKAGEU TO<X )~1TOCYHU•Fl•V)

~ PRC!' UY Hl ) : CON

1 TO( XS) IS'"E•n TOCY ),.yyt,<HO>f)

: rr :noc xs)] 1too,

: BIJ::CTI Yf:(l TOUS>•t TO< TJ•f'Z> : CON

CGtl

- 5.43-

Page 147: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+8275

-ezr:;

U8Z75

P a TG6 x a Tó7

[L:LESSCX .. Y)) SATZH4

[T:BIJECTIYE<1TO<XSJr1TO<YJ,~)lT65<F• T))

:• (Y:,ATl[T:lESSCXS~YJlT65A<Y•T) := INrlUCTt0N([T:I'~ATlPROPZUJ,T14.n:N.\Tl.·

(U:P?.OPZ(f)~TSó(TrU)~Y.J

:= <L><Y>T&7•.&274"

[F:(T:1TOCXJ11TO(Y)l SATZ!74A ;: T~4·L.SO~E*CtT:1T~tXJl1TO<YJ,

[ :;: t:T: 1 H!CX) l1 TO(Y l l8IJECTIVEU TO<Xh

NOTCPRJPl(XS~Y)) PRC!'ZC~Sl

NOT<SO•t•t•([T:1TO(XJ!1TOCYJ•[F:tTI1TOCXJl1TO<YJl BIJECTIVEllTO<XJ;lTOCYJ,f))J

lT::CYl,GhSAHZrt•rf) : NOH8IJECTIVEC1TO<Xh1 TO('( hFU

3 tX:NAT l(lJ:lTOtx)] INN := IN~""N•cx,.ul

1 [Q:[T:CXltU:CXlCXltX:NATJ[f:[T:lTOCX>lCXJ X ; [N:lfOCX>ltO:NOTCIS*E•(tTD<XlrN,XOUTCXJ)Jl

n

TZ

I.EMifAZ75 ; ~ (G:tT:lTOUJ)CXl

RECPROP

:= THJ•L.IMP•(IS•N•CtNNCX•NJ,.Xl• IS•t•(!TU(XJ•N,XOUTCXJJ,Q, {f: l S"N"( I NNt x,. ~D r lO lTRISU TOCXhNr OUTNCX.IH,CX.NJ.tTOPCI,N)),XOUT<X),. ISCUTIN~<X.Nl•ISOUTNI<X•INN(X,Nl• 1TOP<~•N>•X•LESSISI3{XJrTl)}

:: OREl<lESs•N•CINNCX.N>•X)r IS•N~liNNCXtNl•Xl•lTOPfX,NJ,.fl}

t= ANO<ISC<lOUT(X)>G,<lOUTCXJ>FJ• (T:lTQ(X)l{U:NOT(IS•[•ttTO<X>•T• XOUH XJ > J liS< <OUTNC x, <I NN ()(, T >>SUC,. LE~MA275(T•Ull>G~<<OUTN<X•<INN{X,TJ> SUC.LE~~A275{T,Ull>F><<T>G>Ol1

X 2 10 :: lOtiTUJ XIJ :: XOJHX·l [U:NATlti.:LESSIS•N•(<U>SJC•Xl! Tll ::: SATZ163(U,.<U>SUC .. X.SATZ18C(UhU T1Z :: lESSISI1•N•(U,X•Tl1) JX := CUTN(X,u,TtZJ Tl3 :: EC3~3l<Is•N•<U•X>•HORE•N•<UrX),

tEss~n·cu.XJrSATZIOB(U•XJ,TliJ T14 •- TH3•t.IMP~czs•r-t1TOtXJ.UX,.X0)~

IS"~·<U•Xl•T13,(T:IS"~"C110(X),UX•XO>l Is:JT~~tX~UrT12~X,LESSISI31~),.T))

: NAT

: NOT< IS•N"UNN(X,N}.,X))

LESS IS• N"'( < INN< x, N) >SU Cr X>

: 1 P~DP 1

: lTOU) 1T0( X)

: lESS•N"(U.oXJ LESS zs• N•cu .oU HOO'

:-:xs•N"r u~x,

s

s

$

$

- 5.44-.

Page 148: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T16 ISt~OUTn~x.u.TtZJl

:= ISOUT~I(X,<U>SUCrl•<INN(XrUX)>SUCr LEH~AZ75~UX•Tl4).T15)

X 2 tM:1TOCXJlCO:NOTCIS*t•<1TGtXJ .. ~•XCJJl

· : IS'"E•U TO.CX hOCTN<X•<U>SU: ,u .. oUTHtx•< INN<X, UU>SUC. lEMMA zr 5(UX, T14)) l

NS :: OU.TNCX·<I!iN(X .. N)>SUC•LEM"AZ75UbC)) : liOOO F a [G:('f:lTOUHCXJ .

PP.OPl. := IS<<10>{;,<10>F} : 'PR!JP' PROPZ :: tT:lTOCY.)~(U:NOi(IS•E"<lTOCXJ,T;XOlll

IS(<NS(T•U~>Gr<<NSCT .. UJ>F><<T>G>Q) 'PROP' [PG:UCPRJPC G) l T3 :: ANDE 1{ P'Wi' l• PPCPZ,PG) PRO? 1 tN:lTCCXJJtO:NOTCIS•E•CtTOCX;,~ .. XGlJl T~ := <O><N>A~DEZCPRCPl•PROPZ•PGJ tS<<NSrN,QJ>G,<<NSCN,GJ>F><<N>G>Q)

PG a {U:NATltL:lESSIS•N•<<U>SUC .. Xll T17 :: !SF'( trC( u,ex .. !hOUTNU,.<U>SUC .. L}•

NStUX( U,Lh T lfoCI•l l) "Tl6(U,.l) J ISC<OUT NU, <U>SUC"l )>G•<NS CUX(U,l).o T 14CU .. L Jl>Gl TU :: TRIS(CX,<O~T~(X~<U>SUC~l)>G.o

<MSiUX<~•L>rTl4!U•llJ>Gr<<~SCUX(U•l>• T14CUrLJJ>F><<UKCU.Ll>G>Q,Tl7o T ft( PG, Uxt:i•U" Tl4( U•U) l : IS<<OUT NU• <U>SUC•l )>G.o<<~ SCUX<U•U,. T14CU,. U )>f><<UX{ u,

l )>G>Q) G a t~:[TtlTDCXllCXl[U:NATl[L:LESSIS•N•cu,x>:

PROP3 ·- ISC<OUTN<XoUrl)>G,<OUTN<X,U,.LJ>H) 'PROP' U a P~OP~ :: ASDILESSIS·~·<~•Xlr[T:L[SSIS•N~(UrXll

PRG?~(T)J 'PRJP' !'ROI"5 := OR\PRGPforMC!tE•N''(U,X)) 1 PR:JP•

H a tPG:~ECPROPCGJltPH:RECPROPCHJltL:LESSIS•N•(l,X)l T5 :: ISOUJNICX,l.ol•l•SATZZ4ACX)r

REf'ISUATrl U : JS•t•(l TOU hOUTN<Xrl•lJ•l OJ T6 := ISF( lTOCXhCX .. GrOUTNCX•l.rlJ,lQ,.T5) : ISC<OUTNCXrl•lJ>G•<lO>GJ TT := TRISCCX .. <OUHHX.ol•Ll>Gr<lO>G,.<lO>f•f&,.

T3CPln > ISC<OUf NCX,lPLJ>Gr<lO>fJ T8 :: TRIS2CCXr<!:!!JT'I{X"l•Ll>S,<OUT:'HXrhL)>

Ho <l O>F" T7,. T7(HoG,. PH,p;;,L) l PRC? 3C1 •L) 1"'4 a T9 := ANOHLESSIS"S"<1•Xl..[T:LESSIS•N"C1PXJJ

PROP3Ct,T},.SATZZ4ACX), U:LESSts·~·U.UlT8(T)) : PROP4<l l

Tl!) :a DRil<PR::JP4U J..MO!H:·~~·(l,XJ,T9J : P!f0P5U J [U:NATJ[P:PROP5(U)l[L:tESSIS~N'"C<U>SUC,Xll T17 :: EC3ESZ<Is•N•<u.x>,MQRE·~·c~,.Xlr

LESS•n•cu,t),.SATZlOBCU•Xl•TllCU,LJ) NOTtMD~E·N•(U.oXJ> TZO :: tlRE1CPROPHUhM'ORE'"N"fU,X),p,f19) : PROi>ltÜ) !21 :: <Tl2(Url)>~NDEZCLESSIS•N•(g,.l(),

[J:LESSIS"N•(U,X)J?~OP3(UoT),T20) PR0?3(U,T1Z<U,LJJ TZZ :: ISFCCXrCX,(T:CXl<<KS<UXCU.tl.T14CUol))

TZ3

T24

Tt5

>F><T>Q,<UXCUrlJ>G,<UX(UoLl>HrT21) IS<<<NSCUXtU•LJ,.T14CU.oLJJ~F><<UX(U,LJ>G>O•<<NS<UX(U,l1•

:: SYMISCCX,<CUTN!X•<U>SUC•L)>H, «NSCIX(U#U • Tt4(U, L) l>r>«UXCU,U>H>

T lft( U,;. ) ) >f >«UXW.o l)> H>QJ

g,. T180tr Pli.U .. U> : IS<<<M.i WX( U•L h T14<U•ll )>f><<UU Url.J>H>Q, <OUTN( l(,<U>

:: TR31S{CX,<OUTNCX,<U>SUCrll>G• <<NSCUX(UrlJ" Tl4<Url) l>F>«UX<U•l )>3 > Q~c<NSCU~C~,L),il•cu,L>)>F><<UXCU•L)>

H>Q,<DUTNCX~<U>SUC•Ll>H•Tl6CG .. PGrU•LJ• T22, T2:;)

:: ANOI(lESSIS~N•(cU>SUC,X)• [T:LESS! S"'tf•( <U>SUC • JO lPROPH <U> SUC• Tl

SUC.ol ,,. HJ

PROP3(<U>SUC,.L>

,L, t r: LESSIS"N .. ( <U> SUC • X J Hzt, CT)) : PROP 4(< U>SU C) ::: ORI 1(PROP4(<tJ>SUC> ,Mt.J!?E .. N .. (<U>S·UC• U"

- 5.45-

Page 149: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T2'5 l PROP5 (< U>SUCJ P ; tN:NOTCLESSIS•N•(cU>SUC•X>>J

127 ·- S4'l'Z10tc:(<1J>SUC•.X .. N> : HGat•N•.(<U>SUCrlO f ZIJ • - ORI2 ( :> ;>0P4C<U>SlJC h KORE "N•( <U>SUC• n •

T2Tl PROP5(<U>SUC) P ; T29 :• TFl'"t.I!1P'"ClESSIS"N .. (<U>SUC .. Xlr

PRCP5(<U>SUCJ,[T:L~SSIS•N•(cU>SUC•XJl T2.CTl•fT:NDT<LE~SlS"N•CcU~SUCrXl)] rzann : PROPSC<U>SUC)

U ~ 130 :: ISDUCTIONt(V:~~TlPROPSCYJ.TlOrtV:~ATl

P't ~ [NHTO(XJl T31 :=

T32 := Tll == TH :=

135 :::

136 ::

?!i il J'37 := r ; PROPi :=

x ; PROPT :=

[T:?::(C?5{1i>HZ90,.T),U) : PROPS<J)

ISf(lTO(X),CX•G•N•G~;~<XriNNCX,NJ, l!JP(X.NJl,ISGUTlNS{Y.,Nl) SATZlODCINNIX•Nl~X,lTOP<X,N)) OREl<PRDP~CINNC~.N}J,MORE·N~(J~N(X,Nlr XJ,T30(lqN(X,Nl)rT32) <lTDPtX,N>>~NDtZ<LESSis•N•CINNCX,NJ,XJ ,[f:LESSIS~NP(!NN(I#N),X)lPRCP3ti~~(X,

n>.rJ.T33J SYY.ISCCX,<~>H#<OUT~<X•INNCXrN)• 1TOP<X~N)J>H,T31(H,G.PH,PG.NJJ

TR3IS(CX,<~>G•<OU7N<X•INN<X .. N), lTOP{X,N)l>G•<OUTN!X•!NU<XrN)r 1TOP<X,NlJ>Hr<N>H,T31•T34rT35) fiSi(lTJ(X)rCXrG•H,{T:1TOCX>lT36CT>> Sl!\0:;: .. t. "tE T: 1 TOOOlC x., [ G: (T :1 JO U )lCX l . RECPROP(GJl ALL•t.•C(T:lTO<XJJCXr[F:[T:tTO<X)JCXJ PR!JPS(f))

ISC<N>~r<OUTNCX•iNN(X,NJ,lTOPCX .. NJJ>G) NOT<MO~E·N•CINNCX~N)rXJ)

: IS(<N>i r<N>H) IS"'t,. ([ T: 1T 0 CX JlCX• G• H)

'PROP'

: 'PROP' 0 ; tf":tT:1T0(1JlCXl

l38 := P.CfiS<CX•<lOCl)>f') PROP1Urf"f"J tN:lTD(l) J [0: NOTH S"E"H TOU ,, N,. XOU) J }~ f39 :::: <THl"N.SINGLET•c N)>O : CON T40 :: CO'iEtiS<<NS{ l,.NrG)>f"•«NS(bJ!I,Q)>f'>

<<N>f>OhT39 J lSHNSt l .. N.OJ>f,«NSU,.NJiiU>F>«N>f'>QJ F a f41 ·- ANOI<PROP1(l,Frf)rPROPZ(1,frf"),Tl8r

[T:1TOC1Jl[U:NOT<IS~E•t1TOC1),T,X0t1JJ JlT40<T .. Ull : RECPRO?(l,.f,f)

T~2 := SOMEI<CT:lT0<1)JCXrt~:[T:tTOC1JlCXl RECPROP(t.frGlrfrTfoll : PR0?"6U •F>

0 ; T43 :: tf':rT:lTOClllCXH4Z<FJ PR<l?7U J X a (P:PROPTCXJl

XS := <X>SiiC NAT [f":[J:lTOCXSJlCXJ Fl :s LEFTCCXrXS•X•LESSISil•N•(X•XS•

SATl18C(X) ),F') : [T:t TO( UJCX T~4 :: ONElC(T:1TOtXJ1CX,[G:tT:1TOCXJJCXJ

RECPRQP(XrFl•Glr(G:(T:lTOCXJJCXl tH~[T:lTOCX)JCXlCU:RECPROP<J,.fl,GJl

[V:RECPRCPCXrfl•H)lJ3Ttf1•G•H•U•Vl, <fl>Pl : ONE·E~ tT:tT0(1JlCX,[G:[T:1TOCXJlCXlRECFROFCX,flrG)J

Gl :: INOCtT:tTOCX>JCX•[G:tr:HOUJlCXl RECPROPtxrFlrGJ•H4) [T:1TOC XJlCX

T45 :: ON~AX({T:lTOCX>lCXr(G:(T:lTDCXJlCXl SECPR::t?U•fl .. G), THJ RECPRO? ()(;fl,Gl)

tN:lTOCXSJl us (Q;NOT(NXSJl H6 N1 B

= SATZZ6A<X~INNCXS~NJrTZ(XS•N•O)l : ûUTN(X,I~N(XSrN},T~;)

::: <Nl>::;l

'PROP'

LESS I s• N•U NtnlCS•N )r XJ lTOC X) ex

- 5.46-

Page 150: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

f a ~ ;

D ;

r ;

nr :=

TU :-= 4 =-= c ::

CI :l'ollCS l H9 :=

TSO ::

GZ := T51 ·-

T52 :: T53 := T54 :=

T55 ::

T56 ::

nr == T58 ::: T59 ·-

ISOUTNIIX.I~~(XS,H),T46COI•INNCXS,N), T 46( 01 h !t(f'"I st:lAT, IN'H )($, N) n ISF'f li::JCO .. CX,GI..~H C),.N1(01 hT4 1l <<KO{:S)~F~<<lCtXl>Gl>Q

ITERL.R·t~xs.:x .. rr:~xsJA .. CT1NOtc•xs>J 9(T} .. ~T!NXSl[~t~XSlREF!$(CX•A>• (T:NGTI~XS~J[U:~GlfNtS)lT45(T,U))

!TET•L.!•(NXSoCX.!T:~XS'A•tT:NOTCNXS>l 8(T),[T:~XS:r~~~XSl~EfiS<CX•~),

[T:~CT(~~SJJi~:,o~;~XS)lT48(T,UJ,!l

ITEF•L.R·:~xs,cz,[T:NXSJA,[T:NOTI~ZS>l BCTJ,[T:NXS![~:HXSJq[flSCCI•A),

(J:NQ!(IXS)J[U:NOT(~ISllTh6{f~UJ•0) {T:lTOO::S)JC(fl TH3"L.I~P·CIS•E•(lTOCXSl•lD(XS),XQCXSJ >•IS"N~(l,XSJ.SYMNOTIS(NATrXSrlr<X> AXl),(T:!S"E~ClTO<XSl•lCCXSlrXOCXSJ)l ISOUTNECXS•l•S•TZZ4ACXSirXS· LESS!$!3(XSl•i>l T51H 1GOtS),751) ISINOUTN!XS•l•SATZ24AtXS)J ISOUTNICX•l•SAJZ2.A(X),INN(XSrlOCXSJJr T45{1~(~S)r!51lrT53)

I5fC1iOtXl•CX•GlrlCCXl•Nl<10lXS>•T51J• T5t.} TRISZtCX•C<lOCXS)),<lOCXJ>GlrB<lOCXSlr T51 )rT5ZrT55) TRIS<CXrC(lO<~SJ)r<l0(Xl>Gl,<10(X)>flr T5&rT3{XtflrG1rTt.5)) lSINOUTN(Xrl•SATZZ4ACXl) ISOUTNICXSrlrSATZ24A(XSJriNN(Xr10(X))r r~~tssts·~·c:s~rx.lCtXlJ.x.xs. 1TQPCX•4C(X>>•LtSSISI1•N•<XrXS•-SATZlSC<lO )), TS!l >

IS'"E•U TO<X hN1CilhN1Hll H IS<B<OhB<Olll ex

ex

IS(C • SJ n :trot: xs n ex

NOTCIS•t•<lTOCXSJriOCXS>r~O<XSJJl IS<C ( 1l US) hB< 10CXS1r T5U) Is•N•n • I~NUS,. HHXS)))

IS-t•<tTO<XJ,10(XJrN1{10(XSJrT51J)

ISC<10[X}>G1rBC10CXS),.T51J)

: IS(C(I] <XSJ h<lO(U>GU

: ISCCCll USJ h<lOU>>F'U : IS"~•<t .. INN(XrlO<X)))

lS•[•ttTOCXSJrlO<XS>rLEFTlTCCXSrXr LESS ISll"N• (X;XS•SATZ18CU.) h lOCX n J

l'óO ::: ISH lTO<XShCX,f rlOUSh L(fTlTCCXS•X•LESSISil·N~(XrXSr

SATZ18COOlr13UJJrT59J : IS<<lot XSJ>fr<lOUJ>Fl J T61 ·- TRlSZCCX,CtlOCXS>J•<lO<XSJ>fr<lOCX)>

flrT5t.i6:>> PROP1US.FrG2J a ; [I:ts•E•(lTOCXSJ,HS<XSrN•O>rXG<XSl)1

T62 := ISOUTNECXS•<I!öNOCSrNJ>SUC,. tE"IMA275<XS• 'i• 0> • XSrlE SSI SI H XS J.I > : IS""'' •(< INN( XS .. N) >SUCrXS)

HIJ := <TóZ><lC><IM!'HlCS .. fU>AX4 : IS•N•UNN<X.SrNJ,.XJ T&4 :: ISOUTNitX .. INNC:S .. HJ•T46•X•L(SSISIJ(X}r

T6H IS"'t•u TG<X hNlrXOU}) T65 •- ISH liO<XhCXrG!.XQCXJrNlrSYHISC 1f!)(X)

rHhXOO:hió4)) : ISC<XQ[ X>>Gl•IH T&& := TRISZCCXr<XD<X>>Gt .. c~B·i65rT50> : IS(<XO[ lC)>Gl,.C> T&7 := ISF<CX•CX .. tT;CXl<<XQ(XSl>f><T>O~<XCCX>

>G! .. C• T&6l ISU,. « XO<XS J>F><C>Q) 168 :: ISF"< 1TOCXSlrCX,.f,XOCXShNSCXS•N•Oh

SYMI S<i TO<XS ), ~iS (XS. N• 0), XO<XS h I> J ISC<XO[ XS l>F' r <NSO:SrNr Ol>F' ) T69 :: ISFCCX .. CX .. <C>Qr<XQ(XSl>F•<NSCXS~N•Ol>

r,r&aJ ISC<<XltXS)>f><C>Or<<NSCXSrNrCJ>f><C>Q) T70 := TR~ISCC~r~(~SCXSr~,Cl)r~•<<XO(XSJ>F>

<C>Ih <<NS{ XS• :1.0 )>-f> :<C>O• T490lS CXS, t4, 0 hl h TG.7,. TS 9) ISCC( NS US. N,.O)) ~«NS( XSrN,. Q)>n<C>Q)

0 i [Jl:~OTCIS*E•C!TOCXSJ,NS[IS•N•Dl•XC(XS>)J H I: IS •[•( 1T 0( lCh NI.XOClD))

-5.47-

Page 151: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T71 :: ISUUTNEtX~INNCXS-N>-T4&,X,lESSISI31XJ• n : Is~~·ctNN(lCS•Nl•XJ

TTZ =~ A X2< !'HKXS, N h IC,. T71 l : IS ""i .. (< INN~ XS,.NJ>SUCrXSJ T13 == ISaUT~!CXS•<INNCXS~~l>SUC•

LEHHAZl5~Xs,N,O),XS•LESS:SI3CXSJrTT2> lS.,.E•(l TO<XS hNS<XS,.N,.OhiC OUSJJ 01 a T74 ·- TH3*L.IMP•(tS•E•(lTOCX>•Nl,XO<X>l•

IS"E•< lf0( XS h !-.SUS; lt• 0 h lCO{ XS l) ,.{Jl,. (Ttts•E•tlTOCX> .. ~l.XOCX>lJI73(~)) NDT<IS•E•<li0{X),.N1,X~{XJJ)

T75 :: ISIND~!~(Xri~~CISr,!,T46J IS .. N•n NNCXSrN),. INNOC• NlH T76 . - AX2<I~~(XS .. ~JPI~~(~i~1),.J75) : I S"''C •t< INN< XS,III) >SU c, <I 'I :'i( x-N 1J >SUC J T11 := ISrND~T~!XS,~!1"~{XS,,l>SUC~

LEXMA275~XS .. N,O)J : I S""i • C< I NNC XS~>N) >SUC, I NN(( S• NSC X S ,N,.Q) J) T78 :: TRI51C~~r .. tN~!ISrR~CXSr~r0J),

<INU('•Nl)>SUCr<IN,<XSr~J>SUCrT77,.T76> : I S"'N•U NN<X SrNSC XS• Nr 0)) r< INfH X •lH) >SUC) 179 := ISOUTNI<X,INNCXS.NS<XSrNrO)),

T46C~SCXS•N•OlrOl>•<INNCXrN1>>SUC,. lE~NA275(XrNlrT7~).T78> : ts•E .. U TOU),. Nl( NS< XS• N, OJ,. Cl h t.$( Nt.. T7U J

T80 == I Sf( 1 TOCO • C X• Gt rN!C NSC XS .. Nr 0 hOU • NSOH,.T?C.hT79J r IS{9CNi{XSrNr0) .. 01)r<NS(NlrT74)>GlJ

181 :: ISI~D~T~CXr<I~N(XrNll>SUC .. lEMXA275(X•NlrT74l) : IS•ll•(c INN( htU) >SUC .. I NNU •NS<N.l• T74}))

raz == IRISC~AT,<!YNCXSrN)>SUCr<i~NCX .. Nl)> SUCr!SM(XrNSCNl,.T74J),T76•T6ll : ISftN•C<INNCXSrNl>SUCriNN(X,.NSCNl,.T74JJ)

TU :: ISOUTNitXSr<INNCXS.Nl>SUCr LEMKA275(XSrNrCJ,INNCXrNSCN1rT74J), TRLESSIS"N•<INNCX~NSC~l .. T74)lrX,.XS• 1TOPIX•NS<NlrT74)), LESSIStl•N•cx,xs,sATZ18C<X>JJ,T8ZJ : ts•t•<lTO<XS)rNSCXS.NrO),LEFTlTOCXSrXr

LESSIStt•N•cx,xs .. SATZ18C<XJJrNSCN1,.T74J)) fat. := ISF<1TO<XSlrCX.frHStXS.N .. OJ•

LEFTlTOCXS•X,.LESSISI1•N•(XrXS,. SATZ18CCXl1rNSCN1.i74)J,.T83) : IS<<NS[ XS .. N .. Ol>F' ,.cNS< Nlr T7 U>F' U

f85 := ISftCX~>CX•<B>Q,<NS<XS•NrOJ>F'r <NSCN1.T74J>F1.T84) : ISC<<Ni(XSrN,.OJ>f><B>O•<<~S<Nt .. T74)>f1><8>CJ

T86 := !SflCX .. CX•[T:CXJ<<NSCXSrN•O>>F><T>Q,.c,. B;T50l IS(<<Ni<XS•N•Ol>F><C>Or<<NS<XS,.N .. O)>F><B>Q)

T87 == TR3IS<CX .. C<NS<XSrN,OlJ,B<NS<XS.N,.OJr Ollr<NS(Nl•T74l>Gl•<<NSCN1•T74)>f1><8> o .. 150( nsocs .. te. Oh 01 ,,. no .. T4(Fl•Gl .. T45,.N1rT74JJ : IS(C(fü US,. N,.QJ )•«NSC Nt..T 74J>F'l><B>Cl

T88 ;e TRI 5 (C x, <<NS (XS, N,. 0 l>F'> <C>Q, <<NS(XS•N•G)>f><B>Or<<NSCN1,T74)>f1> <B>o .. ra&. ras J : ISC<<NS<XS,.N,.OJ>f><C>O,<<NS(Nl,T14J>F1><B>CJ

189 == TRIS2(CX,C(NSCXSrN•OlJr<<NSCXSr~rOJ>f> <C>Cr<<NSCNlrT7~)>tl><B>QrT87rT68) : IS(C(NiCXS•N•O>J•<<NSCXS•~•Ol>F><C>QJ

!) :J T90 := THl•L.IHP•t:s~E·ctTOCXS),NS<XS,NrO),. XO<XSJJ,IS<CtNSCXS .. ~·~>>,<<NS<XS•N•O>> F><C>QJ,tT:Is~t·<lTOtXS>,NSCJS,.N,.Q),

XOCXS>lJTTOCTJ,[T:NQT{IS•E"<lTOCXSJ• NS(XS,NrOJrXC(XSl)lJT89CTJJ : ISCCCNStXS,N,.Q)),.<<NSCXS .. ~,OJ>F><C>Q}

F' a T91 := [T:1TOtXSJltU:NOTCNXS(Tl)lT90(f,.U) PROPZC( s,.F,.GZ> Ut := ~NDI<PROP1CXS,frG2>•PROPZCXS,f,G2>•

Tbl•T91J RECPR03 CXS,f,GZJ TH := SOHEIC[T:lTO<XSJlCX.,(G:tT:tTO<XS>lCXJ

RECPROPCXSrF,G~•G2rT9Z) PROP6{'< s,.n p a T94 := tr:tT:lTC<XS>lCXl793Cfl PROPTCIC SJ -5.48-x • T95 := INDUCTI~~([Y!NAilPROP1CY),T43,.(Y:NATJ

[f:PROP7CY>lT94(Y,rJ,z) PRCP7U:) t.r:crn roe X>lcXJ T96 :: <F'>T95 : PROP'6 U .,r) T!IT ·- ONEX<tT:lfOCXJlCX.(G:tT:liO{X)JCXl

RECPRJP(X,.r,.Gl,{G:{T:1TOCXJJCXJ

Page 152: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

lM~~~~~lU\AJ~~AJLU~~C~r~U-\A•r-U6J

[ V:RECPR~P{X,f .. H HT3T(F" .. c,.;;,.u,. V h T96) : ONE•E•t tT :tTO( 10 lCX,. [G HT: lTO<XJ lCX) RECPROftX•r ,G))

-szr; s

H8Z75

F a SATZ275 RECF

S4TZ275A

tN:tTOC:Ol

·- nr-.szrs .. u·., :: !NOCtT:lTOCXllCX,.[G:[T:1TO<X)lCXl

RECPR~?C x.r ,GlJoSA TZZ75 l :: ONEAX<[TilTQ(XlJCX,.[G:tT:lTO(XJlCXl

RECPROP<X,f,.Gl.SATZZ75)

RE.C :: <N>RECf r a SATZZ759 ·- T3•.szrs•cx.F" .. RECf,.SATZ27SA> N :t [Q:~OTtiS•t:•(tTO(X),.N,.XO~TCX!Jll

SIJCX :: NS ... 821'5"(N,Ol SATZZ75C :: T4".8275•cx,.F,.RECF .. SATZZ75A,.N,.Oi

F 3 !G:rr:1TO(X)JCXlCR:RECPRO?CX,F,.Gll SATZZ75D. :: T37".6275"U,.r,G,.RECf,.R•SATZZ75A) OC:lTOCX>l SATZ275E :: FISEC1TOCX>•CX .. G•RECF .. SATZ2150•NI

x a n =~AT 1

Y' :t (L:LESSIS"N•n,.XJHF:n:UO<X>lCIO rL := LEF"Hcx,.x .. r .. t .. n Rf :: RECf{X,.f) Rfl :: i.EFHCx,.x,.y,.L,.Rf) T98 := ISINOUTN(Y.lrSATZZ4A(YJJ f99 := ISOUTNHX•l•SATZ24AUhiNNCY,10UT(Y') ),.

TRLESSIS•tt•( ISN( y" lOtiHY> ),.y,.x,. 1TOPCY .. t0UTCYJ)rl)•T98)

TlOO :: IS?C lTO(XJ.[ T:lTG!XJJJS<<T,.RF,.<T?'F),. IOUTCX)•l~FT!Tacx,y,l•IDUT<Y>J,. T3(X,.FrRfrSA!Z275A(X,f)J,T99)

[N:trOCY)l[O:NOTCis•E•(tTO(Y)•~•XOUTCTlJ)l TlOOA ;: THl•L. IHP•cts•t-~•U!UHY.NhYJ ..

IS•E"ClTCCY>•N•XOUTCYJJ•O• {f:Is•N•<INN(Y,NJ,Y')lTRIS(lTOCY),.N,. OUTNCT•IN~<Y•NJ•lTOPCY•N>J,XOUT<Y), ISOUTINHtY.NJ.ISOUTNICY,INN(Y,N), 1T3PCY•N>•Y•lESSISI3CYJ,Tll>

T1009 :: ORElCLESS"N'"UNNCY,N),YJ,. IS"N•(INN(Y,.N),y),.lTOPtY.NJ,TIOOAJ

f101 :: SATZl&BCINN(Y,.N),.y,.x,TlDOS.L) TlOZ := ECJE31CIS"N .. Uti~<Y .. NJ•Xl.

MORE"N"CI~N(Y,~l.X)•lESS"N~CI~N(YrN),

XJ•SATZlOSC!NNCT•NJ,.X)illOlJ T103 := THJ•t.IK?•(!S"E"(HOCIC),

lEFTlTO(XrY',l•I),XOUTCXlJ~ IS•N•t I~NCY, ~n .. :O,.flOZ. ET :tS•E•( lTO( U .. LEf Tl TîHX• 'r •L•tj), XOUTO:)) li SOUTNE (X, INH(Y,N),TRLESSIS•n•t[N~<YrNJ .. y,x, lTOPCY .. N)rL),.X,LESSISIJ(X),.f))

!104 :: T4U,Fr~f' .. SATZ27SACX,F},. LEfTlTOtX,Y,l•NJ,f103)

T105 :: ISINOUTNCX•i~N(Y,N}r TRlESSIS•N•<tNNCY•N),y,x.tTOPtY .. N)rl))

T106 ::: AXZ( INNO,. NJ,. INN<X..LEfTl TO<X .. Y ,.t, Pi)),. T105)

T107 ;: ISINOUTN(Y.<IN~(Y.Nl>SUC,.

ONE•E•([T:lTOCX)lCX•tG:tT:lTOCXJlCXlRECPRGFCX.F,.GlJ

n:trCK xncx

ex : IS<RECt lOiJT(X)),. <lOUTC XJ>f")

: lTOU) : ISCREC( SUClC CN,.O) h«SUCXC!'f •O)>f><RECCN )>Q)

n :t TCK Y) lCX : tT:1TOt lOJCX : tT:lTD(Y))CX : IS_,.•U •lNHCY .. tOUTCY»)

LESS•N•CtNNtY•Nl•Y> lESS•N- <INNCY,. NJ ,X}

: IS<<NS[X•lEFTlTOCX•Y•l•NJ,T103)>Rf, <<NS<X•lEfT 1 TOC IC•'f•bN hTlOH>F>«N>RrL>Q)

IS"N•<I tlNCY .. tu .. INNU•lE:FTl TO( x,y,.l, NUl

:

s

-5.49-

Page 153: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

lEM~A275(Yr~•O>l T108 == TRISl!HATr<INNCXrlEFTlTOÇX•Y•l•NJ)>

SUC,:N~(Y.~S<Y.N,OJtr<INNCY.N)>SUC•

TlOG .. T107> T109 == ISOU1NICX,<INNCXrlEFT1TOCXjY,lrN)J>

SUCrLEMMAZ75tlrLEFT1TOtX.Y~LrNJrTI33>• INN(Y,NSCYrN•O>JrTRLESSIS•N•ti~N(YrNS (YrN,Q)JrYrX•lTC~(~rNSCYrN•OJJrL)r T106) : I s•E•n TOCX Jr NSC X,.LEF'T 1Tt'Jt XrY .L,.IU,T 10 3),.

LEFTlTJtX .. Yrl•NS(YrNrOJ)) 7110 :: IS?<lTC<XJ,[T:ITQCX)J!S(<T>RFr<<T>F>

<<N>RFL>QJ.NSCX.LEFTlTDCXrY•LrNJ,T103J rlEFTl TD(X,Y • L•NS{ y,. Nr O> J • HO~ .. T109)

r a 1111 := [Jt 1 TOn' HU :!>OHI s•t:•c 1 TO<Y hT" XO~TCYJJJJTllOtTrUJ : PROPZtY rflrRfll

U12 ·:= A NOUPROPHY .. rt. RFLl..PROP2CY•fl•RFU • Tl OOr TH U

Y a (l:LESSIS•N•cY,XJJtf:[T:lTO<XlJCXl SATZZ75F t= SATZ275VCYrFt•.a275•<L•F>•

xs X1 Tl rz T3 rx n f'U lil GlX G H

T5

T6 T7

T6 T9

U:lTOU>l TlO

TU

T12

Rrt ... azrs•ct,.r>. ruz•. szrs•ct.r> J

:: <X>SUC := PL •N•( x .. u := lESSI5Il•N•(XrX1.SATZ18AtX,1J) ·- lESSISit•N~(XrXSrSATZ18CtXlJ := LESSISIZ•N•<XS .. XlrSATZ4E<XJJ :: LErltCXrXl•X•Tl,.f) :: lEfHC X; XbXSr TJ;F) := rt•c.827s•<x .. r9s•c.szrs•cx>,r1J == Gz~c.szrs•cx .. T9s~c.azrs•cx>.rtJ := Gl•C.6275•<XrT95•C.627S•(Xlrf1J :: lEFT<CXrX1rXSrT3rRECF<X1rf)J == T49•c.ozrs•cx.r9s·c.szrs•cxJ.rt.

XOJTCXSJrREFISClTO(XSJrXOUT<XS))J ·- SATZZ75D<XSrf1rGl•T9Z•C.6275•

<XrT9s•c.a27S•<xJ.F1J> := SATZ275f'(X1rXSrTlrFJ := TRIS2CCT:1TD<XSJlCX•G•G1rRECf'(X$,F'1Jr

Ht•TS) := FISE< 1TOUShCX•G,.Glr T7r XDUH XSJ) :: TRIS<CX,<KOUTtXS>>G,.<XOUTtXSJ>Glr

<<XOUT(XSJ>Fl><<XOUT(X)>GlX>OrT8r14)

:: ISINOUTNCXS•INNCX•N>, TRLESSIS"N•< INNC x .. ro, x~ xs .. UOPU.N>.

: IS•[•(( T:HOUJ JCXrlEFHCV: ,.x, Y •lrRECfCXrFJ h RE CF'< y, LEFT t cx.x,y •l•f J J J

: NAT : NAT : lESS IS• ?f•tx" XU : lESSIS•N•(X•XSJ : LESSts•N•<xs .. X1)

tT:l TO( U lCX n:UOtXSJlCX (T :lTOl U lCX.

: n:nacxsucx : U :lTO[ XllCX : n :noc xs u ex

: IS(<XOJTCXSJ>Gl .. <<XOUTCXS)>f'l><<XOUTCX)>GlX>Q)

: ts•E•C[T:lTOCXS)JCX .. Gt .. REtfCXS,.F1J) : Is,.E•([ T:tTO<XS) lCXrGr RECFCXSrflt J

IS•[•([T:lTO<XSJlCXrG,Gl> IS(<XOJTCXS>>Gr<XOUTCXSJ>ä1)

; IS<<XOJHXS J:>Gr«XOUT< XS l>Fl>«XOUTC Xl >GlX>Q)

T2)) Is-,• u NN(XrNh INN<XS•LEF'f 1TOCXs,.x, rz,. fi) U :: ISOUTNICXl~I!'fHtX,Nh

TRlESSIS•N~CiNN(X,NJ,XrXl•lTOPCXrN), Tl>•INN(XS•LiFT1TO<XS .. I•T2•N)),. TRLESSIS"N•CIN~tXS•LEfTlTO<XS•X•TZ•N)} .. xs.xt .. 1TOPCXSrLEFT1TCCXS,.X,.T2rN)),.T3> ,.no > : IS"E .. U TO<Xt hLEFTl TOC Xl"K .. Tl•:O•

:: !S~(1TDCX1J•CX•frLEfi1TO(Xl•X•Tl,.KJ• LE~T~TO~Xl•XS~T3~LEFT1T0{lS•~,.T~.~J)•

LEFT1 n cu.xs.;tlJtlEfTl rou s.x.n;,rn> t

$

s

-5.50-

Page 154: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-azrs

+8277

·B277

+va

r a

x :il

;

Q ..

TU

TH

Tl'S

T16

T17

T18 T19

TZO

T21

T22

SATUT6

[f :t:.Ul JO( n lCitl SHPR

Tlll : IS(<N>FX~<N>FlX) := FISitlTDCX>•CX•fX•FlX•CT:lTO(X)JJl2(T}

> IS'"E"<C r:trou> Jcx .. rx. n;o := ISrttT:lTQCXJlCX .. tT:lTtHXHCX•

ï:u:c r: UGCO lCXlRECf'<X .. Ul#FX~f1X•Tl3) : IS•E: .. {[ T :HO<XJ JCX•RECFU• F'lO rRECf(X,flX>) ;: SATZZ750(~,r1XrG1X,

rr.s•t. 8275 "( )(,. T9s•c. 8Z75"UhfU) : IS""f:•([ T :1 TO( U lCX• GU .. aECFCX rflX U :: TRIS2<!TtlTO(Xl!CX,.GlX .. RECf(X,fll•

RECrtX ~Fllt: h Tl 5,. TH> : IS"E'"<t T: 1T Q(XJ lCX• GlX •RE:nx,.fX)) ::: FI3~(~TD(X),.CX,G1X .. ~ECF(X,fX)rTl6,.

X~;T,Xl) : ISC<X3JTCXl>GlX,<XOUTCX)>~ECf(X,.fXJ) := iS!'IC\JTNU'S•XS•lESSISl3(XSll : IS"''<"' U: S•i:NIICXS .. XOUHXSiH ::: T?.!SC~'-T,Xl,XS .. INN(XS•XOUTCXS)),

SATZ4A(X),.Tl8l IS~~((l•INNCXS•XOUT<XS))l

·- ISC1T"I<Xl•Xl,LESSISI3CX1Jr IN~(ISriOUT<XSJl,fRLESSIS•N•ti~H

CXS,XDUJ<XS))rXS•Xl•lTOPCXSrXOUJ[XSJ>r T 3)~ Tl9' : IS•[• U iO<X 1 hXOUH Xl hL Er TlTO< X1 r X Sr T :hXOtiTUS JJ)

:= ISP1C1TGCX1Jr[T:1TCCX1JliSC<T>RECF(Xlr f),<<T>f><<XOUi(X}>GlX>Q), LEFT1TOCXlrXS~T3rXOUTCXS)lrXOUTCX1), T9,TZ0) . ISC<XOJTCXl)>RECF<X1,f),<<XOUT<X1J>f><<XtUTCXJ>GlX>Q)

:: ISFCCX,cX.tT:CXJ<<XOUTCXlJ>f><T>Qr <XO~TCX)>GtX.<XOUTCXJ>RECf<XrfX)rT17J : ISC<<XJUTCXl)>f><<XOUTCX)>G1X>O•<<XOliTCXl)>f><<XOUT(X)>

RE Cf ( )(, FX J>Q)

:a TRISCCX•<XOUT<PL"N•<X•l))> RECF<PL*N•(X,llrflr<<XOUTCPL"N•tXrlJ)> f><<XOUTCX)>GtX•.szrn•>Q,

:=

«l[IJIJHPt•ti• ( X .. l ))>f><<lCOUH Xl>R(Cf( x. rx•.e276~J>o.rzt·.a276*•TZZ•.az76•)

REC( X• f, XOUT (X))

: ISC<XOJT<PL•N•tx.tJ)>RECFtPL•N•<X•l>•fl• «XOUTl Pl'"N*<X"l) )>D«XOJ HU>RECf( x,

:

lEf'T ( CX rPL"N•CX,. 1 >, X•lESSI S Il"'N'"( x,. Pl•t.•( x,u, SAiZ 1s' u .. t > s.r, >>o >

ex [X:NATl[F:[U:tTOCX>lCXl SUlt := SMPR[tr:cxlru:cxJPt<T·U> .. x.rJ : ClC PROO ::: SM?~([T:CXltU:CXlTS(t,uJ,Xrf) : ex tF:tU:lTOCl>lCXl

Tl :: ISDUTNI<l•l•SATZ24A(1),1,.lESSISil(1J, REFISCNAT .. t)) : IS•t•<t TOU J. lOUTCl lPXOUT(l))

SATZ277 :: IS~(lTOCl>•lT:lTCC1JliS<RECCt,.r,r>,<T> n .. 1 OU'!'< 1 >rXOUH lh SATZ2759( t .. Fh n·.azrr .. > : ISCSI!PlU,fJr<XOUT<l>>f)

0 a [X:NATl[F:[U:lTO<PL•N•(X•lJJlCXJ SATZ275 :• SATZZ76<X~FJ ISfSKP~ (pt•N•()C"l),. rl• <<XOUHPl•PJ•<X;ol) )>fHSHPR(X ..

lEFTCC< .. Pl"NM(X,.l),.)(;olESSISil•N•(X,Pt•h•(X,l), SATZ18~ <X•l )hf"))>Q)

s

s

s

':'" 5.5.1 ....

s

Page 155: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

ro :::: tE=-r <c x" x. '• n,.r, U:1T0( Y)]CX rz := F!SE(1f0(YJ,CXrtEFT<CX•XrYrTl,.

RECftX,F) hRECf<Y,.FO >• S~TZ275Ftx.Y,Tt,.f);XOUT(Y)) IS<<LEF' Tl TP< x,.y, Th lCOUT<Y) )>RECFU,n,. SMPR<Y.rO))

T3 ·- TFISl!~AT,INN(Y,XOUTCY)J,XrY• ISISD~TN(Y,.Y.LESSISI3CY)),l) : IS '"N .. <I NNCY,. X OUT< U),. X)

fit := !SOUTN!tX•INN(YtXOUTIYJJ• TRLESSIS .. N"( INN( y,. XOUHYJ ),. y,. x,. 1TOPtYrXCUTIYJr.Tll•X•LESSISI3(X),!3) : ts-r•<tTO(X),LEFTlTO(X•Y•Tl,.XOUTCYJ),.XQUT<XJJ

TS : .. IS~I!~J(Xl•CX~RECf(X,.Flr

LErTlTO(XrY•T!•XOUTIY)lrXOUfCX)rT4l : IS<<LE~T!TOCX•Y,T1•XOUT<YJ )>RECF(X,.f},SMPR<X•f))

·va s

ISSIPR := TP.lSl(CX•SMP~(Y,fO•.vs .. ),SMPR(X,.F),. <LEfTlTOIX•Y•Tlw.vs•,.xoUTlY>l>RECf(X• rJ.rz~.vs•,rs•.va~> : ISCSMP:C <Y rl.EFH CX,.Xr Yr LESS ISI2•tt•n,. x, I),.f U•SitPR<X•F))

~ tz:COHP~EXJtX:NATJ

+!279 s

u :: RLOnH'ClO REAL PROPl =· ISCSU~CXr[T:lTOCX)JZJrTS<Z•PliCXP.r3llJ 'PROP'

z ~ Tl := SATZ277CCT:CXJ[U:CXJPLCT,.UJr(T:tTOClJl Zl IS<SUHt lrCT:lT:JUJlZhZJ

T2 :: TRIS<CXr SUl1( 1• CT: tTOO)] Z>r z,. TSC Z•lC ), ThS4i'Z222A<Z>) : PROPlU)

x ;) [P:PROPlUU Tl := SATZ278([T:CXlCU:CXJPL(TrU>•X•

(T:tTO<Pl~N•cx.lJJJZJ ISCSUMt PL•N•u,.u,.tT:lTOCPL•N•<X,U) lZh PLUUH[ XrtT :tTOCXJJZhZ))

H == tSPLlZ<SUH(Xr[T:tTOCXJJZ)• TSCZ,PliCXR.OJ>,.z,.TS<Z•lC),p,. SATZ222A<ZH ISCPLCSUHCXr{T:lTOCXllZl•Z1rPLCTS<Z•PliCXR•Oll•TS(Z,.1CJ

) )

T5 == OISTPT2CZrPliCXRrOlr1Cl IS(PL<rS<Z•PllCXRrOl)•TSCZrlC)JrTSCZrPl<PLICXRrO>•lC>JJ n := PL1S12ACXR.0,.1RLr0) IS(PlC~li<XRrOlrlCJrPLI!Pl"R•<XR,.lRlJ,.Pl"R~co,.O>JJ

T1 :: IS~ECX12<PL"R•(XRr1RLl• RLOfNTCPL•N•CXrl)),pt•R•(Q,O),.Q,. SATZR1558{X,.lJ•PLOl·R~CO•O• REfi S< RE:ALrO))) : IS(Pl Il PL .. R"CXR,.lRL hPL"R" (0,.0> J. PL I<RLCFNH PL'"N"CX .. n J

.. on f8 := TRIS<CX.PLCPLI(XR,.OJ,.lCI•

PLICPL"R"CXR•lRL)•Pl~R"CO•O>>• PLICRLOFNTC?L•N•(X,lJJr0)rT6 .. T7) IStPLP liCXR,.OJ..lC),. PlU RL Of' NT< Pl"N"<X,.l) hO))

T9 := ISTS2CPL<PLI(XR•0)~1C),. Pl.H RlOf •;ï CPL•N• {X,.l U• 0 ),. z, T8J : ISCTSCZ.PL(PLICXR,.OJ.lCJJ•TSCZ•PLI<RlOfHT<fl"N"<X•l>J•

Q}})

T10 := TR4ISCCX.SUH(PL"N"(X,l)• (T:lïO<PL•N"CX.l>JlZI• PltSUH<X,.(T:tTOCX)llJ•ZJ• PL(TS<Z,PliCY.R.OJ)rTSCZ•lC))o TSCZ•PLCPLI(XR,QJ,lCJ),. TS(Z,PLI<RLOfNT<Pl"N"(X,1JJrOJJrT3.T4,. T5•T9) PROPl(~t·N•(X•l))

Tll ·- ISP(NATr[T:NATJPROP1CfJ,.Pl~N"(X,ll•<X>

S~C.T10•SATZ4ACX)) PROPH<X>SUCJ - 5.52-

:-8279 S.

SATZZ79 := INOUCTIONCtT:NATlPRDP1".6279"{Tlr rz·.8279"r[U:NAfl[T:PROP1".82l9"CU)J

Page 156: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+828)

-828)

0 ~ [F:(ft1TOt2llCX1

Tl f1 rz f3 H r;

T6

TT

T8

:: LESSIStl•N"(1•2•SATZ18ACI•l)) := LE~rccx,.z,.t.rt,.rJ :: SATZ27S(Q;lrFt := SAE2T7(C,f"l) :: IS!XCUT~(l,l•LESSISI3tl)) := !SJUT~Ii2ol,.SATZ2•AC2loiNN!l;XOUTC1>>•

TRlESS!S~~·ciNN<l•XOUTC1>>•1•2;

1TO?Cl>X'1UH l))•fl>•T4) •- IS~Cliv(2l•CX,frl0Uif2>•

LEfTiTOC2•l•Tl,IGUT(l)),T5) ·: = TP.IS2( ex, S~PR{ 1,. t1 h <10UH2 )>f,.

<XG~T(l)>fl•T3,.Tó> := lSF(CX•CX•[T:CXl<<XOUTt2)>f><T>Qr

SMPRt1rFl)•<lOUT(2J>frT7)

SATZ~83 := TP.IS<CX•SMPR(Zrf),<<XOUTCZ)>f><SKPR(l• Fl,.. 6Z8Q• PO, <<XOUT C Z i>f> «ltiU"t < 2 >>F > o.rz•.szao•.rs•.ezso·>

0 a ASSOC. :: CX:CXHY:CKJ U:CXl:i:SC<Z><<Y><X>Q>Q,. <<Z".<Y>Q><X>\:}

~ ASSOCPl t= tX:CXl(Y:C.XltZ:CX1ASSPL1CX.Y,.ZJ ASSOCTS := tX:CXltY:CXltZ:CXlASSTSl<X•Y•Z>

Q a (A,ASSOCltZ:CX1tU,CXJ(V,CXJ ASS~l :: <V><U><Z>A ASSO~ : = SYKI S<CX.<V><<U><Z>O>O• <<V><U>O><Z>O,.

ASSGl) 0 a (A:ASSOCCO>ltX:MATltY:NATltF:tT:lTOCPL•N•CXrYJllCXJ

y ::1 Tl := lESSISft•N•(X,.Pl•N•cx,.y),SATZ18ACX•Y)) :: lEFTCCX,Pt•N•CXrY),X,Tlrfl r a n

rz PROPt

·- RIGHTCCX•X•Y•fl := ISCSMPRCPL•N•CX;T)rfJ;<SHPRCTrfZ)>

<SMPR<X•Fl )>Q) Y a PROP2 :: Att•L•crT:lTO(Pl•N•cx,y))lCX•

[U:[TtlTO<PL•N•CX;Y))JCXlPROPl(U)J [FO:tT:lTO(Pt•N•(X•l>JlCXl x ~ T2 :: SATZ278(1bX•f0)

T3 n TS Tó

T7

:: SATZ277(QoFZ<l•f0)) :: ISINOUTN{l,l,lESSISI3(1)) := ISPtz•N•(lriNN<l•XOUTCl)),X,T4> :: ISOUTNI(Pl"N~cx,.l>•Pl'"N•<X,l),.

LESSISil(Pt"N"<X•ll>• Pt•n•cX,INN(lrXOUTtlJJ), SATZ190CinNC1oXGUT<l>>•l•X• 1TOP{l,XOUTt1))J,T5)

:: ISr<lTOCPL•N•<X;lJJ,CX~ro, XO~TCPt•NR(X;l)J,RIGHT1TOCX•l•XOUTCl))

• &.'o/6,~Yn• AJ''-1 •4-I.Y,.f'#~&.IJ' t~'-t.fl'r'-l.'l"li.Uf ,,.,1\I'I"VIII

: LESSIS•N•<lr2l CT :1 T OC 1 ) JC X I SOMP~ <Z•F h«XOUHZJ>F>c SMPR< l•FU>Q) ISCS MP" (t.f Uo <X CUT< U>F 1J IS 'N" U •I N:H t,XOUH 1J)}

ISC<10JTC2J>Fr<XOUT(l)>f1)

: ISCSMP~ Cl.>Flh<UiUT<ZJ>Fl

s

: ISC<<XJUTC2}>f><SMPR(l,.fl)>Q,<<XOUTC2l>F><<10UTC2)>f>Q) s

:

:

: :

:

::.

IS(SHP~<2•f>•<<XOUTC2l>F><<10UTCZJ>F>Q)

•PR!JP' ASSilC<t x: CX )[Y: CXJPUX ,'()) Assocct x:cxuv:curscx .. n>

ISC<Y>< <U><Z>O>O•«Y><U>Q><Z>O>

IS<<<Y• <U>Q><Z>Q,.<V><<U><Z>O>Q)

LESSIS• N•U;PL "N•u"n) n :nat u Je x CT:l TO< Y) lCX

I PR:JP.

'PROP•

IS<SMPl<Pt•N•cX,l>,fOJ•<<XOUTCPL•N•<X•l)J>FO><SMPRCX, F1 C1 ,. f) , ) >0 ) IS<SMPl {hf2(1"f0»•<XOUH l)>f2(1,f0))

: I s•N•u, IN~H 1, X OUT< 1)) > : Is·~·l~t·N•cx,.l)•PL•N•(X•INN(l.oXOUTCl)J)J

: IS .. E.,U TOCPl'"N•(X.ol JhXOUTCPlwN•CX,l)h RIGtiTlf O<X.ol•XOUTCl JU

s

,.T&) ISC<XDJ TtPt•N .. U•l> J>f'O,<IC OUT( l)>f'Z( l•fOH T8 := TP.IS2< CXr <XOUHPL"N'" CX,.li )>fO,.

SMPIH hf2( l;f0}) ;<KOUT( 1 )>F2< hf'Ol.t> T r .. Tl> : IS<<XOJTCPL'"NwCX;l)J>fQ,SHPR<l•F2<1•f~}))

T9 ·- IS~CCXrCX•<SMPR(X,.fl(l,.fO>J>Q,.

- 5.53-

Page 157: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

1'10

x a n1 Y <l YPl

Xf"Y x :on XYPl T12

<XOUTCPL·~·cx,l))>fO•SMPR(lrfZ(lrfO)lr TSl

:: TRIS(C:(rSl4PR<Pt•N•fr~ll•f0>• <<XGUT(PL•N•CXrl)J>FO><SMPRC~rfl(lrfO) }>Qr<S"PRtl•FZ(l•FOJ)><SMPR<X•Fl<l•fO) )>Q, TZ,T?l

:: tu:rr:lTt(PL•N•(X,lllJCXJTlO(U) : = Pt"" tl'• ~ Y • 1 ) :: ?t•N"()(,'{} •- PV'N .. {XrY?l) ·- P!.. .. N"(X?'f,l) := LESSISI2"N~CXYPl,XPYl•ASSPl1wN•(X•Y•1>

}

[P:P~OPZ(Y)J(f:[T:lTO<XPYlJJCXl 113 := ISINOUTNCXYPl,XTP1,LESSISI3<XYPlJ) TH ·- T?.ISCN.\T,~"Yl•XYPl•INNCXYPl•XCUHXYPU

T15

T16

fR T17

T18

Tl9 f'RR J21) TU

TZ3 n T24

TZS TZ6 T27

! .~SS:">LZ .. ~i"( '-<• y, U• T 1l l •- ISO~T~IlXPYl,XPYl.LESSISI3<XPY1J,

INN(XY?l•XOUTCXYPl)), TRLESSIS .. )j•( I!v!H ln'f>l, XCUT<XYP1 )},XYP 1• XPY1,l:C?~XYP1•XOUT(XY?l)),Tl2}•Tl4l

:a ISftlTO{XPYli•CX•RECF(XPYl•FJ• XC~TCX?Yll•LEfTlTOCXPYlrXYPl•TlZ• XOJTCXY?lJ J. Tl5)

:= l.EFHC x, XPT1r XYP 1,. T12rf J := SATl275f(XPYl•XTP1•TlZ•fl

·- FISE<1TO(XYP1J•CX•LEfT(CX,XPYl•XYP1• T1Z•RECf{XPYl•f)J,RECf(XYPl•fR>•Tl7• Xtl":JHXY?U)

·- lESSlS11"N•(XPY,XYPl~SATl18ACXPY,1JJ :: LEfT(CXrXYPl•XPY~Tl9•f'RJ ;: SATl278CXPY.FRJ :: ISFCCX.cx.ru:CXJ<<XOUTCXYP1J>fR><U>Q•

SMPRCXPYrfRRJ,<SKPR(Y,FZ(FRRJJ> <SMPRCX•fl(FRRlJ>O•<FRR>Pl "

:: ASSOlCA.SHPRtX~ftCFRR)J,SMPRCY•f'Z(fRR) J•<XOUTtXYP1l>fR)

:: LESSISI1•N•cy,ypt,SATZ18A(Y,1J) :: LEff(CX•YPl•YrT23~f2(YPl•f)) := SATZZi5(Y,f2iY?t,.f))

:= ISINOUTN!YP1,TPl•lESSISI3<YP1)) :a 1SPLZ'"N•CYf't.INIHYP1•XOUT<YP1 )J..JC,TZ5J :: TRISlC~AToiNNCXYPl•XOUTCXYP!ll•

~l'"N•<XriNN(Y?1,XOUTCYP1)))rXPY1,T14•

ISC<<XJ~TCPt•N•<X•lJ)>FO><SHP~CX•fl(l•fO)J>O• <S~P RU ,rzc t .. FO) )>< SMPRU• f 1( l• FO ))>Ql

: PRQP1(1,f0) PROP2U) NAT

: NAT NAT NAT

: IS8(•(tTO(XPYll•XOUTCXPY1J•LEFT1TO<XPYl•XYPlrT12, XOUH Xf Pl)))

lS(SMP~(XPY1rflr<XOUTCXYPll>LEFTCCX,XPY1•XlP1rT12•

RECF U'" Ylrf)) > : U :1 TOC XYPl) JCX : Is-r•ctT11TOCXYP1)lCX•LEf'TCCX•XPYl•XYPlrT12•

RECfU'" Yl,.f JhRECfUYPI.Fif))

: lS(<XOJTCXYPl)>LEfTCCXrXPtl,XYPl,T12rRECf<)PYlrf)), SI'!PR<Xr Pt..fR))

: LESS IS" N•CXPY~XYPU : CT:1TOCXPY>lCX

ISCSHP~CXYPl,fRJr<<XOUT(XfPlJ>FR><SMPRCXPY.FRR)>Q)

: ISC<<XlUTCXYP1l>FR><SMPRClPY,.fRRl>Or<<XOUT(XYPIJ>FR> <<SMP~Y.f2(fRRJ)><SMPR(X,FlCFRR)J>Q>OJ

: ISC<<XJUT<XYP1J>fR><<SHPR<Y•f2(fRRJJ><~MPRCX•F1CFRRJl> O>O~<<<XOUTCXYPlJ>fR><SHP~(Y,fZtfRRJ)>,><S~PR(X,fl<FRRJ )>Q)

: LESS IS" N"<Y ,.YPU : n : 1T 0( n 1c x

ISCSHPRCYPl•FZ<YPl•Fl)r<cXOUT(YPJJ>fZ<YPl,f)><SMPR<Y• f'{}>Q) I S":<~•(f Pl• I NNCYP 1•XOUT<YP1)))

: ts•N•((PY1rPl"N•<x,INNtYPlrXOUT(YP1))))

T26l : IS"~•(INN(XYPl•XOUTCXYPll)•PL•N•(X,INNCYPl•XOUTtYPl))))

TZS

TZ9

:= ISOUTNI<XPYl~IU~CXYPl,XOUT(XYPl)), TRLESS!S8 N•( INNCXYPlrXO~T(XYPlJl,XYPt, XPY!•lTOPCXYPlrXOUTCXYPl)},TlZ>* PL•N•(X,INN(Y 0 lrXOUT<YPl)))r SATZ190(INNCYPl•XOUT<YPl)},YP1rX• H()PtYPhXOU TUPl)) ), T27) : IS•E•(l TO(X P'l'l hlEFTlTOUPYl•XYPlr 112• XCUHXYP1 )),

R!GH TU EH x, YPlr XOUT tYPl)) >

-5.54-

Page 158: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

LEFTITDCXPY1,XYP1,T12•XDUTCXYP1))• ~IGH!lTO{X,YPl,XOUT~YP1)J,T26) : ISC<XDJT(XYP1)>fR,<XOUT<Y~l)>f2C!Pl.fJ)

HO ==- !SF<CX.~X,<SMP~<Y~f2(fRR))~q, <XCUTt~YP1)>fR,<XOUT<YPl)>f2CYP1,F)•

T29J : IS<<<XJ UHXYPl) >fR><SKPR<Y.•fZCFRR) >>e• «XOt;T( YPU> FZCYPt. f)><SHPR<Y•FZ<F'RRH >0)

rN: u on u N3 ::: HlN<Y,N> : ~AT ~YPl :: lEFTlTO(YPl•Y•T23oN) 1TOC!P1 > TH := !SINSJTN(WDt,~O.TRLESS!S•N•(~O•Y•YPl•

1T:J?(ï.'!hT23)} IS~N•(NO,INN(YP1•NYP1))

nz ·- ISgLz·~·(10•INN(YP1•NYP1>•X•T31) : IS "~·p l "N• ( X;NO) •Pl .. N"C X• iNNC YP1•NYP1))) NXPY := RIGff~li~CX.Y.Il) 1T0()(Pf) ~lX'tPl :: LErrt-ccx~Pl.XPY•T19oNXPY) lTOCXT"l) TH == ISINC~TNCXYPl•INNCXPY,NXPY>•

TRLESSrs·~~tiNNCXPY,~XPYJ,KPY.XYPl,

1TeP{XPY•NXPY)•Tl9)) : IS•N•CtNN<XPY,NXPY>•INN(XrPl•NXYPl)) T34 := !SINO~Tri~X?Y.PL•N•cx.~~),

SA!Zl9e(N~~y,t,1TC?(Y.Nl)) : IS•N•( 2 t•N•<x,NOJ,INN<XPY,NXPYll T35 :: TRIS ('lAT ,pt~ N'"C(, NO> • IN':( XPY,NXPO•

~~~(XY?lrNXYF1),T34rT53) : IS•N•(~t•N•(X,NOJ•lNN(XYP1•NXYP1lJ

T3& :: TRISlC~ATiPL·~·tx.INNCYPl,NYPl>>• ~~~{~~P1r~XY?1J•PL«H'"(XrNOl•T32•T!5) IS·~·p t•N•cx, INN<YP!P 1\iYPl) h INtH XYP lP NXYP 1))

T31 == [SOUTNI<X?Y1iPL•N•(X,INN<YP1.NYP1>>• SAfZl~O(l~~lTPl•NYPll•YPl•l• lTOP(v?l,NYPll)rl~~(XYPl,NXYPl>•

TR~(SSIS•H•(tNNtXYPl,NXYPll,XYPl,XPYl•"

1TOPCXYP1•NXYP1J•i1ZJ,T36) : IS•t•ttTOtXPYl)•RIGHT1TO(X,TPl•NYP1)• LEfT lTl CXPY 1• XYP t. HZ• NXYl' l) l

na := ISFC1TO<XPY1J,cX,f* c: RIGHT1f0(X,YP1PNYP1), lEFT1TCCXPYt.XYPl•TlZ•NXYP!)•f37J : ISt<N>=" Y•<N>fZCFR!U >

f :1 139 := fiSI{lTOCY),CX,FY,FZ<fRRl.tU:tTOCYJl T38( U)) : IS .. [•([ U!lTO(YJ lCX" FY,. fZ(f RRU

J40 :: ISF<tU:lTO(YJJCXrCX,(T:[U:lTO(Y)lCXl SMPR(Y,TJ,fY,f2(fRR)rTJ9) : ISUMP~ n.rn,SMPR(YpfZCfRRU>

T41 := ISFCcx,cx.tT:CXJ<<XOUTCYP1J>f2(YP1•f)> <T>Q~SX?a(Y,f2(fRR)J,S~?RCY,fY),

SYHIS<CX.SHPR(Y,.fYJ,.SHPR(Y,fZCFRR))., T40)) . IS<<<XJ UHYPU>FZCYPlr f)>< SMPR<Y •fZ<FRR) )>,, «XOUH YP 1) .

>fZ<YPl,f)><SMPR(Y,fY)>Q) HU := TRISCCX•<<XOUT(XTPl>>FR><SKPR<Y•

f2CfRRlJ>Q,<<XOUTCYP1J>f2(YPl .. f)> <SMPRCY,fZ(fRRl>>O,<<XOUT(YPll>fZ(YPl• f)><SMPR{Y•fY)>Qpf30,T41J ISC<<XJUTCXYP1)>fR><SMPR(f,f2<fRR))>Q,<<XOUTCYP1J>

fZCYPl• fi><SHPR(Y,fY)>Q) nz := TRISZtCX,<<XOUTCXYP!)>fR><SKPRCY,

fZtFR~)J>O•SHPRC!Pl,FZ!YPl,fJ), C<XOUTCT?l)>FZCYPt.Fl><SHPR(Y,fYJ>Q, T41A,T24J ISC<<XlUTCXYPlJ>FR><SKPRCY•fZCFRRJ)>Q~

SMPIH Y" 1.-FZ<YPl,f)) l T43 ·- ISF(CX,CX•<SMPRCX,Fl<FRRJ)>Q,

<<IOUT!XYP1J>FR><SKPRCYrf2tfRRJJ>Q, SMPR(YP1,f2(YP1,f)J,T42J ISt<<<(OUTCXYPll>FR><SKPRCY•f2CfRR)l>O><SMFR(X,FlCFRRJJ

>Q,<SH"R(YPl,f2(YPl,FJJ><SKPR(X,F1CFRRJl>Q) [lntrocxu 'fO := INlfU,.I!) NAT -5.55-MXPY := lEFTlTO(XPY.X .. Tl,Hl : 1TOUPf J "XYPl := LEFT1TO<XYP1,XPY,Tl9,HXPYJ : 1TDCXY~ IJ TH ·- !SINGaTNCXYPl•INN<~PY~HXPYJ,

TRLESSIS~N"CINN<XPYrMXPYJ,X?Y,XYPl• 1T~?{XP~•MXPYJ,Tl9)) : IS·~~CINN(XPY,MXPYJ,INN(Xrrt.~XYPl)J

Page 159: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•8281

•826Z

TH

H6

:z [SlNCUTNtXPY,~OrTRLESSIS"N"CMOrXrXPYr 1TOP {X • ~ h Tl) l I s•N .. <'f 0• INH( XPY r MXPY>)

;~ TRIS(~~T.~~·IN~t~PY~HXPTlr !NlH XYPloMXYPt h T 45• T44) : IS"!C•('I 0• IHNCXYPbKXY!i' 1)}

:= ISDUTN:<XPYl.~O,TRLESSIS•N•CHOrXrXPYlr lTJPCXrXJrTlCYPl))riN~CXYPlr~XYPl)r TRLESS Is .. n<•( Hl~l( X'!Pb KX'fPl h XY?bXPYlr l TG?( XYP 1r KXYP1h TlZ )., T 4f>) IS•t:•<t TO<XPY1 hlEFTlT OUPYlrXr T1CYPlhMJr

lEFT1TJ(XPYlrXYPlrT12•MXY~1>>

:: IS~(lTD(XPYl)oCXrFr lEfilTJlX•YlrXril<TPlJ,~), LEtT l i::i<XPYl, XYPh T12r HXYP 1) • Hn . : IS (<H>?" 1( Xo YPl>•f' h<M>F l CX• Y rf'RRJ)

F :a Tft9 :: FISitlTG<X>rCX.r1CXrYPlof)of'l(XrYoFRRl

TSO

f51

f52

TSl

rC:H lTCCX>H4lHUH : IS*E•([ IJ:lTO<U JCXofl(X,YPlrfhf'HXrYrFRR.ll := ISF<tU:17~<X>lCXrCXr(T:tU:1TOCXllCXl

SH;>P. 1.:1( • T),. i' H 'r?lrf hf HfRR h T4 9} t IS<S MP:t <Xrf HYP1,.F') ),.S MPR{ Xrf 1< FRR}J) := IS~<cx.cx,.tT:CXl<SMPRCYPl,fZ<YPlrf')}>

<T>QrS!'PP.(lCtf"HFR:\l ),S~:f'R(X,fHYPhF )) , SY!!! SCC Xr Sl'IPR tXrfH ':?1 rf' J h SK?iH X,f HF'RR> h TSO)> IS<<SH" R<YP t .. rzc YPt .. n )><S MPRCX rfl(f'liR))>Q r

<SM~RClP1rf2(YPl,f))><SHPq(X,fl(YP1,.f))>QJ

:• TR4l5[CX•S~PRCXPY1rf)r<XOUTCXYP1J> LEFTCCX,XPYlrXYP1rf12rRECf'CXPYl,f)),. SM?RCXYPlrf?.),<<XCUT<XYPlJ>fR> <SMPRtXP~,FRRl>Q,<<X~UTtXYPl>>FR>

<<S~P~<Y•FZ(FRR>l><S~PRCXrf'l(FRR)J>Q> OrT16oi18rT20rT21> : ISCSMPlCXPY1rfJr<<XOUTCXYP1l>FR><<SMPRCYrf2CFRR))>

:• TR4ISCCXrS~PRCXPY1,f),.<<XOUTCXYP1J>FR> <<SMP~<Yrf2tfRR)J><SKPR{X,fl(f'RRJJ>Q> Q,.<<<XOUTCXYP1J>FR><SMPR<Yrf'2(fRRl)>Q> <SXPR<Xrf'l!fRRl)>Q•<SMPRCT?l•fZCYPlrfJ }><S~?RCX.fl(fRR}}>O# <SKPR<YPlrfZCYPl,f'Jl><SMPRCX•F1CYP1rf')

<SMPRU ,.fl( fRRJ J >Q>QJ ,

)>Cr T5Zr rzz, T43r T51) PROPlU Pl.F) P a T51t

T55 := [U:lT:lTO<XPY1JlCXlT53(U) : PftOPZCTPl> :: ISPCNAT,CT:NATJPRDPZCTJ,YPlr<Y>SUC•

T54rSATZ4UY)} : PROPZC<Y>SUC) y lil T56 :: INOUCTIONC(itNATlPRDPZCT>•Tll,[Z:NATl

Q a a

0 a

A a

x a

c a

CT:PROPZU>H55CZ,TJ,Y) : PROPZ<Y)

SATZZIU

CDMMUT t= tXtCXJCY:CXliSC<Y><X>Oo<X><Y>Q) CO!OIJTPL ;: lXtCXHY:CXlCOMPUX,YJ COMKUTTS .:= [XtCXJ(YtCXlCOHTSCX•Y) [CtC3MMUTl[ZtCXl[U:CXl COMQ t• <U><Z>C tCtCDMMUT(OJJ(X:NATJ[F:tT:1TOCXJlCXJ[G:tT:1TOCXJlCXJ

PROPl := IStSMPR(Xr!TtlTOCXil<<T>G><<T>F>O)• <SMPRCXrGJ><SMPR(X,f)>Q)

PROPZ t= ALL•t•crT:lTOCXJlCX•{U:[T:lfOCX}lCXl All*L"CtT:lTO(X)]CX•[V:[T:lTOCX)lCKl PROPl< IJ, V) H

CF'O:(T :1 TOCI) l CX JCGO H T :t TO< lllCXl Tl := SAT2'277C(f:lTOO>J«T>GI}>«T>F"0>0)

: ISCSHP~CPL•N•(X,.YJrf)•<SMPRCYrRIGHTCCX,x .. Y,f))><SMPRCXr LEfT(C(•PL•N•(X,YJ•XrLESSlSil-N•tX•Pl"~"CXrY), SATZ16A U; Y J hF) )>0 J

t 'PR1JP 9

COH!tUH [X:CXHY:CXJPLC x,n J : tOKMUT( [X:CXHY:CXlTSCX,n)

: ISC<U><Z>Or<Z><U>Q)

'PROP'

: 'PROP'

: IS<SMP~t1.[T:1TQ(!Jl~<T>G~><<T>fO>QJr<<XUUT{l)>GO>

s

s

- 5.56...:

Page 160: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T2 := IS!"'< C .t:rC Xr <S K?P< 1 ~ro l>Q,. SHP~( t,.GO) • <XD~T(l}>GDrSATZ277CCQ))

f3 := I SF"< CXrCX. rT :c:o «lCOUH 1 )>GO><T>Q,. SMPq(1r~~Jr<JOUT<1J>FOrSATZ277Cf0))

fit := TRIS<CXr <SKPR< l•GO )><SHP!Ht.>FO J.>O• «I:OUH 1 Hot;O ><SW"i::t 1 rf"O J > Q, <<XOUT (1 )> GO><<XCUTtl)>Fv>~•T2rT3l

T5 :: TRiS2tCX·S~?RC1•(T:1TO(lll<<T>GO><<T> FO>Q),<SKP~t!.äO}><S~PR<l,FOJ>Or

<<XDUT<lJ>GO><<X:UT<1J>FO>QrTt .. T4) c a T5 -- CU:[T:tTO<t>lCXltV;[t:tTQ(l>JCXJTS(U,.

VJ X a XP1 :: Pl•N~CX,.l)

[P:PROP2(lJJ[F:[T:1TOCIPIJ!CXi[5~tT:lTC(XPlJlCXl

C a [U:CXJ[V:CXl[~:CXl[Z:CXl

G a

T7 :: ASSQ2(Ar<\"><U>Q,.W,.ZJ TB :~ CC~Q(Cr<V><~>Q•W>

T9 := ASSQZCA,.ii•:i··n T10 :: TP.IS<CX,.<W><<V><U>Q>Or<<V><U>O><W>Q,.

TU

UZ rn T14

T15

TU srx slix K SHX f17 ns

T19

TZO

ru

TZZ

TZ3

T2~

T25

<V><<U><~>Q>~•T8rT9> := ISF<tx .. cx.rr:cxJ<Z><T>Or<W><<V><U>Q>Or

<V><<U><~>Q>Q•TlOJ :: ASSQl{Ar<U><M>Q,v,.z> -- COHQ(C,.W,.U> :: ISFtCX•CXr(T:CXJ<<Z><V>O><T>Or<U><W>O•

<W:.<IJ>Q,Tl!) := TR4ISfCXr<<Z><W>Q><<Y><U>O>O•<Z><<K>

<<V><U>Q>Q>Qr<Z><<<><<U><W>O>O>Q,.<<Z> <V>Q><<U><Ä>Q>Or<<Z><ï>Q><<ft><U>O>Q, T?,.T1t.T12 .. Tl4l

:: LESSISil"N•CX•XPlrSATZ16A(Xr1JJ := SMPRtXrlEFTCtX.XP1.XrT16rf)) :: SKPRCXrlEFT<CXrXPlrXrTl6•G)) :: CT:lTCCXPlJ]<<T>G><<T>F>O t=,SHPR<XrlEFT<tX.XP1rXrT16•H)) ·- SATZ278tx.HJ :: <lEFT{CXrXP1,.XrT16•G>><LEFTCCX,.XP1•X•

T16rF>>P := Isrccx.cx.cr:cxl<<<XOUT<XPtJ>G>

<<XOUT<XPl>>F>O><T>QrSHX•<SGX><SFX>Q,. Tl8)

:: Tl5(SFXrSGXr<XOUTCXP1l>Fr<XOUTCXP1J>GJ

:: SYKI S< Cl(, SM?RUP l..F' J • « XOUH XP 1 > >F> <SFX>OrSATZ27S<X.F)J

:z ISfCCX,CXrtT:CXl<<<XOUT(XPl)>G><SGX>O> <T>Q•<<XOUT<XPlJ>F><SFX>O•SMPR<XPl•t>• TZU

:: SYMIS<t~•SMPRCXPl,G>•<<XOUTCXPlJ>G> <SGX>Q,.SAiZ278CX.~))

·- ISF<CXrCX•<S~PRCXPl•Fl>Qr<<XOUT<XP1J> G><SGX>Q,.SKPRCXP1.GJ,T23J

:= TR3IS!CX•SMPRCXP1•Hl•<<<XOUTCXP1J>G> <<XOUT!XPlJ>F>Q><SH~>Qr<<<XilUT(XPl,>G> <<XOUT(~Pll>F>Q~<<SGX><SFX>Q>O~

<<XütJH lJ>FO>QJ

: ISt<SH»R(1,GO>><SMPR(lrfOJ>Q,<<XOUTC1)>GO><SMPR(l,F0)> Q)

ISC<<XlUTC1J>GO><SMPRC1,.Fli>Q,.<<XOUT(1)>GO><<XOUT<lJ> . FO>O)

: IS(<S~~R{lrGOJ><SMPRCl•FOJ>Q,<<XOUTClJ>GO><<XOUT(l)>FO> Q,

: PRO?lU,rO,GO)

PROPZU J NAT

: !SC< <Z> <lf>Q>.<<Y><U> O>O,.<Z> <<W><<V><U>Q> Q>O l ISt<W><<V><U>Q>Q•<<V><U>O><W>Q) 1 SC <<V> <U>Q ><K>Q, <V>« U><ll >Q>Q}

ISC<W>< <V><U>O>Qr<V>«U><ll >Q>OJ

.: IS ( < Z>< <H>< <V><U >Q>O>Q ,<Z> <<V><<ti><W>Q>Q>Q J IS<<Z><<V><<U><W>Q>Q>O•<<Z><V>O><<U><W>O>OJ

: ISC<U><II>Q,.<II><U>OJ

: IS<<<Z><V>O><<U><W>Q>Q,c<Z><V>Q><<W><U>Q>QJ

: IS(<<Z> <W>Q ><<V><U>O>O•<<Z ><V>O><<II> <U> Q> Q J : L.ESSts• N•(X,XP1J : ex

ex : CT:1TO[XP1JJCX

ex IS<SMP~<XPl,.HJ,.<<<XOUT(XPl>>G><<XDUTCXPlJ>f>Q><SHX>Q)

: ISCSHX• <SGX><SFX>Q)

I SC <<<X OUTC XP1 > >G>< <XOUT U Pl J>f>O><SHX>Q,. < «XOUT <XP U> G><<XOJTCXP1)>f>Q><<SGX><SFX>Q>Q} IS<<<<( OUT< XPU >G>< <XOUH ~ Pl>>f>Q><<SGX><SFX>O>Q, «<XOUf <XPl )>G><SGX>Q><«XOUHXPlJ>f><SfX>C:>OJ

I S(<<lCl UT <XP1 l>F ><SFX>IbSM PRUPl •f))

IS(<< <X CUH XPl l >G><SGX >0>< «XllUTCXP 1 )>F><SFX>Q:~>Q,. <<<XOUF (XPll>G><SGX>~><SHPR(XPl,fJ>Q)

ISC<<XlUTtXP1)>G><SGX>Q,SMPRCXP1,.GJ)

ISC<<<(OUTCXPll>G><SGX>Q><SMPRCXPl•f)>Q,.<S~PR(XPl•G)> <SKPRU Pl,.F )>0)

- 5.57-

Page 161: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•8282

HS283

f26

<<<XOUTCXPlJ>û><SGX>Q><<<XOUT<XPlJ>F> <SFX>O>~~Tl7#r19•iZ0)

:: TR3IS<CX•SHPRCXP1•HJ•<<<XCUT(XP1J>G> <SGX>Q><<<XCUT(XPl)>F><SfX>Q>O~ <<<X3UT(XP1l>G><SGX>O><SMPR(XPl•fl>O• <SHPRCXP1.G)><SM?RCXPl.f)>Q,TZ5;t22•

I S<SMPl UPl,Hl • <«XOUHXPl )>G><SGX>Q>«<XOHCXPU >F'> <SF'X>O> CU

T2fd : PROPl<XPl•F'•G> P tt T27 :: (U:[T;lTO<XP1lJCXlCV:tT:1T~(XP1)JCXl

T2ó(U,n PROPZC(.Pl) TZ3 := ISP(NAJ•[T:~AilPROPZC!),XPl•<X>SUC•

T27•SATZ4ACX)) - PROP2C<X>SUC) x a f29 :: I~OUCTIONC[T:NATJP~OP2Cf),f6,[Y:NATl

tT:PROPZtY>lTZSCY•T>•X> : PROP2(()

SATZZSZ := <G><f>TZ9•.azaz•

X ; [S:(T:lTOCX)JlTOCXllCe:BIJECTIVEClTO<XhlTOCX>•S) lCF:[T:lTO(X)JCXl

s a

x a

[t; tr:UOCX) JCXJ G PROPl PRDPZ

:: tT:lTOCXll<<T>S>F' := IS(SMPRCX.G),S~PR<X•fl) :: ALL•L•CtT:lTOCX>llTOCXJ,(U:tT:tTO<XJl

lTDCXllALL•t•C[T:ITOCXJlCX• tV:tT:lTOCXlJCXliMPCSI~ECTIVEC1TO(X)• 1T O< :C h U h PR OP H U, V ) ) > )

Ca [S:CT:1TOC1Jl1TOC1)l[f:tf:1TC\1)lCXJ Tl := TP.IS2ClT3<l>•<XOUTCll>S•XOUTC1>~1D"N••

THl•N.SINGlET•(<XOUTCll>S>• THl-N.SINGlEt•cxOUT(l))}

·- SATZ277CGC1•S•fl)

ISCSHP~(X,(T:lTO(X)J<<T>G><<T>F>Q),cS"FR(XrG)><SHPR<X• rJ>Q)

: [f:1TQ[ X)]CX : 'PRiJP•

'PROPt

T2 T3 T4

: IS•E•<tTOC1l•<XOUTC1J>S•X~UT<1JJ IS<SKP~ u .. GH•S• f)) •<XOUT( U>G.U.oS•F)) ISC<XOJTCIJ>C<l•S•f>•<XOUfCll>fl :: ISF<ITO<l>•CX,f,<XOUTC1)>S,XOUTC1l•l1) :

·- SYHISCCX•SMPR<l•f),<XûUTClJ>f•

f5 SATZ2TT<F') l

:: TRJIS(CX•S"PR{l•G<l•S•f>J•<XOUT(l)> G(1•S•f),<XOUT(ll>f,SHPR(1,f),T2.T3• Tft)

:= [U:[T:lTO(l)llT3(1ll[Y:[T:lTOCl)JCXl tw:aiJECTIVEC1TOC1J,ITO<IJ,UJJT5(U•Vl

X a XP1 :: PL .. N"'(X,l) T7 ·- lESSISI1 .. N"<X.XP1,SATZ18A(X,l)) [PtPROPZU: lHS :( T: HO< XPl) l1 TCOC Pl} Hf:{ T: lTO( XPl l l CX HB:BI~ECT IVEU TOUPl>• HOC XPl h Sll TS :: ANDEl(INJECTIVEClTOCXPll•lTOCXPlt•S),

SURJECTIVEClTOCXPl),lTOCXPlJ,S>•B) . (CASE1:tswE•CtTO<XPllr<XOUT<KP1l>SrXOUf(XPl})](U:tTO(X)l Ul ·- LEFT1TO<XP1•X•f7,U) N1 := INNCXPl,<Ul>S) CI:ts•,•(Nl•XPlj] T9

TlO

:= TRJISC1TO<XP11r<UI>S• OUHHXP!.Nlrl TOP<XPl,<'Jl>SH.XOUHXP U r<XCUTCXPlJ>SriSQUïiNNCXPl•<Ul>Sl• iSOUTNICIPlrNl.lTOP(XPlr<Ul>S>•XPlr LESSISil!XPl>•I)rSYKIS(lfû{XPlJ• <XOUT<XP1J>S,XOUTCIP1)•CASE1J)

·- ISFE~1TOCX?ll•lTO(XPll•S•T8rUJr XC'.iHXPlh ï91

PROP 1<1 ,s,f)

PROP2C1 ) : NAT

LESS ts• N•<X • XPU

r JNJECTIVE<lTO<XP!),ITD<KPl)•S)

1TOUP1 > NAT

s

s

- 5.58-

Page 162: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

Tll

ru

T13

:: ISOUTNE<XPlriNNCXoU!, TRlESSIS•n•c!NNCXrU).X,XPltlTOPCX,U), T7JPX?l•lESSISt3(XP1)pfl0) : IS·~·<INNCX,UJrXPll

:a S~TZliA(INNCXrUt,X.XP1.1TOPCX,U), SATZ tU<x •U 1

·- <Tll~EClE31CIS•N"CIN~CX.UJ,Xpl)~ MaR~·~·CtNN{X.U),XP!:.LESS·~·CINNtX,U> •XPl}rS~;ztOS(!NN(XoU).~Pl>•T12) tOK

u :1 T14 :: CR~lCLESS·~-(~l·ZPl),!S*"•(~l,KPl)• liJP<XPl•<Ul>S)rtT:IS"Q·{~l•XPlll

CASE:l :1 u :1

u a

u ;

Tl.HTn T15 :: SATZ25()(,NlrT14> W1 :: OUTNCI.Nl,T15) S:)l := CT:tTOCX)J:ilCT) (V:lfO(X)l[I:Is•E•ClTO(X)r~l(U)oWl(V))J

lESs·~· ('<1• XPl J LE SS IS .. N" C'll, X>

: HO( X> CT:l TOt Xl l1 TO<X J

Tl& := IS1JUT~E('J(, ~lC.Ih TlS<UhNHVh TiSCYlo. I) : rt7 :: <iSIN:E<XP1•<til(U)>S•<t:HV>>SrT1&>>

rt8 U2 NZ [I:ts•N•(NZ•XPl>l T19

rzo

TU

TZZ

TZ3

TZ4

TZ5 wz TZ& T27

TZ8

T29

TJO

UI

·- THLEFTl(Y.P~•X,f7;U,V;T17}

·- <Ul>INVF<lTO<XPl);lTO(X?lJrS•Bl := INNCXP1,tJ2)

:= TRIS<lTO<X?l),UZrOUTNCXP1.M2; 1TOP<XPl,UZ>>•XOUT<XPl>• ISGUTIRN[XPI,UZl,ISOUTqi(XP1,~2,

1TDPCXPl•U2lrXPl•LESS1SI3{XP1),It> ·- TR3IS!1TO\X?l);Ul•<U2>S,<XOUT(~P1)>S,

XOJT<XPl>,THINVtZ(lfG(XP!J,lTOCXPll•S• a.Ull,ISFC1TO<XP1J,1TOlXP1JrS•U2• IOUT(XPll•Tl9J,CASElJ

:: ISOUTNE!X?l•INNCX•U), T?.LESSIS•NP( I~N{X,U>,X,XPl,lTGP(X,.U>, T7>•X?l•LESSISI3<XPl>,T20)

:: SATZ16A(iNN(X,UlrXtX?1,1TOPCX,U)! SAiZl!iAO: .. l) l

:: <T2l>EC3Ell<Is•N•<INN(X,Ul,XPl)r MORE•N•CINN{Y.,UJ,XPllrLESS"N•(JNN(X,UJ .XPl)•SATZlOB<tNN(X,U),XP1lrT22)

·- OREltlESS•N•CN2rXP1J,IS·~·(N2rXPl>• lTCPCXPl•U2),{f:IS•N•(N2•XP1)lT23(T))

:: SATZ2&CI,N2rT24J :: OUTN(XoN2,T25J :: ISINOUTNCXrM2,T25) :: TRISC1TJCXP1>,uz,oUTNCXP1rN2r

lTCP(XPlrU2>>•UlCW2lriSOUTIN~(XPlrU2)• ISOUTKitXP1rN2,1TOP<XP1•U2lriNNCXrW2),. TRLESStS•N•<INN<X•W2)•X•XPI•lTOP(X•W2> rT7hT2óJ)

·- TRISC1TOCXPll•Ul•<U2>S•<GltW2J>S• ~ THINïf2(1TO(X?1),1TO<XPll•S•8•UlJr

lSF<tTOC~PI>•1TO<XPllrSrU2•UlCH2),TZT) )

:: TRIS<UAT,1N~(X,Ul•INNCXP1•U1>•N1<WZl• !SINOUTNCXPl,tNN<X•U>, TRLESSISw~•( IS~(X,U)oX•XPlolTCP<X•U>• T7>)~ISINN!CXP1.Ul,<Ul!w2l>SrT28JJ

·- TR!SClTO(XJ•U•OUTN(X,IN~<X•UJ, 1TCP{X,UJ),WlCWZl·ISOUf!NH(XrU), ISOUTNilXriNNlXrUJ•lTOP<X•U>•Nl(W2l• Tl5( 112 h TZ9) l

:: SO~E1CtT~tXJ,~i:lTOCilJiS•E•<lTOlXl•U• 1r;.cr u,iöz, no,

:;:s .. E•ct ïO<XPUrUHU ),\J HVJ) iS~E•<lTOtX),U,VJ

HOC XP1) NAT

: Iswr•n TO<XP1hU2•XOUHXPl )) .

CON

LESS'"N• (N2rXP1J lEssrs• N .. tNz,u lT!J(X} IS •H•(~ Z• IN N<X•II Zl)

IS•E•U TOCXPlhUh<UlCifZJ,.S)

rs·~ •n NNCX ,u,, N1U2n - 5.59-

Page 163: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

CASE! a

u ;

CASE! ;

T32 ::: ANJlflKJ~CTIVE(lTC{X),lTQ(X),SOlJ• SU~JEC~iVEC!iû(X)•lTGCX),S0!), [T:lT~(KJ][~:lTO(X)J~V:Is•E•ClTOtXJ• <f>SOl.<U>SOlllTlS{T,U.V),[TtlTOtXJl TJl(T)}

r01 := LEFT<CX.XPt,X.T7,f) TH == <TlZ><FOl><SOl>P Gl := LEFTCCX,XPl,~ri7,GCXPl•S,f)) ~2 ;·: GO:, SC!.FOU Tl lA ::: IS0~TI~~txr1r<Ul>SJ T34 := IS:~OUT~<X,Nl,Tl5> B5 == lS~UTNiCXPl•~l•lTOP<XPl,<Ul>SJ•

UI:H X• !41) • TR LESSIS •t\"( I NN ()(, W 1 h x .. XPl• 1TC?{X,~l>,T7!.T3~)

T36 == TP.!S<lTOtXPl>•<Ul>S• OUTN(X?l.Nl.lTO?<~?l,<Ul>S))•

lE>T1TC:XPl•X•ii•nlJri33A•Tl5) T37 ::: ISF(lTG(~Pl>rCX .. r,cUl>S,

LEfT1T~(XPl•X•T7,Wl>•T3&) f38 ::: FISI(lTCtXlrCX•Gl•G2•CT:1TOCX)JT37(Tll T39 :: ISFC~i:lTC(X>l~X.CX.tv:tT:lTDtXJlCXJ

SMPRCX,VlrGlrG2rT38) TltO := TRISCCXrSK?R(X,.Gll>SM?RCXrGZl•

SMPR(XrFO!J.T39rT3lJ TH := lSF(lT~(XPl)rCXrFo<XOUTCXPlJ>S•

XOUT(XPl>rCASEll T42 := SATZ278(X ... G( XPhSrF) J

Ul == ISFCCX,CX•<SHPR(X.Gll>O.<XOUT(XPlJ> GCXP1rS•F>•<XOUTCXPl)>FrT41J

Til4 := ISFCCX•CX•CT:CXl<<XOUTCXPl)>f><T>O• SMPROC .. G 1 hSKPiH XrFOl). T40)

T45 ::: SY~IS<CX.SMPRCXPl•Flr<<XOUT<XP1J>f>

BIJECfi VEU TO<X) •lTO(X hSl 1) tT:lTOC KJJCX PROPHiOb•fOU rT:lTI}[XllCX n :nor x nc x

: :s~~·ct TC(XP1Jr<U1>Sr0UTNCXP1•Nlr1TOPCXP1r<Ul>Sl>> Is-~"<~lriNNCX,Wll)

: Is•E•CtTOCXPllrOUTNCXPlrNlrlTOPCXPlr<Ut>Sll• LEH1Tl CXPl•XrT 7•H1))

: ISC<U>:ilr<U>GZJ : IS .. E•([ T:1TOCX»lCXrGhG2>

: ISCSltPt (X,Gl hSMPR(X,f01))

: ISC<XDJTCXPIJ>GCXPl,Srf),<XOUTCXPll>f) : IS<SMP,CXP1PG(XP1*S•f)),<<XOUT(XP1J>G{XP1rSrfl><SMPRtX,

GU>O)

: ISC<<XlUTtXP1>>GtXPl•S•f>><SMPRCXrG1J>O•<<XOUTCXP1J>F> <SMPR(( .GU>iH

ISC<<X1UT<XP1J>f><SMPRCX,j1J>O•<<XOUTCXP1>>f><SltPR(X• fOlJ>O)

<SHPR(X,r01J>O,SATZ278CX,f)) : ISC<<XJUTCXPl)>f><S~PR<XrrOlJ>Q,SKPRCXFl•fJ) T46 ::: TR4ISCCX,S~P~CX?l,G<XPl•S•f)),

<<XDUi!XP1J>GCXP1,Srf)><SMPR<X,G1)>Q, <<XOUT(XPl)>f><SMPRCX•Gl)>Q• <<XOUT<XP1l>F><SKPR(X,.f01J>Q, SMPRCXPl,f),f42,T43rT~4,T45) : PROPlC~PlrS,f)

B a lP X := Pl'"N .. ( lr XJ : NAT (CASEZ:ts•E .. (1TDCXP1J,<lOUTCXPll>S•lOUTCXP1J)l[U:tTOtXJl J3 := RICHT1TQ(l,X.U) HO< lP( J

CASEZ a T4T :: LESSISIZ~N"<lPXrXPl•COMPL~N"<lrXJJ LESSIS•N•ttPX.XPlJ 532 ::: lEFT(1TO(XP1),XPl•lPXrT47•Sl (T:1TOt1PXJJ1TO(XP1J

U a N3 :: INN( X?h<U3>5;)2) NAT U: IS"H•(NJ, U l Tttt8 := TR3IS< 1TO<XP1J,<U3>S02,

OUTN(XP1•N3•1TC?CXP1,<U3>S02)), 1DUT(XP1J•<10üi{XP1l>S• lSOUTINN<XPl•<U3>SOZ>; lSOUT,I<XPl .. ~l#lTO?<X?t,<Ul>SOZJ,lr SATl24ACXP1>•Il~sr~ISt1TO<XP1), <lOUT{XPl)>SrlnUTtXPl),CASEZJJ : IS-t•CtTOtXPlJ,<U3>SOZ,<llUT(XP1)>SJ

T49 := IStE(lTO<XPl)•lTC!XPll•S•T8• LEFT1TO<XPlr1PXrT47,U31r10UT<XPl),T48J : ts•E"CtTO(XPt),LEfTITOCXPl•lPX•T47•U3),1CUT<XPl)l

TSO :: ISOUTNECXPlriNNC1PX•Ul)• TRLESSIS•N•(INN(1PX•Ull•1PX,XP1• lTOPC lPX,l,! 3h T47 J ,.1, SJ\ TZZH C X?l l..T49) :: I s•tt•U HNUPX,U 3l .-1)

TSl

- 5.60-

Page 164: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

u ;

CASE2 il u il

CASEZ a

u a

T52

T5l

T54

NMl T5H

f55

~~~L~7~'\li'1'~~U~~A#~,,JUr'~~U#~# • 4~ ~ ,-~ n 'A·~~~'~rUI#P,YR\4i·ArU~II

:: ISMCREl•,•(PL·~·tlol~N(X~~)), IN';( 1PX.!J3l• 1.' T5! • :;' TZ l 'H l• I NN<XrU))} IHiRE .. N• <INN UPX,Ul) •V

:: <T50>E:3E21<IS•N•ci~Nt1PXrU3J,lJ­MO~i .. N"( ~~··;cn·x .. u.n.l.h LE~~·~·(INNClPXrUllrl)r SATZlOE't I~l~l( lf'X,tJ!b 1 J.T52) CON

:: D~ElC~C~E·N·(~3.1J.;s•N•tN3•l),-SA!Z2:4~·a>.CT:rs·~; .. {:;::;,l1~T53<TlJ MORE"N•(tl:htJ

·•- M~~~~c~z.t.TS~J ~~T

·- ISL!$S1Sl~~~(~J~?L~NHf~MlrlJrXPi, TH1C~~.~N·\~3tlrT54l•1TO?CXPl•<ül>SOZ> ) tESSIS•N•cPL"'N"<NHl .. U,.XPl)

:: TH9"l.OR"<lESS·~·t?L"N"CNK1•1>•XP1lr IS•N•!?L•~·t~Mlol)oXPl)oLESS·~·CNMlrX)

CT:LESS•N•(PL•N•(NMlrl)oXPlJJ SATZZOCt~~l~X•l•T>• ~T:IS•N•[pt•~·tNM1~1>rXP1Jl

SATZ!DBC~Hl•X•l•TJJ 113 := OUTtHX,lt~l.T55J

I..ESS I s•N•(N Hl •X) 1TÜ{ X)

Sl3 :: (T:1TO(Xi)W3{f) : [T:l TO[ X} l1 TOCX l {Y:lrC{X)J(I:Is•E•CtTOCK),WJ(U),W3(VJJl T56 :: ISOUiNEtX .. NMH U),T55U:>..NM1<VlrT55(V ),.

I) T57 :: TR3I 5( NAT • N3 CJ >. PL '"N"{ NMH:J hl h

PL"N•(MHlCV),lJrNJCVJ,THlC•N.MN"(Nl(UY rlrT54CU)J,ISPL1•N•tNH1(U),NH1CVJ .. l, T5&J,fH1G•N.~N•(N3CV),1rT54(V)J)

158 t= ISINN:. O:?h<U.HU J>SOZ, <UJ(V J>SOZ.,T57) : IS• .. •n 3(UJ•N3(V}J

IS•E•ClTO<XP1J,.<Ul(U)>S02o<UitYJ>S02) T59 ·- ISFEClTûCXPl>•lTOCXPl},S,Ta,

T60 fSl 504

U4

t" n:ts•N•cN4 .. 1Jl T62

T63

T&4

'!';)5

T66

:= ;: ::

::

--·-

LEFTlTOCX 0 lolPX,T~7,U3(U}),.

lEfî1TC<XPlr1PX,T47•U3<V>l,T58J

THlEFT1CXP1 .. lPX,T47rU3<U)oU3CVJ,T59J THP.IGHT1(1•Xru,v,T&O> lEfTClïU{XPl>.XPlrlPXrT4!• INVf(lTC(XPllrlTO(XPll~S•81) <U3>S04 INN<X?!oU4)

TRISClTQ{XP11rU4,QUTNCXPl•N4r 1TOPCXPl,U4)),.10Uf(XP1l• ISOUTIN~tXP1rU4lriSOUTNI<XPlrN4r

: ts•E•(l TO<XPll•LEFT1TOtXP1 .. 1PX•T47rU3(Ul1• lEFTlTJ<XP1,1PXrT47,U3(V))) IS-t•n TOUPX>rUl<UlrU3CY))

: Is•r .. u rou >.u.v >

: tT:lTOC 1PXlllTOCXP1J nco:Pt,

: NAT

lTQP(XP1rU4Jrl,SATZ2~A(X?llrll) : IS•[•(t TO<XP1),U4r10UT<XP1J)

== TR3!S<1iG<XP1;•LEfTlTOCXfl•lPX,T47rU3> r<U4>Sr<10UT(XP1)>5,10UTCKP1), TH!NVf2(1JD<XPIJrlTDCXPl)oSrSr LEFT 1T OUPlr li'X, T4 7 .. U3 J J . .XSf U TO CXPl >.. 1TO(XPli•S•U4.10UT<XPlJoT62)rCASE2l . : IS•E"ClTOCXP1lrlEFT1TOCXPlr1PX,T47•UlJ~lQUl(XP1)J

== ISOIJT .. t:C~Plr !NP.j( 1PX .. U3h TRLESStS•N .. ( UH!< l?X• U:SJ •lP X• XPl• lT!lPC 1PX,U )), r;.n,l, St.T Z24A<XP1 ),T63) : IS"~"CI N~U PX,.IJ3},1)

:= TRIS(XAi~?L·~·cl,INNCX.U)l,INNilPX,UJ) •l•ISI~DUTN(lPX•PL~n~cloiN~<X•UJ>• SATZ190tiNN(X,Ul,X.loli~?CX.U))J,.TG~> : Is·~·t't•N"(l,.INNCX,U)),ll

:: <T65>E~JE2l<IS•N•(pL•N•t!ol~N(X,U>>•l> ,MDRE•U"lPL•N•(t,INN(XoU)JolJ, lESS•N•CPL"N"<l•INNCXor)l•l)o SATZlOBCPL•N•ct,INNCXoU}},!J,. SATZ18(1•INN(X,U))) CON

U; H7 := ORE1C~OR~~n•tN471l,IS·~·cU4,ll~

-5.61-

Page 165: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

. '1~.2 ·-T58 ·-T;9 . -

lf4 ·-T70 . -!Tl ·-

T72 ·-

T73 :=

T74 . -

T75 ·-T76 ·-

T7T ·-CASE2 a T78 ==

roz := F03 ·-T79 ·-G3 ::: Gft ·-G5 ·-

0 41 T80 . -

SATZZ4CN4)o[T:IS"N"CN4olJJTGGCT)) ~N"N"CN4olrTG7l ISLESSISl"N"(X4,PL"N"CN~2.lloXPlo THtC•N.HN•(N4rloT67lolTO?(XPloU4)) TH9"L.OR"<LESS"~"<Fl"N"CNHZ•l>•X?ll• IS"N"(PL"N"{NMZolloXPllolESS"N•<NH2,XJ , IS .. ~l"OIMZ•X >• T68o CT:LESS .. N"CFL "N" CNM2,JJ,XPllJSAft2DC<NMZ.XoloTJ, [T:rs-~·tPl"~"[~~Z•ll•XFlll

SATZ209{N~2.X•l•T>J CUil;{ )(,N1>2• T69) iSINO~ïNCX•NM2oT69l TR3IStNAT.N4oPL"~·<loNM2)r

PL"N":loiN~CX.W4Jl,INNClPXoU3<W4J),.

THlA"N.HN•(N~rloTó7),

ISPL2~N·{~H2r!NG(Xo~4loloT701o

ISI~OUT~(lPXoPL"N"(l,IN~CXrW4)),

SATZ19C<!~N(X.~4loX,lrlTOPCX.~4))))

TRIS<lTO<XPlloU4,QUTNCXPl,N4r lTOPCXPloU4)l,LEFT1TOCXPlr!PÄoT47, UlCW4)J,ISOUTINNCXPlrU4}o ISOUTNI{X?lrN4,1TOPCXPloU4)~ INN(1PXrU3(W4})oTRLESSI5eN"CI~NC1PX~

U30i 4 J l, lP Xr XPlo HOP C lP l(, U3C 114}), T 47 >. T71)) TRIS<lTOCXP1JrlEfT1TOCXPlrlPXoT47•U3}, <U4>Sr<U3CW4J>S02rTHINVF2ClTOCXPllo lTOtXPl>•S•B,LEfTlTOCXPlrlPXrT47rU3J), ISFC1TUCXP1J,1TOCXPl),S,U4, LEFT1TGCXPlr!PXoT4ToU3CW4)),T72)) TRH St NAT • Pt-w•c l• I ~!I( X• U J >• INNC1PXrU3loiK~CXPl• ~EFT1TO<XPlrlPX,T47rU3JJ,N3<W4J,

ISINOUTNClPXoPL"~·<t•INNCXoUl>• SATZ190CI~N(X,U>oXrlrlTOPCXoUJ)J,

ISINOUTNtXPlriNNClPXrUJJ,. TRLESSIS•N"CINNC!PX,U3)r1PXrXPlr 1TOPCl?X,U3JoT47)), ISINNICXPl•LEfT1TOCXPl,lPXoT47oU3J, <U3C lflo}>S02• Tï 3> J TH1E~N.HN•CN3CW4),1,INNCX,UJ,T54CW4},

T74 J TRISClTOCXJ,UrOUTNCXriNN<X•U>• 1TOP(XoUlloW3{W4)r!SOUTINNCXoU), ISOUTNICXriNN{X,J>rlTOPCXrUloNMl(W4lo T55C 11.4 >• TTSl > SOMEI<lTQCXl•[T:lTO<X>JIS"E"<lTO<Xl,Ur W 3 {T ) >, W 4, T7 ó J ANOICINJECTIVEClTO<XJ,lTOCX>·S03), SURJECTIVEClTOCXJ,lTO(X),S03), tT:1TO<XJJ[U:1TD<X>J[V:IS•E•<lTO(X)o <T>S03o<U>S03>JT61(T,u,v>,[T:1TO(X)J T77( T))

LEfTCCXoXPlo1PXrT47oF} RIGHT<CXrl•XrfOZ> <T73><f03><S03>P LEFT(CXrXPlr1PXoT47rG(XPl•S,f)) RIGHTCCXrl~XrGJ)

GCX,S03of03) TR3lSCNAToN3rPl"N"CloNHl)o PL"N"(lriNN<XrX])), IN~ClPXrRIGHT1fC(1,XoH3)),

HORE•N• 044, 1) NAT

lESSIS .. N,.CNH2oXJ lT oe x> ts•N .. C'i H2olNNCXoW4))

BIJECTIVE{lTO(X)olTOCXlrS)3) CT : 1T 0( lPO JCX [T :1 TGC Xl !CX PROP 1C5 0 3rf03) tT H TûC lPX> JCX n:troc xncx (T:lTO. X>lCX

-5.62-

Page 166: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

TH!A•N.M~•[NJrlrTS•>• I5PL2·~·(NMl•!KN(XrHJ)rlr

ISINOUTN<XrN~!.T55l>• ISIN.CU TN{ lPX .. Pt• N•t; 1• I NIH X• W3 )h SATZ190(INN(XrW3lrXrlrlTOPIK.W3)))} IS•N,.OJ3. INN<lPX•RIGHT lJO( l•X• w:H))

T81 :: TRIS(lTntXPl>•<V3>S02r O~TN(IP1.Nl.1TOP(XPlr<U3>S02)),

LEFT1TrlXP1 .. 1PXoT47•RtGHT1TCC1•X•~3)), !SGU7~~~CXPl.<U3>502lo

!SDU~~I(XPl•~l·llDPCXPl•<U3>S02)• l~>;'~{lPX,.;UGHTlïQ(!,l::,j.j3)),

TRLESSIS•N•( !NN<lPXoRIGHT1TO<l•X•W3))r lPX, XP1.1 TOP(l?X,.RlGHTlTO(l, X,il] ))• T'47hTa0}) : IS•[•(t TO<Xpllr<U3>S02rlE~TlTOCXP1•lPX•T47•

RIGHT1f0(1,X.W3J)) f82 ·- ISf(1TO<XPllrCX•Fr<U3>S02r

lEFTlTCCXPl•lPX•T47•RIGHTlTO<l•X•W3lJ~ reu IS\<U>:O :,,cU>G5>

CAS EZ .. T83 == fiSIC1TO<X>rCXrû4•G5•CT:1TO(XJJi82(ll) IS .. f.: .. C( T: 1T C<X> lCX• G4• .GS) T85 == ISrCti:1TO{X)JCXrCXr(U:(T:1TOCX)lCX1

SMPR(X,UJ.G4rGS~T83l ISCSMP't tX,G4)•SHPR< X•G5D T8& ·- TRIS<CX,S~?~(X,G4lrS~?R<XrG5)r

SMPR(Y..F03),T35rT79} :SCSHP'l <XrG4>rSHPRCX,f03H rar := LESSISil"Nn(lolPX•SATZ18AClrX)) LESS IS• N•( l•lPX l G& :: lEFT<C XrlPXrlr TS7,G3 > n:uor l>JCX fD4 :: L~fTCCX,lPX•l•T87,F02> ETHTOC l>JCX T87A :: !SINOUTN(lrl•LESSIS!J(l)) : IS•N'•n •INNCl•XOUH U>> 10 ::: LEFflf0(1PX .. lrT87,XOUTC1l) . lTOUP( > . T87B :: ISI~OUTNClPXriNN<l•XOUf(l)),

T?.LESSis-N~CINN{lrXOUTC1J)rl•lPXr

1TCP<l•Xry~TCl)}rT87)) : ts•N•CINN(l•XOUTClllriN~ClPX•lD>l

T86 := TRIS(NAT~lriKN<1~XOdT(1)),INN(1PX,.1DJ• T67A,T873) t S "l11'" C1 .. I NN U PX,. 1 0 J l

1E := lEfT1TO!XP1.olPX•T47~10> lTO<XPl > T88A := ISOUTNICXP1•l•SATZ24A(XP1)rlNNC1PXrl0)

•lRLESSIS•N•<INNClPiolD>•(PX•IPl• 1T0P(lPI.olOlrT47),T88J IS•E•CtTOCXPlJ,.lOUT<XPlJ,.lEJ

T888 := ISf(lTGCXPl>•lTQ{XPl>~S•lE•lOUTtXPl>• SYMIS(1TO<XP1),10UT(XP1JrlErT88Al) : IS•E'"ClTOCXPlJ.o<lE>Sr<lGUT(XPl)~S)

T89 :: TR3IS<1TOfXP1>•<1E>S•<lOUT(XP1)>S• lnUT{XPll~lE•T88B•CASEZoT88A) IS•E•U TO<XP1h<1E>S•1El

T89A :: TRliStCX.oSMPR(lrG6J,.<XOUT<11>G6, <XOUT(lJ>F04,SMPR(1,f04),$ATZZ77CG6lr ISF(lTC<XPl).oCX,f,<lE>SrlErT89>• SYMIS(C~;SMPRC1•f04l•<XOUT(1}>f04, SHZ27HF04) )) IS<SKP'l (l,Gf>},SMPR( t.F04))

T90 == S~TZ25HhX•G3l ISCSMPl(lPX .. G3)~<SMPRCXr~\)><SMPR(lrG6)>Q) T91 := ISFCCX.CXr<SMPR(l,G6l>QrSMPRCX.G4)•

SHPR(Xrf03l•T8ó) ISC<SM,RCX .. G4J><SMPRC1rGS)>Q,<SHPR(XrF03)><SMPRt1rG6)> Q)

T9~ == tsrccx.cx.rr:cxl<SMPR<x .. ro3l><T>Q• SMPRCl•G6)rSMPR<lrF04JrT89AJ : I S<<S M» ROC;. F03> ><SMPR( 1rG:2 J >Or<SHPIH Xrf 0 3) >< SHP!H 1 rfO 4)

>Q) T93 := SY~IS(CXrSMPR!1PXrt02)r<S~PR(XrF03)>

<SMPR,1.F04>>0rSATZ281Cl?Y.,F02)) ISf<SM,RCXrf03)><SMPRC1,F)4)>Q,SMPR(lPX,F02)) T94 :: TR41S<CXrSMPR<lPX,G3)r<SHPR(XrG4)>

<SHPR(l,S6)>Q,<SMPR<X·f03)><SXPR(l•G6) - 5.63.., >Qr<S~?P.CXrf03)><S~PR<lrrv4)>Q~ S~?R<1PX•f02lrT90rT91•T92rT93J : 1SCSMP~(1PXrG3)rSMPRC1PX•~02J)

T95 := ISS14PRC X?l~ F • 1 PX,.CGMPL .. N .. (l, X n IS<SHP:t UPX rf02 hSMPRC XPb FJ) f96 :=- SYMISCCX.SMPR{lPX.GlJ.

SM?RCXPlrG(XPI•S,F)Jo

Page 167: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

ISSK~R(X?lrG<XPt,s,r>•lPXr COMPL;,.N"(l.X > > l IS<SMPl (XPl.G()(Pl•SrF> ),SMPRC 1PX.G3))

T97 ::: TRHStCX•SMPRClcPlrG(XPlrS•f'>ir SHPR<lPXrG3JrSHPR<lPX•f02>rSKPR(XP1rF) rT9&rT94,.T95l : PROP1UP1"S"rJ.

B ~ tNOT1:NOT<Is•t•t1TOtXP1l,<XOUT<XP1l>S•XOUT(XPllll j { N0i2 :NCHIS•E•n TOCXPl h<l OUHXP ll>SrlOUHX?l l))] AO := <1\JUTCXPll>S HCCXP1 > 8!) :::: <l::!:JHX?1P·n;vFClTC~::Ptl .. 1iOC~PlhS•B) 1HHX?l l T98 :: TH!NYf2(lTCCXP1)rlTO(XP1JrS~B·

lOJI<XP!l) ts•E"<l TOCXP1J,lGUTCXPl)r<BO>S) T9!1 :: NOTZ NOT<Is•r.•uTO!XPlhA0•10UT<XP1))) TlOO := SYKNOTIS<l!OIXPll•<lOUT(XPl>>S,<BO>S•

TH3•E.HCTJS•(1TGCX?lJr<IOUT<XPl)>S• 1 CUT\ XPllr <SG>S• ~HJTZ• f98)) : NOH IS" t•U TO<XP 1 h <60 >S,.< lOUTUPU >SH

T101 :: THJ~l.IMP*tiS"E•<tTO(XPl>~90.10UTCXP1J ),!s~E•<lïCCXPl>~<BO>Sr<lOUT!XPl>>S)~

!lQQ,(T:IS"~·<tTO<KPlJrBOrl~UT(XPl))J

ISrC1T3{XPllrlTOCXP1>•SrBO•lOUT<XPll• T>> NOTtis•t:•<tTOCXPllrBOrlOUTCXPllJ)

Sl ·- CHANGEr<lTO<XPl>•lTO<XPll•SrlOUT<XPll• 80> tT:1TO[XP!)l1TO<XPll

(~:lTO<XPl)](l:Is•E•<tTO(XP1>rU•10UTC~P1))] T102 ·- CHANGEf1<1TOCXP1>•1TO<XPl>•S•10UT<XPll

.eo.u, ll IS-E•ct TO<XP1 h<U>Slr<BO>S) T103 := TRIS2!1TOCXPllr<U>S1rlOUT(XP1lr<BO>Sr

T102rT98) IS-t•ttTO(XPl)r<U>SlrlOUTCXPl)) U a (I:Is•t•ttTO<XPlJrUrBOll

n:u := CH~NGEf"2(1T0UP1 h1TO<XP1 hSrlOUTC XPl) ,ao.u,n IS•E•ct TO<XPlh<U>St.AO)

U; [N:~OT<IS•t•<tTOCXPllrUrlUUTCXPl>>l Jt!l: ~OH IS .. t:•< lT 0( XPl hU,.B 0)) l T105 :: Ct11HIGEf3U TOUPl>• 1TO<XP1 hS, 10UTCXP1 >

,ao,u.N.OJ : Is-t•(t TO<XPlJ,<U>Slr<U>S) >tDTZ a Tl06 :: THG•E.iiiSSEl .. (lTO<XPll,.lfO<XPU ... S,

10UHXP1 lr BO•B > BIJECTI VEU TO<XP1Jr1T!HXP1 hSU UlPH.UNOT( IS•E•U TO<XPU.I.Or X DUT< XPU J l1 SZ :: WISSEt(lTO<X?l}rlOUTtXPl>•AOl : [T:1TOtXPllllTOtXPlJ T107 :: TH3"E.WISSEL•f1TO<XP1),10UTCXP1J,.A0) : BIJECTIVE<lTOCXPlJ,.lTO(XPl)rS2J [U:lfD(XPl)l[I:IS"E•CtTOCXPll,.U•lOUT(XPl)JJ TlOB := lSWISSEL1<1TOCXPlJ,.lOUTCXPl>rAO~<U>Slr

T103<U,IlJ : IS•E•<1 TOCXPl>•<<U>Sl>SZ,.\OJ T109 := TRI SZ! lTO<XP 1 >•<U>S,.«U>Sl>S2•AO •

ISfClTOCXPll.lTCCXPlJ,.s,u,lOUTCXPlJ,.IJ ,T103> : ts•t•ctTOCXPl>•<U>Sr<<U>S1>S2>

U ~ CI:IS•t•<lTO~XPl),.U,.BO>J TllO :• ISNISSEL2(1TDCXPll•lGUTCXP1),.AO,.<U>Slr

T104(U,.IJ> : IS-E•<tTOCXP1J•<<U>S1>52•10UTCXP1lJ TUl •- TRIS2<1TO<XP1),<U>Sr<<U>Sl>S2r

10JTCXP1J,TRIS2<1Tn<XP1J,.<U>S,. 10Uf(XP1),.<80>S•lSF{lTO<XP1JrlTOCXP1Jr S•iJ,. so, I h T9 81 • TllOJ : JS-E:•U TOCXPl h <U>S,« U>Sl >SZ J

U~ [~:NOTtiS•E•tlTO<XP1),Ur1GUTCXP1)))

l(O:~OTCIS"Eft<lTOtX?lJ,U•30)J l(I:Is•t•(!TO<XPl)•<U>S1,10UT(XP1>>1 TllZ :: ISfE<lTOCXPlJ,lTO<XPll•Sl•

T6(Sl~F,.T10&JrU•lOUTCXPll•

fRIS2<1TOfXP1Jr<U>Sl•<lOUTCXP1l>S1r 10UTCXPl>,.I•T103ClOUTtXP1), REri SU TOCXP 1> ,1 OUHXPU)))) . I S .. t:•ct TO<XPl hUrlOUT( XPU J

0 ~ T113 ·- TH3 .. l. IMP .. fiS'"E'"UTO<XP1 h<U>Sl. 10UT(XPllJ•IS~(•(1TOtXP1>·U,lOUTCXP1 ))

- 5.64-

Page 168: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

,N,(T:Is~E•<1TOCX?l)•<U>S1•10CTCXP1))J T112nn Nt'H IS• E"Cl TOCXPlh<U>Sl•l OUTCXPll)J

ti:Is"E"ClTOCXPll•<U>Sl•.\Oll T11tt := ISfE<lTCCXPl),lTOCXPU,Sl•

T8t Sl• F", TlO&>•li• 30• TRIS2! lfO(XPl h<U> Sl•<90>5loAO,I,Tl04C80.REfiSC1TOCXPl ), fl())) n . _ . : IS"E"<l TOCXPl>•O•BO)

0 a T115 := TH!"L.I~P~<IS~E"ClTCCXPll,<U>Sl,AOl,

Tl1&

T117

N ~ T116

u ., T119

rs~E~<:TC{X?lJ,u~~o>~c,

[T:rs•E•tlT:~XP~J.<~>Sl••OlJT114(T>> := IS~ISSEL3C1TCC~?i~·lDUTCXPl>,AO,<U>Sl,

ïll3•T115} ·- SYHIStlTCCXPl>.<<U>Sl>SZo<U>S,

TRISC1TCCXPllr<<U>Sl>~2,<U>Slo<U>S• Tll&,T105CU·~·C;J)

·- THl•L.IHP"tiSRE"tlTUCXPlJ,UoB~>• ts•E"ClTCCXPlJ.~U>S•<<U>Sl>S2l•

[T:!SnEft<lTCC~ 0 l}oJoC0>1Tll~CT>•

CT:NQTCIS"E"C1TCCXP1l•U•BCJ>JT11T(f)) := TH1~L.IMP"CIS"E"ClTûCXPl>•U•lOUTCXP1 ))

•IS"E"<lTJCXPl>.<U>So<<U>S1>S2)r [f;IS"E•(lT~(~P1JrU,lCUTCKPl>>lT109CT} ,[T:~OTCiS•E•ClTCCX?ll,U,lOUT<XPll))]

IS"E"C1TCCXPl>•<U>So<<U>Sl>S2>

IS"E•U TO<XPUo<U>S•<<U>Sl>S2>

ïlloCT>> IS•E•(t TOCXP1Jo<U>Sr<<U>Sl>S2) AlPHA :1 T12~ := FISIC!TCCXP1},1TDCXP1lrSr[T:1TOCXP1)J

<<T>Sl>S2r[T:lTJ<X?!liT!19(J)J IS"E"((T:lTOCXPl>llTO<XPllrS•(T:lTO<XP1Jl<<T>Sl>S2l NDTZ a T1Z1

T1Z1A

:= T103~1avTCXPl>•rtEFISC1TO<XP1Jo lOUT< X?l) J > IS•E•U TOUPl h <lOUHXPl )> St.lDUH XPU)

:= EC3EZ1<IS•N•<XFl•l>•MORE•N•<XPloll• lESS•N"<XPlollrSATZlOS<XPlrl), IS~OREl•N•<tPXoXPl•l•COMPL•N•ct.X>•

T1ZZ SATZ18Cl,Xlll NIS•N•[XPl,ll

·- TH3~L.lMP-{lSwE"tlTG<XPlJ•XOUTCXPll• lOUTCXPll>riS"N"CXPlol),Tl21A• [T:IS"E"<lTO<XPllrXOUT<XPllrlOUTCXPl )) JISOUTNECXFlrXPlrlESSISI3CXPllrl• SATZzt, .\( XPl>, Tl) NOH I s• E•U TOCXP 1 h XOUHX, 1>•10UTCXP U})

AlPHA a T1Z3 f1Z4

•- SYMNOTIS<lTOCXPlJ,AOrXOUTCX?l),AlPHA) NOTCIS•E•ttTOCXPll•XOUTCXPlJoAOJ) ·- ISWISSEL3C1TQCXPllrlOUTCXPll,AOr

NGTZ a

XOUTCXPl)oT1Z2•TlZ3J : IS•E•ctTOCXPl)r<XOUTCXPll>SZ•XOUTCXPll> T1Z5

TlZ&

:: ISFCCT:lTOCXPl>llTO<XPlJ.CXr CU:[T:lTDCXPlJllTCCXPlJlSHPRCXPlo GCXPloU;f)),Sr[T:lTO<XPlll<<T>Sl>SZo 1120)

T12T ·- T4&<sz,F,T107rT124> TlZ6 := TR3IS<CXrS~PR<XPl.GCXPloSof)),

SMPR<XPl,GCXPl,Sl•GCXPlrSZoFJ)), SHPRCXPlrG<XP1.S2.fl)o5HPR<XPl,r>• T1T3 rT126• TlZ7l

[I3:Is•E•ClTDCXP1JrAOrXOUT~XPl))

lCBErA:NOTCIS•Ew(lTOCXPlJrBO•XOUTCXPl>>>J S3 :: WISSELC!TO<XP1J,1GUTCX?l>,SO) T129 :: TH3"E.WISSEL"<1TOCXPl>rlOUTCXP1lrBO> (U:lTD<XPl>JCI:IS"E•<tTOCXPlJrU•lD~TCXPll}]

Tl30 :: T104t<U>S3.ISHISSELlClTOCXPlir lO~iCXPi)•30rUrill

T131 .- TRISZClTOtXPl),<U~S.<<U>S3>SloAO"

ISf(lTQ{Y.Pl),lTOCY.rl>•S•U•lCUT<XPl>riJ ,Tl JO)

IS<SHPl(XPloGCXPl•S•f)),S"PRCXPloGCXPloSlrGCXPl•SZ•F)J) )

ISCS~P~ (XPlrGCXPl•SloGCXPloSZ•f))J,S~PRCXPl•G<XPlrSZ•fl ) )

ISCSHP~CXPlrGCXPlrS2•fJloSHPR<XP1•f))

PROP HX Pl•S•fl

CT : 1T oe x P u 11 r o < x P 1 > 6IJECTIVEC1TOCXP1JrlTO<XPl)oS3J

IS"'E'"<l TO<XPl )r<U>S,«U>S3 >Sl)

- 5.65-

Page 169: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

U; CI:ts•t•<1TO!XPl>•U•80)J T13~ ·- Tl03<<U>S3•!SniSSEt~ClTOCXP1)•

l~UT<XPlJ.BO,Url)) fl33 ·- TRIS2<1TO<XP1),<U>S•<<U>S3>5l•<BO>S•

ISf(lTO(XPl>,lTOCXPl>•S•U•BO•Ilr TR!SClTUCXPl>•<<U>S3>S1•10UT(XPl>•<BO> s.n:;z.r?a>>

U ê tH:N~T<IS•E•ttTOtXPll•U•lCU7(XP1Jll lCO:NDT<IS•E•ClTC(X?1>·0·30))J Tl34 :• IS~ISSEL3(lf0(XP1>,10UT<XP1l•BO•U•N•O> Tl35 ·- !S~{lTO{XP1>•1TOC~Pl}~Sl•<O>S3•u~T134l Tll& ·- T105tv.N.OJ T139 ·- S!~!S{lT0(XPll•<<U>S3>Sl•<U>S•

TRIS<lTO<XPl),<<U>S3>Sl•<U>Sl,<U>S• T 135• T UG> l

N ê T140 := THl~L.IMP•CIS•[•(tTO<XPl),U,SOlr

u a T141

BETA a T14Z

T143 U44

T145

Tl46

IS"E•ctTOCXPlJ,<U>S•<<U>S3>S1Jr tT:Is~Eft<lTOCXPl)•U•30JlT133<T>•

CT=NGT(IS•E•CtTO{XPl>~U~BOJ)JT139(f)) .- THl•L.iHP•CIS•[•tlTG(XPl)•U,lOUTCXPil)

,Is•E•<lTO<XP1)~<U>S,<<U>S3>Sl>•

[T:ts•[•(lTDCXP1J~U•lOUTIXP1JllT131<f) rtT:NJT<Is•E~{lTOCX?l),U,lDUTCXPl)})l

THOCT}) := FISI<1TO<XP1>•1TO<XP1>~SrCT:lTOfXP1Jl

<<T>Sl>Sl•CT~lTOCXP1JJT141(TJJ SY~~OTIStlTO<XP1)•60rXOUT<XPl)r9ETA>

·- ISWISSEL3C1TO(XP1J~10UTCXP1l,BO• Xû~TCXP1>•Tl22•Tl43)

:= ISf(ET:1TOCXP1JllTOCXPl),CX• [~:[T:tTOCXPll11TOCXPl>JSMPRCXPlr GCXPlrU,f)},S,[T:lTO(XP1)l<<T>S3>Sl• Tl42)

T147 ·- T97tSl•f,T10&.Tl21J Tl48 ·- TR3ISCCXrSHPRCXP1,GCXPlrSrf)),

SHPRCXP1rGCXPl•S3rGCXPl~Sl•f)J), SHPRCXPl.GCXPlrSlrf)),SMPR<XPlrf), Tl45rT146rT1471

I3 a [GAMMA:ISwE•(lTO<XP!J,BO,XOUT(XPl)JJti:IswN•(X,lll T149 ·- ISPLl•N•<l•X•l•SYMIS!NATrX•l•IlJ T150 .- lESSISIZ•N•cz.xPt.Tl49) t35 ·- lEFTCCX.XPt,z,Tl50rF> S'5 ·- LEFTt1TOCXPll•XP1•2•T150rS) G7 ·- lEFT<CX,XPlr2rT150.GCXPlrS•f)) Tl51 -- iSS~PR<XPl•f•2•T149} 1152 ·- ISSMPR<XPlrGlXPl•S•f),~,T14~J 1153 := SATZ280Cf05) T154 ·- SATZ280tG7) 1155 ·- TRIS1CNATrlNNC2oXOUT(2)),XP1r2r

IS!NOUTN(2rZrlESSISI3(~)),f149J

T15& ·- ISCUTNI<XF'lo INN\Z~XOUHZH, TRLESSIS~N-( INNC2rXOUT(~)),z,XP1• 1TOPCZrXOUT(2)),T150J.XPlr lESSISI5C~Pl>oT135>

T157 :: ISFClTOC~Pl>•lTOCXPl>•S• lEFT1TOCXPl•2•Tl50rXOUf(2))•XOUTCXPlJ• Tl5&)

T158 :: SYMIStNAï#l.ZMNCZr10UH2)), !SINûUTN(2~l•SATZ24A<Z>:J

IS"E•n TO<XPl>r<U>S3rU) IS•E•U TOO<Pl h<<U>S3>~1,<U>SU IS•E"Cl TOC!(PlJ.<U>Sl;<U>Sl

: ts•E•([T:1TOCXP11l1TO(XP1l•S•[T:1TO<XP1ll<<T>S3>S1) : NOT( IS• E•ct TOUPU• XOUTU" 1 hBOH

: ISCSHPlCXPl,GClPl•S,f)),S.PR<XP1,G(XP1rS3,G<XP1•51•f))) )

IS<S~Pl<XPl•GCXP1~S3;G(XP1,Sl•f))J•SMP~CXPl•GCXPl•Sl•f)

) ' : IS<SMPl <XPl•G<XPt.S1rfHrSMPR<XPb•f))

: IS .. N .. <2 •XPl) LESS!S•N•(ZrXPll n:t rm zncx

: [T:lTOC2>JlTOU:P1l n:tTOCZJJCX ISCSH~l(2•F05)rSKPRCXPl•F1) IS<SMPl <2,.G7 hSHPR<XPl,GU Ph Srr> l J IS<SHPl(2,.F05l~<<XOUTCZl>~05><<10UTC2J>f05>Q)

: ISCSHPl(2,G7)•<<XOUT(~J>G7><<10UT(2)>G7>01

- 5.66-

Page 170: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

fl59

Tl&O

T16l

T164

T1&5

Tl&G

T167

f168

Tl69

T170

T171

T172

TRIVIAL GAHHA a [N:NIS,.N'"(Xrl)J

T173

XMl Sft

T174

T175

T17ó T177

·- IS!JUT'H{XPbHHl!Z.•lCIJHZJh TRLESS:S"N"CI~~[2o!DUT{2J>•!•XP1~ ITOPtZ.lOUTC2Jl•T150l,l•SAfZ24ACXP1.)~ T15c3)

:: TR3IS<lTOCXPl>~LEFT1TOCJP1•2•T150~ lG~T<2J),lGUTtXP1),<30>Sr<XOUT(X?l)>S,

T159•T93,ISF~lTO(XPl)rlTD<XP1JrS•SO• XOUTCX?l),GA~~AJ>

·- T?.IS2<!T~<XP1},<X~~TC2)>$0S, LEFT1TCrXPlrZ•T15GolC~T(2)),<XOUT<XPl) >S,TlST,Tl&Q)

:: ISF<lTO(XPl}rlTOCX?ll•S• LEI'"f lTO< XPl,. z, T1 SO, lCUT( 2> ), lOUT<X?l h Tl59)

:: TRIS(lTO<X?l },<iOUI(2J>S05~<10UT<XPl)> S•XOUT~XP1l•Tl63,IJJ

·- TR!S2<1TO(XP11,<10UTCZJ>S05, LEFT1TG{X?l,z,TlSO,XGUf{2)J,XOUTCXP1), T1&luTl5Sl

·- IS~<lTO<XP1l•CXrf,<XOUTC2J>S05r LEH lTQ( X?lrZ, !150, lJUHZ UrT161)

:: ISF(lTJ<XPl>-CX•f•<lD~T(Zl>SOS• LEFT1TOCXP1,2rT150.XCUT(2)1,Tl&5l

:: ISF<Ch,cx,<<10UTC2)>G7>Qr<XOUT(Z>>G7r <lOUT<ZJ>fOS,TlSGl

·- COMQ(Co<lOUTCZl>G7•<10UT<Z>>FG5)

:= ISf(CX,CX•<<10UTCZ)>FOS>Q,<lOUTC2)>G7• <XOUT(2)>f05rT167l

:: TR4ISCCX~SHPRCXPlrGCXP1rSrF))r SMPRI2rG7>.<<XOUTCZl>G7><<10UT(Zl>G7> Q,<<1GUT<Z>>f05><<10UT<2l>G7>Q, <<10UT<Z>>G7><<1C~T<2l>f05>Q,

SYHIS<CXrSM?R<Z,CTJ, SMPR(XPlrG{XPl•Srf)},T152>•T154,T168• T169)

:= TR4IS<CX•SMPRCXPlrGCXP1rSrf)), <<10UTCZl>G7><<iOUTCll>F05>Q,<<XOUTC2J >f05><<10UTC2!>F05>0•S~PR<2•f051• SH?R{XPlrFlrT17lrTl70, SYHISCCX•S~PR{2,f0Sl•~<XOUT<2>>f05>

·-·-:: ::

== ·-

:::-

·-

<<1QUT(21>f05>~,i153),T151)

T172

ORE1<KORE~N•(Xrll,IS"N•(X,1J~SATZ24(XJ ,N) MN"N•cx, h T173) CHANGEF<lTOCXP1JrlTOCXPl~rS•lOUT(XP1 )r XOUHXPl >) TH&•E.WISSEL•CtTC(XPlJrlTDCXPl>•S• 10UT!XP1J,XOUTCX?1),9) CHANGtf2fiTOLXPl)rlTOCXP1lrS•lOUt(XP1) ,XOUT(XPlJ,XGUT!XPll•REFIS<lTO<XPl)• XOUTCXPU)J SYMISC1TO<X?1lrAO,XOUi(X?1l•I3l TR!S2<1TD<XPl>;<XGUT{XP!)>S4,XOUTtXPlJ •<lOUT(XPl)>SrT175•Tl76J

I S'"E• Cl TO<XPlhlEFT1TO<XPlrZrT150,. 10UH2J l •IOUH XPl >)

IS•E•<!TOCXP1lrlEFT!TOCXPt,z,Tt50r10UT<2J),<XOUT<XP1J> Sl

IS•[•(tTOCXPl)~<XOUT(2J>S)5rLEFT1TG<XP1,.2•Tl50•10UT<Z>> )

!S•t•u HHX Pl)" < 10UT<2 J>S) 5•lEfT1 T:H XP lr2r HSO• XOUT<2)} )

IS<<XOJT<2J>G7~<10UT(2J>F)5)

IS(<10JTC2)>G7~<XCUT(2)>~J5)

ISC<<XlUTC2J>G7><<10UT(2l>G7>Q,<<10UT(2J>F05><<10UT(Zl> G7>Q l

: 15{<<1JUT<2>>f05><<10UTCZ>>GT>Qr<<10UT(2J>G7><<10UT<Zl> ros>o,

: !S(<<l!UT<Z1>G7><<10UT(ZJ>f05>0r<<XOUT<Zl>FOS><<10UTC2J >f05>0)

PROPlUPlrSrfJ PROPlU Pl•S •fl

: MORE•fi•(Xpl) NAT

CT:1T0{XP1)J1TO<XP1J

SIJECTI VEU TO(XPl>•lTOCXPl )~54)

IS•E,.U TOCX PU • <XOUHX PU> S4r <1 OUT< XPl )>S) IS"E .. <lTOlXPl>•XOUTCXPl>P<lOUT<XPl>>SJ

- 5.67-

Page 171: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T178 --:: lESSISil·~·<X•XPl•SATZ16ACX~lJ) L E :SS l s- N- Ot • XP 1 J

Ga ·- LEFT \C x. :t? 1, X• Tl re, G fXPl• S• F)) tT:lTOC X>lCX H79 ·:= SATZ278(X,G(XP1.s,rJJ IS{SMP~tXPl.GCXPl•S•F>>•<<~OUT(~PlJ>GCXPl•5•F>~<SKPRCX,

GS>>Ol T180 ·-· THla·~.HN•(Xrl•T173J Is·~'"(l' L"N'"( l,XtclhlO '!'181 :: LESSIS!2'"N•CPL•N•(l•XMI>•X•T160J LESS ts• N•<Pl "N•(hXHl>•X> G9 . - LE~T<CX•X•PL•,•(loXMl),f16l.G8) : (T :1 Tot FL"N .. ( l .. XMl> JlCX Tl82 :: srv:~(CX~S~P~(~L~~~(l•X~l)~Gtl~

S~?R!X,GOJ.ISS~PR(X,Ga.PL•N•t1.XKl>• Tl30)} IS<SMP~ CX.G8),SKPR(Fl"ti'"Cl•XI11hG9))

Gl() . - RIGH!!CX•!•X~l~G9) tr:l TO{ XHU lCX T183 := LESSISil•G•ct.Pl'"H'"(l•XMll•

SATZ13.H l• '{H!) i : LESSIS•N•<t.PL•N•(t,XKlJl :;u :: LEFTC:l~?L·~·(l•X~ll•l,T183•G9l (T:lTO(l)lCX Tl84 :: SA!l2.:H<A• h >;Ml.G9l IS<SMP~ {Pt '"N"<l .. X Hl h G9h< SKPRC Xl'h G 10 )>< Sf'PIH 1• Gll )> 0) T185 := SATZ27HG:U IS($HP't U .. Gllh<XOUT(l >>Glll Tl8ó :: IS!~CJT~Il•l•LESSISIJ(1)) IS'"N"U riNN(l,XOUH 1)))

u == LEfTlTO(PL"N•ct.XKl)rl,T18J,XDUTC1J> : lT 0( PL• r-i"Ur XMU l f187 :: IS t:-:GLiT?lC PL"' ~ .. ( 1• IOH h UI!H 1• X!:! UT U)) r

TRLESStS•N•<I~N(l,XDUT(lJ),l• PL"~"{l•~~ll•lTO?(lrXOUT(l)),T183)J : IS .. N"CI ~iN U, XOUT(l) ), I NN(?t•Nw( 1• XH 1), 1U)

13 . - LErTli~[~r?t•N•(l,XM1),Tle:.1Al liOOO T188 . - ISINOUTMf,,:~N<PL~~4 (l•X~ll•l~),

TRLESStS•N•<!NNCPL•N•(t,XHlJ,lAl• PL•N•ct.X~l>•X•lTOPCPl"N•(t,XMl>•lA), Tl81)) : IS"N•U NN(Pl"N•( t..X 'll ".U), tNMU .. tBJ J

T189 :: TRJISCNAT•l•INN(l,XOUTCt>>• lUN!Pt•N•(l,XM1)•1A>riNN(X,18),Tl86• THI7 • r188) : I s""N•n .. INN< x.ts > >

te ::: LEFT!i0{XPl.X,Tl78.18J : 1T0( XPl ) T190 ·- ISOUT~!CXPl•l•SATZZ4ACXP1J,INNCX~1Bl•

TRLESSIS•N•CINNCX .. lB),X,XPl•lTOP<X•lB> .. T178), Tl89) : IS•[•(l TO<XP1J,JOUTCXP1J,lCJ

T191 ·- ISrClTO(XPl>•CX•GCXPl•S•t>•lOUTCXPll• 1C,T11?) !S(<10J HXP 1 J>G( XPt .. s, n,c XDUH 1 )>Gl U

Tl9Z ·- TRISZCCX,SMPR!l•Glll•<lOUTCXPll>GCXPl• s,F},<XOUT<l>>G11•T185,T191l IS<SKPt<l.G11),<10UT<XP1J>GCXP1,S•f))

T19l . - SYHIS<lTO(XPll•<XOUTCXPll>S4• <10UTCXP1>>S•Tl75) : rs•E•<t TO<XP1)•<10UT(XP1l>S•<XOUTCXP1)>S4)

T19ft :: ISfClTO<XP1J,cx,r,ctOUTCXP1J>S, <X~UT\XP1)>S~•T193) ISC<lOJT<XPll>GCXPl•S•FJ,.<XOUT<XPl)>GCXP1,S4•t)}

f195 ::: TRIS<CX,SMPR(l,GllJ,<lOUTCXPlJ>GCXPl• S•F),.<XOUTCXP1l>GCXPl•S4•F1,T192,T194) ISCSHP~<1•Gll)•<XOUT(XP1l>GCXP1,S4•f))

T19& ·- ISFCCX.GX,rT:CXl<SHPR<XMl•GlOJ><T>Q, SM?R<l.G11J,.<XOUT(XP1J>G(Xfl,S4,f},. ï195) ISt<SM>R(XKl•GlOJ><SMPR<l•Gll)>Q,<SHPR<XHl•GlO)>

<<XJUTlXP1J>G(XP1,S4,.f)>Q) rt 97 :: TR3IS<CX•SKPRCX•G8J,SHPR<PL~N-<1•XH1),

G9J,<SMPR<XM1,G10l><SHPRC1.Glll>Q, <SMPRCXKl•GlOJ><<XDUT(XPl>>GCXP1,S4•f> >Q,Tla2,T184.Tl9ól : IS<SMP~(X,G8J,<SMPR<XM1,GlG)><<XOUT<XPll>G<XPl•S4,f)>Q)

l'l98 :: ISr<CX•CX•CT:CXl<<XOUTCXPll>GtXPl•S•f) ><T>Q,S~?R(X,Gêl•<SMP~(XMl,G10J> <<XOUT<XPl>>GCXPi•S4,Fl>Q,!l97J IS(<<X,UT<XP1)>GCXP1,S,f)><SHPRCX,G8)>G•<<)0UT(XP1>>

G<XP l>•S •f )> «SHPRUKl• GlOJ >«XOUTC XP U >G( X F l• 54 • F) > Q> Q > T199 ·- -'SSQ 1{ A, <XOtl TUP l>>G <XP l• S4,F),

SHPRCXMl,G10l•<XDUTCXPlJ>GCXP1•S•f)) IS<<<XJUT(XP1l>GCXPl•S•fl><<SHPRCXKl•GlOJ><<XOUT<XP1)> G<XP 1 ~> 4,f) >Q>Ih <«XOUHXP 1 J>G( ltPb s,.r J><S~PR<XIH • G10 )> - 5.68-Q>«XOJ HXP l )>G( XPl ,54 ,.f)> QJ

TZOO :: COMQ(C,<XOUT<XP1J>GCXPI•S••FJ, <<XûUT(XPll>GCXP1,s~f}><S~PR<XMl,G10)> Q) : IS ( « <t; OUH l<Pl> >GCXPt. s.n ><SMPR~ XM t .G 10 l >C:><<XOUT CXP 1 l

Page 172: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

GlZ = tErrccx.xPt-x.rtra,GcXPt~s• .. r>l G13 :: !.UT<C x, lt. PL .. t·l"'( 1• X!1ll • T16h~ 12 J G14 = RIGHTCCX•l•XMI•Gl3J G15 :: lEff{CX.~L·~·<t.XHl>•l•

LEss:sa "~:·c 1. ~>L "N .. { h XMl,. SA T Z 1 :L~ { 1 ,. ~~ 1 > l". G l 3 l'

rz:n . - SArZ273<X.G(XPl,S4,f))

TZOZ := SYMIS<c~.s~?~(?L~N"(1.~~i),G13>• SM~~!X.G!2lriSSKPRCX•G12•Pl"Nw(l•X~l}~

nao >l T203 :: SA~Z281C~•lrX~l•Gl3>

TZ04 ·- SHZ277CG15J T205 := ISFCl!OCXP1},CX•G<XP1•54•F>•10UTCXP1J•

te. r 190l TZ06 :: TRI !>2( CX •SMP RC h Gl5 J • <lC:JHXP 1 J>GUPl •

S~.FJ,<XD~Ttli>G15rT204,1205l T207 ::: CH~NGEFl(lTGC.Pl)•1TOCXP1J,S•lOUTCXP1J

rXOJi{X?l>•lO~T<XPl>•RS~:S{lTO(XPl>• lCJT!Y.?l l >)

T208 :: ISFClTD<XPll•CXrf,<lDUTCXPl)>S4• <XCUTCXP1>>S,T207)

Tj?09 ·- TP.ISCCX~SMP~Cl•G15l;<lOUT<XP1l>G<XP1~ S4~f ), <X OU i( XPl)>li(XPlJIS,.f ),. TZ06 .. iZG8)"

TZlO :: ISfCCX,CX,(T:CXl<SMPRCXMlrG14)><T>Q, SMPR<l•G15l•<XOUTCXP1>>G(XPl•S,f), T209 >

T211 == TR3ISCCX,SMPR(XrG1ZJ,SMPR(PlwN"(l,XM1J ;G13l,.<S~PR<X~l.Gl4)><SM?R(l,.Gl5J>Q,

<SMPR<X~l•Gl41><<XOUTCXPll>G<XP1•S•f>> o .. rzoz,rzoJ.TZlO>

tU:lfQCXMl>l UA :: RIGHT!T::J(l,Xfo!'lrU> US •- LEF'T1TO<X•Pl"ri"<l•XMU,.T181•UAJ UC ·- lEfT1TO{X?1rX•Tl78rUB) ti:Is•E•(tJO(XPl)rUC.XOUTCXPll)l TZ12 ·- IS::JUTf~E<XPl• INNCXrUBh

TRLESSIS•N•CJNN(X,UB>,X•XPl,lTOPCX,USl rT178>•XPl•LESSISI3CXP1l•I>

fZll := SATZ16A<IN~<XrUBhX•Xf'1•1TCP{X,.UB>• SHZ13A!Xrl})

TZH := <T212>EC3E31<IS"N•CINNCX.Uel.XP1 ), MORE•N"(INRIX•UBJrXP1>• lESS•N•<INNCX.USJ,XPl>• SATZ10B<INNCX.UBl,XPl),T213J

U ~ 1215 := CT:IS"E•(lTO(XPl)•UC•XOUT(XPl)}J T214(T)

ti:IS"E•ttTOCXPll•UC•lOUTCXPllll T21ó ·- ISCUTNEC<Ph INi'H x,ua ),

T217

TRLESSIS~N"( INN(X,UB>rX,XPl•lTGP<X•UB) , Tl76 h 1.o SAT Z24A UPl ), I)

:= ISINGUTNCX,IN~(PL•N•Cl•X~ll~UAJr TRLt SSIS"1: .. < INN( Pl"N .. { 1• X~l ), UA), PL •N"( 1• XMU .. X• 11'JPt Pt ·~·{ :, XMl > •UA) •

~titXPl•~~·~ J>Q•<<XUUi{XPlJ>ti{~Pl•~~•tJ><<<~UUI~XPlJ>

GCXPl.S,FJ><Sl'!PR(X~l .. Gli)}>Q>Q) . [ T: 1 TOf X) JC X n :1 TOC Pl"N"'( l.X .. lJ JJCX rT :1 TOt XKU JCX . .

(T:!TO( 11 JCX ISCSMP~CXP1,G<XP1,S4,f)),<<XOUTtXP1)>G(XPl•S4,fJ> <SMPRC(,G12)>Q)

ISCSHP~{X,G1Zl•S~PRCPL"N•Ct,XM1l,G13J)

IS <S MP~ tPL" N"(l, X!H ), G 13) • <SHPR<XMl,Cl t, )>< SMPRCl• G 15) > Q} IS(SMP~ C1.G15),cXOUTCll>G15>

ISC<10J HXP 1 >>G< X?1 ~s4 ~r h <XOUT (1 J>G 15)

: ISCSHP~<l~G15>~<1ûUTCXP1l>GCXPl•S4•f))

; IS•E•(l TOUP1 h <10UT<XPU> S4,<XOUH X!'U>S)

IS CS MPl U•G 15J, <XOU HXPU> G<XP l•S•f l)

t IS<<SM~RCXH1 .. G14)><S"PRC1,G15J>Q,<SMPR<X~l•Gl4)> <<XOUTCXPl)>G(XPl,S;f)>Q>

: lTOCPL•H•(t,XMlJ) 1T:JCX>

; lTO( XPl)

CON

KOT(IS•E•<tTOCXP1J,uC,XGUf(XP1lll

Tl81)} . : IS·~·<tNNCPl .. ~"(l,xt'H,.UA),INN(X,.UB>) TZ16 :: ISINOUTNCPL"N"(l,XMl>,

PL~N"CljlNN<X~l.U)},S,TZ190CINNCI~l.Ul ;XM! •l•l Ttlr< >::'l• U))) IS"'N•P l .. N'"C !Jo t Nt~(lOil• UJ ). INl'H Pl•tl .. { h X Hl) •UA))

- 5.69-

Page 173: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A
Page 174: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•8283

tS28.4

SOT2 ~ TZ36

NOil a TZ39

............ , .... .., -. """'"""'""~ .... ~,., .... ."~..., .... , ........ >•PRCPltXPl•S•flr[T:IS•[P(lTDCXPl>•&Cr XOUT(XP1JilT236CTJ, [J:NOTCJS•[•(lJO[XPl>•BO•XOUTCXPl)JJl Tl48{T))

:: THlpL.:~p•(IS~E*(lTOCX~l)•AO.~OUTCXPl) Jr?RD?~CXPl•S•flr(T:Iswr•<1TO<X?1lrAO; XDUTCX?1JJJT237{TJ, tT:~CTE~S~Ew{lTO<XPlJ•AO•XOUT{XPlJ))] Tl2Z<Tl>

:= THl"L.ZH?*(!SP(•!tTO<XPl>•<lQUT<X?l)> SrlOVT(X?lJl.PRJPl(XPl•S•f), [J:!s~E"(liû{X?!Jr<lCUï<X?l>>S•

lOUiCXPll)JT97(FJ,~T:NOT~IS•E•(1TO

<XPll•<lGUT<Y.?ll>S•lDJT!XP1J}lJi238CT>

PROPH( Pl.Srr>

> : PROPl((PlrS•f> B a T240 := TH!•t.!MP•(IS•[•(l!O(IPl),<XOUTiXPlJ>

S•XOUT<X?l)),Prt0Pl(XP1.S•r>, (T:Is•E•t1iC(XPll,<XCUTCX?l)>S~

XOJHXPl) > H 45( ih ( T: N:JH IS .. E'"Cl TO CXPlJ,<XOUT(XPlJ>S,KCUT{XPl))JJT239CT> l PRCP lU PloS,.FJ

P a TZU ·- [U:[T:1T~{X?llllT0(XPl>JCV:[T:1TO<XP1> lCXl[W:BIJECTIVECl!~[XPll,lTO<XPl>•U>J T240 ru,v,IO : PROP2(( PU

TZ42 := IS~{NAT,.[T:NATJPRCP2CT>•XP1•<X>SUC" T241.SATZ4ACX)) PR0?2(<X>SUC)

X a TZ43 := INOUCTION<CT:NATJPROPZCTJ,f6,{TtNATl (U:PROP2HJlT24Z<T•UhiO : PROP2U)

SATZZ53 :: <B><F><S>TZ43 ... 8283• a tX:REALltiX:INTRl(XJJ[Y:REAll[IY:INTRL<Y)J[LY:LESSIS(Y,Xll

S~IFTL := SHIFTL"R~<x .. tx,y,Jy,LYJ t~:HtHSHIF'TU l S~IFTR :: SHifTR'"R•<x.rx,.Y,IY,LY,.Nl INTS~IfTR ·- I~TS~IFTR•Rw<x .. IX•Y•IY .. LY .. Nl SHIFTRLS ·- SHIFTRts·~-(X,.IX,.y,zy,LY,.N)

LSS~IFT~ ·- lSSHiffR•R•(X•IX•Y•IY•LY•N> [H:1TO{SHifTLlJtt:IS•R•<SHifTRCNJ,.SHIFTRCHl>l ISESHifTR := ISEShlfTR•R•tX.IX•Y,.IY,LY~N•K,.!)

tY a ru:REAlliA:AN03(INTRL<ul.LEssrscr,.ulPLEssxscu.x>>J S~IFfLl :: SHIFTtl•R•cx,Ix,.y,IY•LY•UrA> SHiffiNYl := SHlfTlNVlwR•<Xrl~•YriY,L),.U,A1 SHlfTISY2 :: SHIFTINV2·R~<x.IXrY,IYrlYrUrAl

LY ~ tF:SEO<X•Ix,.y,zy,LYrCX>1 SHifTf := SHIFTF{X,IXrYriYrLY.CXrf) (Q:tr:CXJ[U:CXJCXl SHPRI :: SMPR(Q,SHIFTlrSHIFTfl

F ; EPI:,ROOFSIRRELEVANTfXriX•Y•IY•LYrCX.FJJ[Q:[T:CXJtU:CXlCX l tA:AS S OC< Q) HU: RE Al H IU: I NT RUU) J (l :LESSI Str riJ> H K :L[SS CU • U ltV:REALlttV:INTRL(V)J(LV:LESS!S<Y•VJlCKV:LESSIS<V~Ull

Tl

K 3 LF'T ·- [T:RtAlJ(VtiNTRt(T)J[LT:t~SSISCYrT)l (KT:lESSIS<TrU)l<Tl".B284•cT,.VrLT•KT)>

: NAT

REAL INTRUiHtfTR)

: LESSISt SHIFTR,.XJ lESS ISC Y, SH IfTR)

: lTOC SHIfT U : IS•R•(J;SHiflRCSHitTL111 : IS"R*<S HIFIRCSHIHLlJ..U)

[J:lTOt SHIFTt11CX

ex

LESS ISC V,. U

.s

s

-5.71-s

Page 175: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

H82!14

-828!t

<LT><w><l>~

IV ; [LV:LESSISCPL•R•(UrlRL>•V)j(~V:LESSISCVrX}J

f'L MN

x a Pl KV <I TZ

T3

T4

K a RGT

K a TS T5 T7

SXY SUY sxu ra

T9 TlO F1

Tll

FR T12

·- FL,.R,.<XrY> ·- ~~,..R·cx,v>

·- Pl~?.•('(,lRli

·- SATZ110C(UrUrOr1RL• LESSISI2CUrUrREriSCRE'L•U>>• lEM~Al·~·{lRL•O•SATZ169ACl~L•

NATP~S!IRL.NATRLl)J))

:: ISLE551[PLCUrOJrUrPl{UJ• Pl02~~~(Ur0rREF!S\REAL.0)),T2>

·- lESSIS!l(Y.VrSATZ172BCYrPltUlrY• SATZl72A<YrU•Pl<Ulrlrf3lrLV))

·- [T:~EALlCV:INTRL<T>J [LT:LESS!StPL"R"C~•lFL>•T>J [Ki:LESSIS~T.X>J<KT><T4•.aza4•(T,VrLTr

KT>><V><T>F

·- INTPLCUriUrlRlriNTRll> := SATZR2Scu.ru.x.rx.K> :: TR3ISCREAL•Pl<H~CP1(U),y),MN(Pl(X)•

PlCU)}},Pl(MNCPlCX>•PlCU)J,~N(Pl<U>rYJ

),MNCPL<~~(Pl{X),PlCU>>•PlCU}},y),

M~CPl{X),y),COMPL•R"CMMCPlCU),y),

MNCPl{XJ,Pl<U>>>•ASSPLZ"R"CHNCPl(X), PlCUJl.Pl(Ul.MO"R~{y)),

ISM~l~R·tPL<H~CPlCXloPl<U>J.PlCU>>~

PlCXJ.ToPlMNCPl<X>•PlCU)))J == ·-·-·-

·-·-·-·-·-:=

SHIFTL<K~IXrY~IYrLY> SHIFTLCU.IU~Y~IYrL> SH!Fïl<X.IX,Pl{UlrTS,T&> TR4ISCREAlrRLOFNTCPL~N·<SUYrSXU)Jr

PlCRLOFNTCSUYJ,RLQfNT<SXU>>• PLCXN(PltU>•Y>rHNCPl(X)oPlCU))), f!!;(PHXl.YloRLDFNT<SXY>o SATZP.l55ACSUYrSXU>• ISPltZ•R•CRLOFNTCSUYJ~~NCP1<U>rYJ•

RLGFNTCSXUloMNlPl<X>•Pl<U>>• ISRLNT2CKH<Pl(U),YJ, T&•R.SHiff«(Ur!UoYoiY•L>>• ISRLNT 2< M1H? 1: X}, PH Ul > • r&·R.sHrrr·cx~rx.Pl<U>.rs.T&>>>•T7• ISRLNTlCHN<PlCX},y), TG•R.SHIFT•cx.IX•Y•IY•LY))) ISNTIRLCPL~N·CSUY~SXUJrSXY.T8)

LESSiSI2"N"CPL·~·tSUY~SXUl.SXYrT9) lEFTCCXoSXYrPL"N"<SUYrSXU>.TlO .. SHIFTFCXriX•Y•IY.LY~F>J ISS~Prt(Q,SXY•SHIFTFCX•IXoYoiY•LYrf>• Fl "N .. { SUY• SXU J, T 9) RIGHT{CXoSUYrSXCofl) LESSISI1 1 ~·csUYoPL•N•<SUYrS(U),

: l I :tH. A. Jl 'I: l NI KI. { f J JL 1.. I : l.:. :i :i l :3\ T • I J J ll\ I :Lt.;:;, i;,\ I • U J J!; 1.

REAL R~AL REAL

lESS<P. <u~o J.Pl<U>>

LESS ISC y,y)

(T:!tEA:... ](V: INTRUT> ][L T:L:: SSIS<PL•R•(UrlRL ),T)J

!KT :lES SIS<T • U lCX

INTRL<" lC!Jl) LESS IS( Pl(U hU

IS"~·c~L(MN<Pl<UJoYlrMNCP1CX>•Pl(U)))r~NCP1CXl~Yl}

NAT NAT NAT

IS"R•(~lOFNT<PL•N"(SUYoSXJJ),RLOFNT<SXY)) IS•'f .. P l"~'"( SUY, SXU >. SXY J LESS I s• N"CP l"N" {SUY rSX U>.S XY>

IS(SMP~(Q,PL•N•tSUYrSXUJrFl)rS~PRI<X.IX,YriY,lY~f,Q))

[T:lTOCSXU>lCX

s

s

s

- 5. 72-

Page 176: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

SATZ13ACSUY.SXU>> LESSIS•N•(SUYrPt•N•(SUY.SXU)) F'L :: LEfrccx.PL·N·csur.sxu>.sur.rtr.rl> [T:lT:]( SUY> lCX Tl ZA ·- SATZ23ltO•A•S~Y.SXUrf1) IS C:> ~P~ (Q ,p L •N•( SUY rSXUh;:- lJ • <St'PR( Q • S XU• F'fD>< SKPR{ Q,

SIJY• F"U >0) Oi:lTO<SXU ll T13 == !S !N::JUT~'H PL • N• ( SUY,. SXUl •

PL~~·CSUY.[NN(S~U.N))•

S~TZ19DCIN,CSX~.~1.SXU•SUYrlTOP(SIU•,) )} IS·~•<>t•~·<SUY.INN<SXU.NJ>•INN(Pt•N•<SUY,SXU),

R!G"!Tlf O<SUY•SXIJ•N))} 114 :: IS!,DUTNf5XY.INNtPL•••(SUYrSXU),

P.IGH'1TO<SUY;SxJ,~>>• TRlCSSIS~M•CINNC?L"N"(SUY.SXUl•

RIG~TlTG<SUYrSX~rU)J,~L·N•csur,sXU),

SXt,lTCPC?t·~·tSUY.SXUJ• RIGHTlTOCS~r.sxu.Nl>•TlO)J : ts•H•(INNtPt·~·csUY•SXUJ•qiGHTlTO(SUY,SXUrhJ),

INNtSXYrLEFT1TO<SXY,PL•N«(SUY•SIU)•T10r RIGHTH J<SUYrSXU,Nl »>

Nl :: LEfilTOCSXYrfl"Nw{SUY.SXUlrTlOr RIGHTliO<SUY>SXU.~}l 1TOC SXY l

H5 :::: TRISCNAT•Pt·~·csuT,!N~(SXUrNllr ~~~tPL•H•(SU!rSX~i.~IGHT1'0(SUYrSXU,N)

l•[NN(SXY•Nll•Tll•Tl4) IS"N•C»L"N•(SUYriNNCSXU•N>>•INNCSXY•Nl)) Tló == ISNTEP.L{rL•N•(SUYriNN(SXU,N)),

I ~Nt SXY • Nl >• TlS> Isw~·(~LOFNTCPt•N•(SUT.INN<SXU.N)J),RlêFNTCINNCSXY.Nl>> )

T17 := SATZR15SSCSUY·I~K(SXU•N>> : IS•R•<,tCRLOFNT(SUY>•RlOFNTCINN<SXU•N>>>• RLOFNTCPL-N•CSUY,IN~(SXU,N))))

T18 := ISPLl•R•(HN(PlCU>•Y>rRLOFNTCSUYJ, RLOfNT<INNCSXU,NJ),ISRLMTl<MNCPl(U)rY) .r&·R.SHirT•<U•IU•Y•!Y•L)}) IS~•(,L(KNCPl<U>•YlrRLOf~T(INNCSXUrN)))rPL<RLOFNTCSUY>

, P.LOFNT UNN CSXU, N J)))

T19 := TRl!StREAL•PL(H~<Pl(UJrY), RLOFNTtiNS<SXU.NJ)),PLCRLGFNTCSUYlr RL~FNTCIN~CSXU,NJJ),

RLJFNTtPl~N•(SUYriNNCSXUrNJJ)r

RLOFNTCINN<SXY•Nl>>•Tla•Tl7•T16l : IS·~·(,l(KNCPltUJ•Yl•RLOFNTCINN<SXU•Nl)J, RU:lFNT[ INNCSXYrN1Hl

rzo == ISPLt•R•(PLCMNCPl(U),y), RlOFNT!INN<SXU.N))),RLOFNTCINN(SXYrNlJ hhT19) ts·~•t>t(Pl(~NCPl(UJ•YJ•RLOFNTtiNN(SXUrN)))•Ylr

PL<RLOFNT(INNtSXY,NlJJrYJ) TU ·- TR3IS<REAl•PltPLCHNCP1{U},y),

RLOFNHINN<SXUrll}) h Y>. PltPL<RLOFNTt[NNCS~U.~)J,MNCPl(UJrYJ), YJ.PlCRLOfNTliNN(SXUrNJJ,PL(HNtPlCUJr YJrYJJrPLCRLOFNTCIN~(SXU.NJJ.PlCU)J, ISPLl•R•(PLCMN(PllUJ,YJ, RLOFNT<IN~CSXUrNJ>l• PlCRLCFNTCINNCSXU,NJ>•MN(Pl<UlrYJlrY• COMPL•Rw(HGCP1CUJ,y),RLJFNT<INN<SX~,N)

J)),ASSPLl"R•\Rl~FNT<INNCSXU,N>>• MNCPlCU),y},y).ISPL2·~·tPltMN(Pl<U>•Y)

,y),PltU),RLDFNT<lNN<S~U.N))•

PUmtP1<U>.Y>D IS•R•<:.UPU M~H P HU J. Y hRL OF NT< INNC SXU.NJ) l• Yh PL<RLO!'"NT<IN!'HSXU.NH.Pl(} )))

TZZ := TRISlCREAL•PL(RLOFNT<IN~CSXY•N!)),y), Pl<RlOFNT(INN<SXU.~)),PlCUJ), - 5. 73-PLtPL<HH(PlCU),y},RL3f~T<IKN(SXUrNJ)), YhTZG.TZlJ . IS"~·<~L(RLOFNT(INNCSXY.Nl)JrYJrPL<RLQFNTC!NN(SXUrN)J,

PlWlH T23 :: ISMNl"R"CPLCRLOFNTCINNtSXY.Nl)),Y).

Page 177: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

TZ4 TZ5 T2ó TZT T26 T2? T30

T31

!( a T32

K :1

T33

T34

(lH 1 TfJ( S:JY)] Tl5

T36

HZ

UT

T38 T39

HO

Hl T42 T43 H4 Tft'5 !46 TH T48

TH

TSO

:: INTSHIFTRCX.IX,Y,IYrlYrNll :: lSSHIFT!~~·IX•Y,IYrLT.Nl) := SH!fT~LSlX.IX~~·IY·L~•~lJ :: I~TS~IfTRC~,;~,~~tJl•rSPTG.N) :: tSSH!~TR(X,rX.?l{Ul,ïS,75•~> :: SHIFT?~5{X~IX.Pl(~lrTS,T6~NJ :: T4(SHlFTRCX•IX•?l<Ul.T5•Tó•N>rT27•T28•

T29) := <T23><T29><T30><T27><SHIFTRCXriX,Pl!V>

,rs.T&,N~><T25><T25><T24><SHifTR(X,IX•

: lSwRw(SHlFTR(XriXrYrlYrLT,NlJrSHlfTRlXrlXrfl(UJ•i5rT6r N)) I'iHL(S HIFTRC x, I x, Y, IY •lY• NU) LESSISt Y.SHIFTR<X•IX•Y•IY•LY•Nl)) LESSISt SHIFTR<X•lXrYriY•L1" •NlJ~XJ VI HL G H>:H R o;, IX, P HU), T5, TG, tO > LESSISCPtrJ>•S~IFTP.<X•IX•,l(~),fS•TórN)) lESSIS!SHifT?.(X,IX,PlCUlrTSrTórN),X)

Y,IY.LY•Hll>?I ISC<N>FR,<N>SHIFTF<X~IX,PlCUJ,T5rT6,RGT)J

:= FtS~ClTG(SX~l.CX•FR•S,!FTfCXrtX,Pl(U), TS.T&.~~Tl •• T:lTO<SXU}jT3l(TJ) IS•E-CCT:lTOCSXUJJCX,fRrSHIFTF<XriX,Fl(U)rTS~T6rRGT)J

:: IS~C[T:lTJCSXUJlCX.cX,(V:CT:1TOCSXU)l CXlS~?~(~•SXU•VJ,FR•SHifTf!XriX~PlCUJr TS.T6,?.5Tl.TJ2l : ISCSMP~(Q,SXUrfP.JrS~PRICX,IX.Pl(UJrT5,T6,RGT,~JJ

:= ISr(CX.CX•<SH?R(Q,SUY•fl)>O• S~PR(Q,SXU,F~lrSMPRI<XriX,Pl<UJ,TS,T6r

:= ISINOUTNCPL•N•CSUY.SXUlriNNCSUYrNJr TRLESSIS•N•<IN~(SUTrNl.$UY• PL~N•tSUY•SXUJ.lTOPCSUY,N>oT12J)

:= ISINOUTNCSXYriNNCPL•N•<SUYoSXUJr tEFTlTOC?l•N~CSUY•SXUl•SUY·T12•N>>• TRLESSIS•N~CINNCPL•N•csur,SXU>o LEfTlTOCPL"N•<SUY~SXUl.SUYrTl2•N))r PL•N•(SUYrSXU>rSXYrlTCPCPL"N•<SUYrSXU) •LEfTlTO<PL•N•(SUYrSXUJrSUY~T12rNl)• 110))

:: LEfTlTC<SXYrPL"N"{SUY•SXUJrTlOr LEfT1TO<PL•N•<SUY•SXUJrSUY~Tt2•Nl)

:s TRIS<NATriNNtSUY.~lriNN<?L•N•tSUYrSXU) •LEFTlTOCPl"N•lSUYrSXU>,SUYrT12rNllr INN< SXYr NZ }, T35r T36)

:: !SNTERL<IS~CSUY•Nlri~N<SXYrNZJrT37> := ISfll.R"tRLO'~TCINN(SUYrNllr

P.LQfNr<INN{SXY•N2J)rYrT38J

:= ISMNt·~·(PL(RtGFNT<IN~(SUYrNJJrYJ~ PlCRLOfNT<INN(SXYrNZl)rYlrlRLrT39)

:: !~TSHifTRCUriUrYriY•l•Nl :: lSSHIFTR(U,IUrY;IY•L•Nl := SHifTRLS<UriUrYriY•l•KJ ·- Tl(SHlfTRCUrlU•Y•IYrl•N)rT41rT42rT43) := INTSHIFTRCXrlXrY,IYrlYrN2J ·- LSSHIFTR(XriX•Y•lY•LY~N2) ·- SHIFTRLSCXriX.Y,IYrlY;N2> :: <T40><T47><T4S><T45><SHIFTR(X,IXrYriYr

LY•N2)><T44><T42><T41><SHIFTR<UriUrY; !T,L,N>>PI

:: SY~IS,CKr<N>SHifTffUrlU•r•IY•l•Lff), <~>FL,.T48)

·- FISI<lrG<SUYJ~CX,FLr SHIFif{UriU•YriY•L,tfT),[f:tTOCSUY)J f49( T))

ISC<SM~R(Q,SXU,FR)><SMPR<l•SUY,Fl)>Q,cS~PRI<X•IX~Pl(U), rs.r& .~ GT .o >><Sl'?Rc o.sur.i"U>o>

IS"'N •<I NN<S UY, Nh IN M Pl .. N• C SUY, SXUJ. lEFT1TJ(Pl"N•<SUYrSXUJrSUf•T12•N)J)

IS-N•<INNtPL•N•CSUYrSXUlrlEfT1TOCPl•~·<SUYrSXUJrSUYr Tl2;N)J,INN<SXYrlEFT1TO<SKY•PL•N•tsUY,SXU)•TlOo lEfT 1Tl (pt•N•( SUY ,sXUl .SU'I', TlZ • N))))

: !Hl( SX'I'}

: IS•N•<INNCSUY,NJriN~<SXYrN2))

IS•R•(~LOfNT<INNCSUY•NllrRLOfNTCINNCSXY•N2J)J

: IS•R•(SL(RLOFNTCIN~CSUY,N} lrY),PltRLCFNTCI~NCSXYoN2JJ, \'})

: IS"R•cs HIFTRCU, tu,y, IY •LoN J,SHIFTRC x.u.y,. JY,.\.Y, NZ)) INTRLC$HifTR{U,!UrYoiYjt•1))

: tESSISCYrSHifTR<UrlUoY,JY,L,NJ) LESS I SC SHif TR( U, IU • y, IY ,L, tl>. 0) LESSISC SH!fiiHU•lU•Y•IY•L• NhXJ liH~l(S HJFTIH Xo IX• Y • IY rlY• NU) LESSISt Y • SH IH!H x, rx, Y • IV. LY• NZH LESSIS{ SHifTRCX.IX.T,IY•LYrNZJ•X)

IS"'E,. ([ T: l Hl< SUY) lC x, fl• SKI fT F( U • IU,. 'f.• lY ol•lfH)

- 5. 74-

Page 178: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•628i

-8285

T52

T53

K .; suzzsr.

•= 1~r,tl•4lU\~VliJ~AP~AP~,.,, •• ,U,~Ull~

C.XJS '!PR( 'h S!.l y, VhfL• SHIFTF~v.::.Jd'riY•l•lfT1rT5Q) .

:= ISF<CXoCX,[TICXl<S~PRI<XoiXrP1(UloT5• TirRGT,Q)><T>QrS~PR(U,SUT,FLJ• S~PRI(UriUrYr!Y•L•LfToGlrTSll

:= TRliSCCXrS~?~{g,pL•N•CSUTrSXU)of'l)• <S~PR~Q,SXUrFRl><SNPR(Q,SUToF~l>Q,

<S"PR[(XriKo?llUJoJS,T&•RGTrQ)> <SKPRCQ.SUYrFLJ>Do<SMPRllKriXoPl(U)r TS.T6rRGir~,,<S~PRICUriU•Y•!TrL•lfTrQ) >~• T 12A, !3~-, TSZJ

I~TPLC~.IUrl~~.INTqlllr

SAfZR25<U•IC•X•rX•K>·?.~T,Ql><SMPRI<U• I U, \'" ! Y, L, LF T, Q ) > Q, S~?RCQ•?L"N•tSUY"•82S4•,sxu•.ez64"lr

rt•.aze4•>•Tll~.eza4*•T53•.sza4•>

Q ~ [V:REALltiV:INTRt(V)l[W:REALlCIW:INTRL<W> }(LV:LESSISCPL"R•(y,y),W)J[KW:LE~SISCWrPL"R"(I,V))]

x a [Y:REALl ?L == Pt·R-cx.n MN := MN•R•( Xr Y>

x ; ?1 :: PL,.R"<XrlRU KW a Tl :: TH9«L.~R*<lESS(PL<Y.VlrWlr

IS"R"(PLCY•V),Wl•LESSCM~{PLCY•V>•V>r HNCWrV)JriS"a•CMNCPL(Y,V),y),~N(W,V)),

tW.tT:LESS<PL<YrVlrW))SATZlö8F(Pt<Y•V> ,w,HO•R•(V)rTt,[T:IS"R~<PL<Y.V),W)l.

ISMNl*R•<PL<Y•V),W,V,J>> TZ ·- ISlESSISlCMN<?LCYrV),V).YrM~(W,v),

MNPU Y • V l r Tl J Tl == TH9"L. OR.,.( LE SS <li ~ PU '1" V> h

iS"R•(~oFLCX,Vll•LESSCMN(~•Vlo HN{Pl(X,VJrVllriS~R"(MN(W,Vlr HNtPLCXrVlrV})rKW.CT:tESS(WoPLCXrVJJ] SATZ18à~(W,?l{XrV)rMO•R•(y),fJr [T:IS•R•(WrPL<X~VJJliSM~!-R"(W,PlCX•V)

.. v.T>J T4 ::: ISlESSISZ(HN{Pl{XrV>rY)oXrM~(KrVlr

HNPU Xr V h T3)

IV asrr :: [ T: REAL1 [ W :i NTP.L CT}.] ttT:lESSIS<?L•8•(y,v),T)J[KT:tESSIS(T, Pl"R"(X,V)lJ<T4".82BS•(T,~.LTrKT)>

crz•.B26S•<T,W,LTrKTI><INTMNCT,W,VriV) ><MN"R,.(TrVl>f

ISC<SM,RI(XoiirP1CU)rT5•TSrRGTr0)><S~PR[Q,SUYrFL)>Qr <S'I?!! IC Xr IX ,.pl(U hT Sr T 5r·IU T, QJ><SM?R t< Lr IU • y, IY •l•Lf'T, Q)>Q) .

IS(SMP~(Q,Pl*~w(SUYrSXUJ,~l)r<S~PRl(X,IXrPl(UJrT5rT6r RGT, Q }l> <SMPRI<!Jr IU, Y,Y YrLolrT r Q) >Q}

ISCSMPli<X•lX•YriYrLYoF"Q),<SMPRI(XriXoFL•"•cu,lRLl• INTPL(J,IU"lRLriNTRllJ,SATZR25<U,ru,x,IXrKlrRGT,QJ> <SMPRU U•IU•Y•.IY•L•trT,Q)>Q)

REAL P.EAL REAL

LESSIS( MN!PltY•VhVJrHNCW~ Y))

LESS ISC Y rK!HihV) J

LESS ISl MNOir Vh KN<Pl(X rV h V))

LESS IS[ .KNOf rV J.X J

n :1EAI. H lU INT RU Tl lelT: LESSISt PL "'R .. ('h V>, T)] [KT ;L E'i S IS<T .. ?L •R .. U,.V)) 1: X

s

s

s

- s. 75-

Page 179: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

tv ~· r;

T5

T7

ra

so SV

T9

T10 n

Tll

[N:lfQ(SVJl T1Z

Nl f13 Tl4

STO STV

T15

:: TR!StREAL,MO•R•(PL{Y,V)),HO•R•(pl(V,Y) lrFL C ~~""l" {V .)d10 ,.R,.( "'')),. . . ISM0·2~CPL(Y,VJ,PLCV,YJ,.CO~PL•R•CY~V)) #SATZ130tv•Y I)

:• TRJiSt~EAL·H~tPL<lRL,PL(X,.VJJ,.VF• PLC1~l•~hi?L<X•V>•Vll.PLC1RL .. X>•P1CX>• ISSPLl•q•clRL.Pl{X,VJ,~D·R·<V)),

iS~Lz•RP(~~{PLCX•VJ.Vl•X•lRL•"NPLCX•V> ),.CC~~L"R"{IRL,.Xll

·- TR3ISC~E~L·M~(Pl(PL{X•VJ),pl{Y,VJJ,. ?ltPLC!Rl~PLCX.YJ),PL(HD•R•[V),

~D·R•CY~IJ•MN{MNC 0 L{IRL•PLCX.Vl)•~),.y) ,KNCP1,X>•Y),!SPL12-R~CP1(Pl<X.V))•

PLC!~L•'l(X•VJl.MO~R.(Pl(Y•V>J• PLO!O•rt" (V,,. MO,.R .. { ':' > h C OMPL "fl"(PU X•.V) •lRll.TS),~SSPl2"R•tPL(lqL,PL(X,V>>• MD•R•[v>.RO~R·<Y>J• !S~Nl•p•(~NtPLClRL•PL<X•V>J•VJ•Pltll• Y,. TS n

:: TH9"L.c~·CLESS(Y,.Xl•IS•~~{y,x),. LESSCPL(Y,V),PL(X,V)),IS•R"tPL(Y,VJ, Pl<X•Yl)•LY•tT:LESS<Y•X>JS4TZ186f(Y•X• V.TJ,[T:Is•R•(y,XlJISPLl"R"(Y,X,V,T))

:: SHifTL<X•IX•Y•IY•LY) :: SHIFTLCPL<X•VJ,INT?LCX,IX,.V,IV),.

PltY•Y>•INTPlCY•lY•V•IV>•f8) := ISRLE~TC~~(Pl<PL<X.VJJ.Pl<Y,VJ),

T&•R.SHifT•CPL<X•Vl.INTPLCX•IX•V•IY>• Pl(Y,.1),INTPLCY,IT,V.IV),T8>.MN(P1(X}~ YJ.T6·R.s~rrr•cx.rx .. v .. IY•LY>•T7)

:= lESSISt2~N·tsv,sO,r9J :: lErT<CX•SO•SV .. TlO•SH!fTFCX•IX•Y•lY•LY•

f))

:= ISSKPR(C,SO•SHIFTF<X•lX•Y•IY•LY,fl•SV, f9)

·- IS!NOUTN<SO•INN<SV.NJ• TRLESSIS"N•<INNCSV,NJ.SV,sO,!TOP(SV,.N> ,. TlO l)

:: LEFT!TOtSO~sv~TlO.NJ :: IS~TERLCIUNCSV•N>•INN<SO.Ntl .. T12J :: TRISIREAl•HN<PLCRLOFNT<iNNCSV~N)J,

PL(T,VJJ,VJ,.pl{RLDFNT<INN<SV,N)J, IHH Plt T, VhV) J,PU RLOFNH INNtSOr Nl}) ~ Y)oASSPtt•R•<RLOFNT<INN'S~rNJJrPLCY~V> ~Ho•R8 {VJJriSPL12•R•t?.LOFNT<INNCSVrNl) ,RLClfNH HHH SOr~H J h H.NtPL <'r, V J ,y h Y • TB .. :.~N?L<Y•Vl})

~= SHIFTRCX•IX•Y,.IYrlYrNlJ :: SHIFTRCPLCXiVJ,INTPLCXrlXrVriVJ,.

PLCYr~J.INTPL(Y,IY•V•IVlrT6rN) :: TR4IStREALrHNCSTV.VJo

PLCPLCRLOFNTCINNCSV•N)J,PLCY•V}), PLCHv•R~{l~l),~OwR•<VI));

Pl(PL<RLDfNT<INNCSV•N>>•PLCY•Vl)r Pl<MO•R•tV)rHO~R•<lRlJJ),

MN(~NCPLCRLOFNTCINNCSV•N>>•PL(YrV)>•V> ,1Rtl·STO,ASSPL1•R•trt!RLJFNT(INN

ts•;p•(lfNCPU lRLrPLCXrV )),.1 >..PHXJ)

LESSlStPLCYrYJrPl(X,.Vl) NAT

NAT

: IS•N•CiY,SOJ u:ssxs• N'"ts v~so J

[T:lTOC SV>JC1C

: IS'"N•ttNNCSV,N),.INN(SO,.lEFTlTOtSO,.SVrTlO,Nll) 1TOCSOJ

: IS·~·(~LOFNTCINN<SV.N)l~RLOFNTCINNCS0,~1J))

IS"'R•t-1 N{PlCRLOrNT< INNCSV• N) hPL<Y • V)), Y) • Fl !RLOF NTC I NN( SO ,.Nl) h YJ) REAL

: REAL

s

- 5. 76-

Page 180: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+8286

-6263

Tl& T17 T16 Tl9

T20

T21

T22 T23 T24 T25

IV ; T2&

TZT

IV a lE1'111A285 SATZ285

\~Y;Nilt~L,TrY:Ir~v-~-ll~~1;Mv-K-tV11~

ISPLZ~R•(Pl{uc~~~<lRl)•~O~R~!Vil•

PL(KQ"R•(Y).~O~~·tlRlll•

PL,~LQFNT([~~:sv.~J),Plt!oV)), C C'-'?t~R .. f" ::-R~ t1 1l }, r-o~R•{V))), ISSPLZ·~-~~Lt~L~F~T~:~,{SV.~)),PLCY•V>

lo~O·?·t~)rHQ-R•(lRL)),

IS~~~"P"(H\CPL!2L2r~T<I~•<sV.~)), PLt~·VJ2,VJrPLCPLD~NT<I~NCSOrMl))~Ylr

·- I~TsH;Fr~tX,IX~Y,IY,LY,~l) := SKIFT~LSCX•IX,Y,IY,LY,N1l •- lS~~!:rTR(X,IX~Y,IY,LY·~!l

·- !~I~ri~FTR[PL~X.YJ#I~TPL~X,IX~V,IVJ. FLlYrV)ri~TPLCYrlT•~•IVJr~3•NJ

:: SHIFTP.LStPl[X,1lriSTPLtX.IXrVriVlr PLCYrV)rl~iPL(Y,IY•VrlVJ.T8rN)

:= tSSHIFJ?.(?L{X,V},I~TPLCXriX.VrlVJr PLCY;V)r!1TPL<Y•IYrV•IVlrT3•Nl

.- INT~N[STYrTl9rV,[V)

·- T2{ST1,TtYrT21•T20l := T4C5TV.T!9,721?T20) ·- <Tl5><Tlr><Tl6><T15><STO><TZ~><T23>

<T22><~N<STVrV}>PI

:= fiSIC1TCCSVJ,cX,SHIFTf<PlCX•V>• INTPlCXriX,V,IV)rPL<Y,VJ, lNT?L{Y,IY•V•IVJrTS,SfT),fl;[f:lTO<SV> JT25{T))

:= ISFC(T:1TO<SV>JCX,cX,{W:(T:lTO<SV>lCXl SHPR{Q•SV•W>•SHifTFCPLCXrV}, INTPLCX,IX•V,IVJ•Pl{Y,V), INT?LCYoiY,VriVJ,T8,SFTJ,Fl,T26)

-- rs·.azss• :: TRISCCX.SKPRI<PL·~~(X•V>•

INTPL<X,IX•V•IV>;PL•R•(Y,VJ, INTPL<YoiY•VriV>•L~~MA28S.SFT,Q), S~?Rco.sv~.azss•,fl•.sz3sa>• SM?R!CX•It.•Y•IY•LY•f•Q),T27".8285"• Tll".~265•)

LY ; [S:SEQCXrlX•~•IY•LY•REAl)J[INS:INSEO<X•IX•Y•IY•LY•S1 J(f:S(Q{XoiX.Y.IY,tY,CXl1[U:R~All[IU:;~TRL<U)J(lU:LESSISCYiUl ltUL:LESSiS(U.XJ1

I s•R•(!f N<STY•V> • STO > I~TRUS TO) LESSISt STO•X> lESSISt Y •ST 01

: INTRUiTVJ

lESSIS! STV•PUX.V))

lESSIS[PL(Y,VJ,STV) INTRU"f N( Si V ,y)) lESSIS[ Y•WHSTtr\')) lESSISt H!HSH,.Vh•X>

IS<<N>S HIF'T Fl Pl( x.v >.I t\TPL ex. IX• V •IV h l'lCY ,y h INTPl<friY•V•IV>,T6.SFTJ,<N>Fl)

IS•E•C[T:lTO(SVJlCXrSHIFTF{Pl(X,VJri~TFLCXriX.VrlV)r FL(Y,V>•INTPLCY•IY•V•IVl•T6rSFTJrf1J

: lS(SMP~I<PL<X,vJ,INTPL(X,IX.V,IVJ.PL<Y,V),

INTPL<Y•lY•Y•IVJ•Ta•SFTrQ),S~PR(Q,SVrFl))

IS CS !1Pl I<Pl .. R'"< X,V), INTPLC XrlX• y, IV h Pl"R,. ( y, V h INTPL<T•IY•V•IV1•lEMMA285•SfT,Ql, SHPRI<( .u.r.n.tr.r.o ,,

US :: <UL><LU>~!U><U>S REAL

Tl

INSE:!El

INSEQEZ

:= <UL><lU><IU><U>I~S

:: TZZ"R.SHIFT~(X,IXrY•lYrlY.US. Tl ... 6285 .. )

:= T23"R.SHtrr•cx,rx,Y,IY.LY.us, n·.s<?!lc.->

INTRUJ S>

s

s

$ - s. 77-

Page 181: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

H82!1!)

-8286

INSEOE3 :: TZ4"R.SHiff•(X.IX•T•IY•LY•US• Tl".aze6"l

USF :"' <I~SE~E3><'I':SEQEZ><ItlSEOEl><US>f f a PERMSEQ := (T:REALHU:INTRL('flHV:LESSIS<Y .. TJl

( \l: LESSISfi • :o 1U Sf{ t • t;, v, 10 Q :i1 U:ASSOC(Q J]{C:COI'!!oi:JT< Q) H s: SE Hl• IX,YriY•lY•RE:Al >

JCI~S:INSEO<X•!l•T•IY•LT•S> JCPRI:PRDOFSlRRELEVANT!X,IX,Y,IY,LY,REAl•Sl l(PS:PERHC~•lX•Y•IY•LI•S)J

PS 41 ss fZ

tN: HOC SHI fTL) l NS

T3

H

T5

f&

T7 T8 T9 T10

PS a T11

HZ

:• SHIFTSEQ(X,I~,Y,IY.LY,S.INSJ := SAfZ2S5\~•A•C•SHIFTL,SS•

BIJSHIFrS~Q(X,IX.Y.IY.tY,s,INS,PRI,PS)

.. sHiftnn>

:= US(S,tNS•f•SHIFTR(Nl,!NTSHIFTR(N), LSSHifTRt~>.SHIFTRLSCNll

:• SHIFTINY1C~S.T34•R.SHIFT"{X,IX,Y,IY• L r.s. u:s. ·nJ

:• I~SE~El(SriNSrFrSHIFTR{~)riHTSHIFTR(NJ •lSS~!FTRtN>rSHIFTRLS<N>>

:: INSEQEZ<S,!NS,frSHIFTRCN)riNTSHlfTR(N) •LSSHifTRCK>•SHIFTRLS(NJl

:• I~SEQE3<SriNs,r,SH!fTRCM),INTSHlFTR<N) •LSSH!FTRCNJ#SHIFTRLSCN)J

:= l~TSHIFTRC<N>SS> :: LSSHIFTRC<~>SSJ :• SHIFTRLSC<N>SSJ ·- <T3><T9><T8><T7><SHIFTRC<N>SS)><T6>

<T5><T4><NS>PI :: fiS!ClTO<SHIFTLJ,CX•

Sij!FTFCPERHSEQ<S•INS,F>l• [T:lTCCS~IF~L)J<<T>SS>SHIFTF(f),

tT:lTOCSHIFTL>JT10<TJJ

:: ISF<(T:lTOCSHIFTLJlCX,CX• tu:rT:lTO<SHIFTLllCXlSMPR(Q,SHIFTl,U), S~IFTF<PER~SEQCS,INS.FJJ, tT:lTDCSHIFTL>J<<T>SS>SHIFTFCf),Tll)

PS a SATZ286 := T:HStCX,SHPRHPERHSEQ{S,HIS,FhOh S~PR(Q,SHIFTL•tT:lTO(SHIFTLJl<<T> ss~.azssw>SHIFTF{f)),S~PRI<F,QJ,

TlZ-.5286",T2u.8286") ; tX:NATltF:[t:lTOtXJlCX!

HOOF :: ET:lTOCXJJPliO!QOC<T>FJ.Ol

(R:REALl PROPt PROP2 PROPJ

f :il PRO?r. X • f>R!JP5

~ rr:tr:tTOClllCXJ

:: l~SSIStHOD(SUMCX,f)},Rl :: IS<StPHX,HOJHFl hPLHRrOJ> := l~DCPRGP1.?ROP2l :: SC,E•R•ttr:REAL1PROP3CTJ> ·- :~:tr:!TQ(XJJCX;PRCP~(U}

LESSIS! us,.x l ex

: n:~EA:.. HU: INTRUT> lCV:LE:S SIS<Y•T UOI:LESSISCTJOX) ;ex

U :1 TOt SHIFT U l1 TCC SHIF'Tll

: IStSHPt <ChSHifTl;o CT HTO<Si IrTL> l«T>SS>SHHTFtf'l ),. SHPRI(f'",Q))

REAL

INTRU'4 S>

: LESSISt NS~'X) INTRLCSHifTRC<N>SS)) lESSISCY;oSHifTR(<N>SS)l LESS I SC SHIF'TR( <N>SS ),.X)

IS"E•ctTtlTOCSHIFTlllCX•S;IFTFtPERHSEQ(S•I~S,f)), [T :t TOC SHifTU l«T>SS>SHI>Tf<Fl)

ISCSKP~ I<PERHSEQCS, INS,.FJ, Ol• SHPRCQ• SHifTL,[T:lTO<SHIFTLll<<T>SS>SHIFTf(f)))

IS<SHP~ HPE RHSEQ(S• INS,.rJ• 0 hSHPRI<F ,Q) l

: CT:lTO(X)lCX

'PROP' 'PRlP' 'PRJP' 'PROP' 'PRO?•

s

s

- s. 78-

Page 182: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

Tl rz T.l

:= SATZ277([!':c:ocu:CXJFUT~U>rfl !S~SUMC hFJr<XOUTCl )>F> :: IS~00(SU~<1•fl~<XCUT(1)>f•fl) : IS"?.·C~On(SUH(lrr))rMûaC<XOUT(l)>f))

·- U: SS I>I2H'O:; <SUIHlrf) ),"40D~<XCUT C1 )>.f) ,r;n : PROPUlrfrM!:IOC<XOUT<H>f)J

n T5

·- SATZ277((!':CXH:J:CX1PUT,UhMOOFU,.f )) PR0?2<1;FrM00(<XCUHl>>F)l ·- ANDIC~~~PlC!rfr~OD(<XDUf(lJ>f)),

PRDP2Cl•f•~:~C<XDUT(ll>F)l~Tl•f4) PRD?3Cl•f•"COC<XOUTC1l>F>> .- SO~E!{~EALr[I:REAllP~JPJ(l,F.Tlr

HOQt<XOUT{l;>>}•T5) a T7 .- [U:[P:1TDlll1CXlT6CUJ

X a [,:P~OP5(XJJ[f:[T:lTDtPL•N•()(,:JJJCXl T8 := u:ss!::;!l"'';"''X•PL"N•<x.!>.SATZ13A<Xr1J> LF :: LEFTCCX•PL•N"((rllrX.TBrFJ t?.:REA~ltPR:PP.C?3<LF.R}l T9 .- ANOE~{PRC~l<LF .. ~),?~Q?2(LfrRlrPR> Tl~ ·- Ä~;::>EZ{f'R::?H LFr?.);?R:::P2,Lf.:H,.?R) i11 :: SATZZ/8( tT :::; ~HU :c:O?L<T .~ J.X,q T12 :: ISMaCtP~CSGYCXrlfJ,<XDUT(PL-N~cx,l>l>

" TU

Tllt

ns

LHf

T15

T17

Tle T19

TZO

T21

T2Z

FJrSUMCPL·~·cX,l),r),

SYMIS\CX,SL~C?L~N•tx.tJ.F), PU SU~<X .. L1'), <X:! UH PL "N'" ( X .. l) }>F' ),. TU> )

:• MOD<<XOUTCPL•N•<X~llJ>F) := ISlESSISlt~C~CPL<SU~<X·LF>,

<X~UT(?L"N~CX•ll}>r))r

KOO<SU~CFL~~·cx.l>•f}},

PL~R•CHOJ(SUM(Xrlf)),.~),T12•

SATZ271CSU~{X,LF),<XOUT(PL"N•<X,.1J)>r> )

:= TH9•t.OR•<LESS(HODCSUH(X,lf)),.R), Is•R•(MODCS~~(XrLFJ>•R>•

lESS<Pl"R"!MOD(SUH<X.lf)),M)r

:=

::

:=

:::

:: :::

:=

Pl"R·t~ .. ~llriS~R•(PL~R"(MODCSUM(X,.Lf)) rHh Ft .. f! .. t'~riO '• T9• tT:LESS(HQ~(S~M{Xrlf)},R)]

SATZ183FCM~~CS~N(XrlFJ)rR•HrT), (T:Is•P."{MCQ(SUM<X•lf)),R)l ISPtl•R .. <HC~<SUM(X,lf)),RrH,J)) !RLESSIS(HOJCSUHCPL•u•cxrl)rf)), Pl*R~<~GOCSUM<Xrlf}),H),PL•R•(R,M)~

ru, Tl4> Lt~TCCXrFL·~·c:,lJrX,TOr KOOft?t·~·(X,lJ,fil

SATZ278<!ï:CXl{U:C~lPL(TrU>rXr HOOF(PL•N'CXrllrf))

lSPLl<SUX(XrlHFJrPLI(R,Q),Pll(M,O), T10) PLIS12A(R,O,MrOJ ISRECX2tPt•R•[Q,Q),OrPt•ft•(R.MJ• Pl~1-R"(0rOrREfiS<REAL•0))} TR4IStCXrSUM(~t'N"CXrlJo HODF(PL•N~CXrl>rf)),pl(SUM(X,lHf)r

Plt< !o!,OJ ), ?UrU (R, 0 ), PLI OlrO) h PLHPl"R .. CR•~l.Pl"P.,.COrO).), PlltPL~R·<~.~lrO>.Tl&.T1i~T16ri19)

:= ANDICPRDPlCPL·~-cX,lJ~FrPt•R•CRrM)), PRDP2(PL•N•(X,lJ,;,pt•R*(R,M}J,T15r T20>

::: SOMEitREAL,[T:REALlPROP3CPL•N•<x~1>~F~ T>,Pt~q•tR,~l~TZ1)

PR0"4U rf J P?.(i"'5U >

tESSlS .. N"OC ,pL•N"(X,.l} l narct u1cx

PRDi>l C .. FrR> PR0?2(_f"rR> IS<SU~PL·~·(X,1),.F),pl[SJKCX,.LFJ,.<XCU1CPL•N•cx .. t>J>FJ>

IS"R*C~OO<PL<SV~CX .. tf)r<XOUTCPL"~*(X,.lll>f)), HODCSU1<PL•n•cx,1J,flll REAL

[T:lTOC lOlCX

IS<SUMt Pt•N•CXrl>rHCOFCPl*N"CXrl)rfJJ,.FL<SlKCX,.lHFJ, PL!Oir:l J))

ISCPl(iUH<X•LHf),.plJ(H,OJ),pl(PLI<R•O>•PLICK•OJJ) tS<PLC,LilRrOJ,PLICP,.Ql)rPLICPL"R•CRrH>•FL•R•(OrO)))

-5.79-

Page 183: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-8267

+!1288

f i IZl :: ::>UX!:.Itt"'P~ !'lt. AL#[ T: R!:.ALH'I<UI'.HI.t "III'"Lt > p,pRDP4CPL•N·<~ .. l)"F)o[T:REALJ (U:PR1Pl(Lf•TllT22CT.U))

P 3 T25 . f26

•- (U:(T:1TnCPt~n·(X,lJiJCXlT23<UJ ·- !S?<~AT,[T:UATJPRQPS(f),PL•N•Cx.lJ•<X>

suc.rzs .. 3ATZ4A<Xll

x

SATZZ87

!>RO?l

3 ?ROP~ ll t f :r r: 1T o< u l c x 1

Tl T2 T3

H T5

·- <F>IN~UCTION({T:N~TJPRC?S•.szar•(T>• rr·.äzar· .. rr:~ATlru:pqops•.azs7•CT>l TZG".szar•cr .. u>.x>

::: IStPLitMCOCPRCO(~•f}),Q), P~ODCX,MC~F{<JJ)

::: fU:tT:lTOCXJJCX]PROPlCUJ

·- SATZ2l7C[T:CXltU:CXliS(f,U),f) ·- ISMCO(?RC~(l,ë>,<XO~T(l)>f,Tll

:= JsqEC~l<~OOCPRC~<l•tJJ,HOOC<XCUT!l)>F) •lh T2 J

:= SATZ277CET:CXl[U:CXJTS(T,U),HOOFC1"f))

== TRIS2{CX .. PLICHQOCPRCD{lrt)l~Ol• PRCDClr~ûDF(l,f)),?LICHOO(<XOUTtll>f)"

O>rTJ,i4l êJ TS := [lJ:[f:1T!HllJCXli5CUl

X a tP:P~OP2(XlJ[F:tT:1TOCPL•N•CXrll)~CXl T7 := LESSISI1"N"CXrPL·~"(X"llrSATZ16A(XrlJ) LF .- lEFTCCXrPL"N"CXrll•XrT7,fl T8 := SATZ278([T:CXJ(U:CXlTSCTrUlrXrf)

M := HOCC<XOUTCFt•N•(Xrlll>Fl T9 := ISMODCPROaCPL•N•cx.ll•f),TSCPROOCXrlfl

•<XOUTCPt•N•cX,l))>f),f8)

flO == SATZ266CPRODCX•lf),<XOUTCPL"N"<X•1l)> n

Tll := TRISCREALrMQDCPROJCPL"N•tXrllrF))r KOOCTSCPROOCX.LFJ,<XOUTCPL"N"C~,llJ>f) )rTSnR"CMOOCPROacx .. LF)l•MlrT9 .. T10)

T1Z :: ISRECXlCMODCPRODCPl"N•tx,t>•f))r TS"R"CHOOCPROD(XrLFllrHlrOrTll>

LHt == LEFTCCXrPL•N•(XrllrXrT7, HOOf(PL•N•cx.l>•f))

T13 . - SATZ278<CT:CXJ[U:CXlTS<T~u>~x~ MOOF<Pl"Nw(X.l)rf))

T14 := SY~ISCCXrPLI(MOOCPROO(Xrlf)J,O), PROD(X,LMFJ•<LF>P)

Tl5 := 1STS1CPR0DtX .. LKFJr?LICMODCPROOCXrlF))r 0)rPLl(HrO),Tl4J

Tló ·- TSIS12A(M00tP~3J(X,Lfl>rOrH•Ol

T17 := TRIS<REAL,MN~R"CTS~R"CHOO<PR~O<X•Lf)), H),TS~,•{Q.Ql;,~N~R·<rs•R"<KOC\PPOO

PR0~4(,L"N•cx"1>•f>

PRC?5P L .. lli"(X~U J

PROPSC<X>SUC)

SO'!E: "R• ([ T: REAL JAN!HLESS IS 0!00( SUH(X,f > 1 • T ), IS<SU!o'\ x, MO DHFl hPLH T, OJ >))

'PR:JP• 'PR:JP'

: ISC"ROl u,r h<XOUTC U>r> : Is·~·OH!OCPRODCl•Fl J,fo~Q!)(c XOUHU>F})

IS<PLIC HOO( PRODC hf J Jo OJr'"LH MOO(<XOUT< 1)>0•0)) ; IS<?ROJ(l,HODF<lrF)l,PLI<MOOt<XOUT(ll>FlrOlJ

PROPlU ,f> PRO?ZU)

: LESSIS•N•cx,.pt•N•tx,.U> : CT:tTOCXJlCX : IS<PROJ<PL"N•<X•l),f)rTSC?ROO(X~LFl•<XOUTCFL"N~(X•lll>

f))

REAL

: ts•R·C~OOCPRODtPt•N•cx,lJ•f)),MODCTSCPROO(X,LFJ, <XO:JTP L "N" ()(,.1) }>f H)

IS•R•(~OOCTSCPROO(X,Lfl•<XOUTtPL"N•cx,1l)>f)),.

T s·~·('l OD(PRODC x,Lf)), HU

IS<PLitHGOCPROOCPL"N•CXrllrf)),Q)" PLU rs• R•HIOOCPROOC X•Lfl lr Mh 0))

er :trot xncx

IS<?ROJ(PL•N-CX•l>,MODFCPl"N•cx,t>•f))rTSCFROa(X,LMf), PLIOhl)) l .

ISCTSC'ROOCX•LHf),pLICHr0)},TStPLI<MOO(PROCCX .. Lf)),0), P!.Hl'I~J ))) . ISCT3<,LICMDO(PROOC1rlf)),OlrPLIC~~0)), PLH ~,_ .. R,.<T S .. R .. < HOD (PROO<K rLf > l rM h TS,.R .. CO •0 n, PL•!f•H s·'"R" C HOD( PRODCX rln J ,Q h T·S,.R•(O, 14 J J H

s

- 5.80

Page 184: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•6Z8!

+8289

T18

T19

T20

\A"'-l14r.~I!IIVIi,l..l '"' \.C'VU'-rHVLI'\.1'\FI...- #17TI#

,:SM\Z"R"<Ts•R•(Q,QJ~~•

TSw~~cM~OCPRDOIX.LFJJ,Ml•

TSDl·~~ct.O•REF:SCREAL•Ol)~~ ?l02~R~<TS"R~{~O~<PRGOCX,tf}),M),

~!"R~COJ.SATZ176BCO•~EFISCREAL•0)))}

·- TRIStRZZL,PL~R•<TS"R•CHITDtPROOCX~L~)), OJ•IS~RR(O,H}),fL•R•fO.~>~O•

ISDL12-R~<rs~n·<~D:(PRDD<X.LF>>·OJ·O· TS•R•tc.~>•D•TS02"~"CMOD:PRDJCX•LF>J• Q,REr:s~REAL~a;:~TS~l·R~<o,M,

REFt~C~E~L•O>)l•PLOl"R•(O•O• R~:--1 S{ ~EAL~G) l l

·- iS~Et112{~N"R•[JS"~"(HDD!PRODCI•Lf}), H>,TS"?.•{O,Q)J,TS~R~<~OO<?RCó(X,lF)),

Ml~Pt·~~crs•R•CMCDtPRJD<X•lfJ),Q),

TS"R"{!),. i'll >• 0• Tl7, T 18)

:: TR4!S[CX.P~ODCPL•N•(X,llr ~~~F(PLfts•<X•l>•fll?TS<PRQQ(X•LHF)• ?llC~.0)),TS<PLI(~00(?ROQCXrLF)),O),

?L!<~•O>l•PLI<MN"~~<rs~R•(MOO!PROO (X,LFJ),~loT$ 8~"(0,0)},

Pl~R•<TS•R•<MCOCPRG)CX•LF>lrO>• rs•R•(Q,HJ)),pLI<TS•R•CMOO<PRCO<Xrlf)t

IS•R•C~N·R•(fS•P.•C~OCCPRC~(X,tf)),HJ,TS"R"CO•O>>• T S"R .. ("' !Jt)(PROOC Y., lF) >• M})

: IS<PLIC HN•R•ns•R.,( MOOtPROOCX.lf> ),11,), Ts .. R•(O,Q'> ), Pt•R•~rs•R•(MOv<PROO<X•LfJ),Q),fS•R•(Q,H))),

PLIC TS'" R-.<MOiH PR CO <X• tn h Hh 0 >}

,x>, Oh T 13• 115• T16 .. T19J IS<PR!ll <Pt •r.:•cx,u, MOOf(PL •N•<X,llof H" Ptlt TS" R"O!OO<PP.lJD( x .. tn h MhOl)

TZ1 :: TRIS2CCI•PlllM00(PROO(PL•N•(X,1J,f)}, Ol•PRJ~(PL"N•CX•llrMOOF<Pt•N•{X,.ll•f))

,PLI<TS•R•(MODCPRODCXrlF)l,K),.O),T12• T20l

P a TZ1A TZZ

:= tU:tT:lïOCPL~~"(X,1JJlCXJT21(U) := lSP(~If,(T:NATlPRDP2(T),pl"N"CX.t11•<X>

S:JC, TZ!J., SAT Z4AC X) l

x a a

r a

SATU88

PROPl PROP~ PROPl PROP'< tr: n :1 roe 1J lCXl Tl [P:PROPH1•F> J TZ T3

·- <F>INDUCTION((T:NATJPROPZ•.azss•(f)• Tó".S288•,[T:NATJ[U:PROP2".8268"(TJl rzz·.azaa•cr.u>.x>

:: ISCPRODCX.tFl.tOCJ :: SO~E"l"ClTO(X).o(T:lTU<X>JISC<T>F.oOCl) := IFF<PROPl.tPROPZ> :: (U:[T:lTOtXllCXlPROP3CUl

:: TRISlCCX.t<XOUT(l)>r,oc,pRQO(l,f),fl•P> .- SO~EICtTDfl),[T:lTDCllliSt<T>F,OC>•

XGJT<lhTZ' [P:PROPZ(l.oF)JtU:lTQ{llJ(!:ISC<U>f•OC>J T~ ·- THt•N.SI~GLET•<U> T5 •- TR5~S<CXoPRQD(l,f),<XDUT(l}>f,<U>F.oOC.t

Tl.ISF(~TCCl>.oCX•t•XG~T(l},U,

SYM!SC1TO{l)PUrXOUT(lJ•T4JJ,.Il P ~ Tó ·- SD~EAPPClTO(t),[f:lTOCl)JISC<l>f,OC>•

p,p.QPlCl•f),[i:tTGCliJ[U:IS<<T>frOC)l

PROP H"' L •N•( X.ol hF > PROPZPL"N"U.",l))

PR0?2(< X>SU Cl

'PROP' 'PR:JP' 'PROP• 'PROP'

IS<PROJ (l,f' lr<XOUT< ll>F>

ISC<XOJ HU>f,.OC>

PRO?ZCl ,.F)

: PROPlCl•fl

s

-5.81·

Page 185: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T5CT•U>> f a T7 ·- IFf!(PROP1(1,F),PRCP2(1rf),

tT:PP,OPl\l,f)jT3!T)r[T:P~QP2(1•F>l TM T)}

; T8 ·- (U:[T:lTC(UJCXJT7CUl X a [P:P~OP4CXJlCF:tT:lTD(Fl~~-(X,tlJJCXl

T9 .- lES3<::l!l•ï;'"(XrPL~I'"(X•lJ•SATZ184CX•ll> LF := lEfH•:X.Pl"N"<X,l'•X•T9oF') TlO := SATZZ78(tT:CXltU:CXJTS<ï.U1oXof)

[Q:pqQpt(PL-N•<x~l>.F>J

Tl1 ·- TRISlCCX.TSlPROD<Xol.f>o

?~notP~~~·cx,:>,f>~r:o~Q>

T12 .- SAïZ22lC(?R00(X,lF)r<XGUT~PL•Nwcx,t>)> r.nu ·

ri:IS(PROa{X,.LFl•OC>l T13 :: TH3•t..Iff•(PROP1(X,LFl.PROPZCX,Lf},

<tf>P.n tN:tTO(XJJCJ:ISC<N>LF',OCll Tl4 ·- SCc'!:HlTCO't•N•cx,l>l•

tT:lTD<?L~N~(X,!})JiS(<T>F,O:Jr

LEFTlTOCPL•N•<X•ll•I•T9,NJoJJ I a T15 := SO~EAPP<lTOtX),(T:lTJ<X>liSC<T>LFoOCl•

T13,PROPZtPL"N•(X,lloF>.rT:lTO<XJl [U:IS<<T>Lf,OC)lT14(T,Ul>

0 a CI:IS(<XOUT(~t•N•(X•l)}>FoOC)J l16 :"' S!l'IE re 1T 0( PL .. N .. ( )(,1 )),

{T:lTO(PL"N•(Xol))liSC<T>frOCJ, XOUTCPL•N•CX,IJJ,Il

Q ;; T17 •- OR~PP( IS(PRCOU•LI:·),OCl, lS(<XOUTCPL•N•()(,l}J>F',OC)r PR3P2tPL*N•cx,l>•F)rTlZ• tT:IS<P~OJ<XrlF>~OC>JT15CT>, [T:I5(<XGUTtPt.•~•(XrllJ>r~oc>1Tl&lT)l

ra [O:PROPZ(PL•N•<X~l),F)J(N:lTOCPL•N"(K,l>>lt!:IS(<N>r,OCJ J[J:Is•E•ClTOCPL•N•(X•ll),N,1.0UTCPl"N"<X•l>>>l T18 := TRISlCC~,<XCUT(PL·~·cx,t>>>f,QC,<N>Fr

ISF<lTOtPl*N•(X,llJ.CX,f,N. XOUTCPt•N•ct.tJ),Jl•I>

TZO :: SATZ221B<PRCOCX,Lflr<X3UTCPL'"N"(X,lll> r.na>

I a [M:NOTtiS•E•tlTDtPL*~•(X,l>l•~,XOUTCPl"N"(X,l>>>>J Nl :: INNCPt•N"[Xrll•N> [J: IS .. N'"UJh PL,.N•cx,u > l JZ1 :: lSDUTNICPL"N"(XrlJrNlrlTOP<PL•N•CXrllr

rzz

tn rPt. .. ,., .. (X •1) •LE SSI 5 13< PL •N• {X, 1 )).J)

:= TRIStlTO(Pl"N•(X,lJ>~N~OUTN(Pt•N•(X#lJ ~NlYlTDP(PL"N•(X,tJ,N)),

XOJHPL "N"(X, 1)) .. I SOUîU~CPL •N"CX•l l"

PRCPlH rf)

PR0?3U ,.r) PRCP4<1 >

LESSIS•N•(XrPL'"N•<X•l>> (f: 1T 0[ X) lC X IS(PaCJ(PL·~·(X•l>•f>,TS<PROOCX,LF),<XCUT(FL .. N"(X,lJ)> f))

OR<ISP RQD( Xrt.r>.OC >. IS<<X DUHPl•Ji .. ( Xol })>f,OC))

?R0?2U: .tn

: NAT

: IS,.E•U TO(PL .. N.•<X•l )), OUT!f(Pl'"N•(x., 1h Nl• lTOP.tP.!. •N"{ X.l h !U hXDUT<PL .. N .. ( x, 1 J))

llhTZV zs-e:•n TO<Pt•N•CX,l)h l'bXOUTCPL"N'"<X•U» K a TU

T25 NZ TZ6

:= TH3'"t.IHP"<IS"N"<Nl,PL"N•(Xr1JJ, IS'"E"'( lT Ct PV•N•( X• 1) h H• XOUT(Plw~~(X,1J)J,H,

(T:IS"N"(Nl•PL•N*CX•l>JJTZZ~TJJ NIS"N"!Nl•Pt•N•(X•l>J • - OR;: 1 CLES S'":'i" CN1, Pl"~;-o:,l > >r

IS·~-{Ul,PL·~·(X,lJ>•iTOPCPL•N•(X•l>•

NloT23l = SaTZZG(X,Ul~T24J = OUTN<X,~a,T25J : = ISINO!JfN(X,t:t.T25 IS•N .. Cil,.II'\

-5.82-

Page 186: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•8289

.•8289

+Y9

rzs

T29

T.30 f31

T32

T34

I ; !35

T36

o a n1

r a ns

p ; T.39 HO

SATZZ89

U>.IHN(I~,z>~TRLESSIS·~·CI~N(X,N2J•X• Pl .. N .. n:~ l h 1 TCP< Xr NZ h T9 h TZ&) : IS-t•u TO.CPL .. N ... { X• 1 1 h OUT'l CPL .. N .. <X• 1), t.l"

·-

. -

. -:=

==

,Nl~li~P!?L~~P(X,l)r-~)),

lEFTlTCCPL~~·crolJ~X.79rN2J, !SCUTIN\[P~R~·cx.1)•Nl,T27)

IS~tlTCt?L~~:~(X71lJ.cx~r,N.

lEFT!i~(PL•N-iX•l}oKoT9.N2),T26)

T~I5l(CY,<~2>LF,OC.<~>~•i29•I>

SD~E!ClTDCI,,[J:l~DttlltSC<T>Lf,OC),

1T OP ( P. •N•< x •. U, tU hLE FT 1T Q( Pt. •N•(X, U" X • TS• N2 J)

: IS!<"!>"" ,<!IIZ>LF> : IS<<~ Z. Lf • 0 C >

<Lf>Pri3D : PROPl<(•lfJ ::: SAr122l~t?R00(X,lf),<XOUTCPL•N•(X,1)J>

f•T32) 1 IS(TSt~RoO<X•Lf),<XOUT<PL .. N•(X,l>>>FJ,OCJ :: ~Ht .. t. !1'? .. (1 s•t:•(l TO<PL .. N .. {)(,l)) ,N,

XGJTtPt•N•(X,ll)l•IS(TSCPROvCX•Lr), <XO~T{?l~~~cx.tl>>r),CCl•

rr:ts•E~<lTCCPL"~·cx.:>>•N• XG~T(PL~,•(Xrll)}JT2Q(T),

tT:NGT<!S•E•ctTO<Pl"N•<Xrl))rN• Ä0UT(?L•n•tXrl))))JT34lTl) : IStTSC?ROOCX .. tfJ,<XCUT<Pt•N•cx,l))>FlrOCl

:= TRISCCXrPRJ~CPL.N"(J,l>•FJ, T SC PRO!H x, u· h <XOUH Pl.. "N" ( Xrl) J>F hOc, T!OrT35) : PRO?lC~t·N"(Xrl),f)

:= SOKEAPDC1T9CPL"N•(J,1)), tT:lTC(PL•N•(X,1Jlli${<T>f,OC>rG• PROPllPt•N•(X•lJrFJ,tT:lTOCPL•N•(X,lJ) liU:IS<<T>F,QC)lT36<TrU)) : PROP1C'L'"N•<X,ll,f)

:: IFFI<PRGPltPl•N•(XtlJ,r}, PROP2CPlw~•(X,llrF),

CT:PRC?ltPL•N•cx,l),fJJT17<TJr rt:?<;G?2(PL,.N"C(,.l),FJJT37{T)) 1 PR0!'3PL'"N"{X,1J,FJ

·- [iJ: t: i: 1 Bt?L ,.s•c x, 1) > ~ :::0 H8C U) PROPliP l"N•tX•l>) :: ISP<N~T,tT:NATlPROP4<T),pt•N•<X.1Jr<X>

SUC,THrSHZ4ACX>J : PROP'H<X>SUCl

:: <F>INDCCTION((f:RATlPROPft•.8269•(f}, TS•.azs7•7[T:NATl(U:?RCP4·.e~s9-<T>1 TftO•.azs9•(TrUl,X1 : IFftlS[PROO<Xrfl•OC)rSOME-L•(tTOCX>rCT:lTOCXJllS(<T>Fr

oe»> [1: ISC PRODU,f hOC J l SATZZ89A t= TH3•t.IFF•(p~QP1•.8289*,PROP2".82S9",

SATZ289,I) SOKE•L•(tTOCXJ,[T:lTO(X)llSC<T>F,OCJJ ~ :1 tN:lfO(X}J[I:IS(<N>f,OC)l

:: SO~E H lTG<Xh [J: ~TO<lO]JS(<T>F ,.oc>,N • U : PROP2

I a .SATZZ89B :: TH4 .. L. Iff•<PROP1·.szS9,.,PROP2•.szes•,. SATZ 269r T41'". 826 9") IS<PROl (X,f hOC)

a tX:COMPLEXltKIREAllCMI:INTRL(MJl[O:OHCNISCXrOCJrPOS<K>>l

s

s - 5.83-

Page 187: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

[P:POSCH>l .Tl Hl ?iH

= POSI~TNATRL<M•P•Ml) = NTOFRL(!'f,.Tl) = PRQDCHl;[T:lTOCMl>JXi

X~ [Y:CJHPLEXJ[M:REALJ[N:REAt:~I:IS<X.Y>J[J:IS•R•(M,NJ

JtMil:INTRL(H)J[Nil:INTRL(~JJ[GX:OR(NISCX•OC>•POS{Hll

J[ OY: iJR( NI SC':', OC>• POS< Nl >J

OY a [HP:~OSCKll[NP:POS(Nll HO •- Ml{X.H.Hll•OX•HPl N~ ·- HlCY.~.TUl.OY,\IIP) TZ ·- IS~L~NTC~·Tl<X•M•~Il•OX•MP>•N•

T3 Tlt

T5

TT

P a tP1:?0SCHJJ ra

P a [N:NIS(X.OCJl T9

T10

!J a [N:NEGCK)]

·- LESS:s:z·N·c~O.NO•T2> ·- ISS~P~~(7:CXl(U:CX1TStT.Ul.NOo

[T:lTJCNOllY~~O,T2)

:= FISI<lTO<HOJ.CX.tT:lTO<HO>lXo LEFTCCX.~O.HO,T3•[T:lTO{N0llYJ• [T:l T:JC!Hilll >

:= ISf([T:lTOCKOl1CX.CX•[U:[T:1TOCMO>lCXl PRUO<~O.Ul.tT:lTOCMOJJX,

LEFTCCXoHOoHO.T3.tT:lTOCNOJ1Yl•T5>

:: TRISCCX.PWl(X•M•MlloOX•MP>• PRCOC~O.lEFTCCXoNOoMO.T3,[T:lTO<NOJJY)

>•P~lCYoNrNll•OYoNPJoTG.T4J

:: T7CX~X•K•M•REFISCCX•X>•REFIStREAL•K>• HI.JH,Q,Q,p, Pl >

•- THS-L.SOKE•<tTO(Ml),[T:lTOCMl)liSC<T~

[U:lTJCHl>JX,OCJ,[T:lTOCMl>lN) := TK3-L.IMP"<IS(PW1r0C),SOME"l"(1TO<Hl >•

(T:1TaC~lljiSC<T>tU:lTD<M1>1XoOCJ),T9,

tT:IS<PWl.OCJlSATZZ89A\Ml•(U:1TO<Kl>l x.rJl

MI ; Tll := INTABSCMrHIJ N 3 T12 ·- SATZ1~5B(H,n>

T13 :: ORI2<~ISCX.OCJ,POS<ABS<H)JrT12J T14 :: OREl<~IS(XrOC>•PCS<X>rO~NNOTP<H•N>> T15 ·- T10<~2S<KJrTlloTl3•T1ZrT14) PWZ ·- OVC1C.PW1tABSCM>,T1l•Tl3,TlZ>•T15J

DY a [NK:~EG(H)][NN:NEGCN)l PWK ·- PlU(X,ABSOilrT11(X,HrHilh

T13( X • M• 1'11 1• OXr NH), T 12( X • M•KI 1 •!JXoNH)) PIIN :: PWHYrABSOU,TlHY,N,Nil>•

T13CY•~•NI1rOYrNNJ,T12(T.NrNil•OY•NN)) T16 := T7CASSCHJ,,BSCN)rlriSASSCM.N,J},

~ll(X•~•Hll>•Tll(Y•N•N[llr T13(X,. HoHllr OX.NM), T lHY,N,~Il ,QY,NN), T12<X•KrHilrOXrNM>rTlZCYrNoNll•OYrNN)J

T17 := ISOV2CPWMrPM~.1CrTl6• T15CX•~•Hll•OX.~M>.T15CY>N•Nil•DY•NN))

NATRU" l NAT ex

NAT NAT

: IS•Nwc .. O,NOJ LESS I s• N•CH Or NO)

ISC?RDJ CMO, LEFH cx,~;Q,MO,T 3,[T: lT!lCNOJlY> ), PWl(Yr~rNilrOY•NP)}

IS •E•C[ T: 1T 0010 J lCX • tT : lT!H MOl l X• LEFTCC( •t~O.MOrT3,[T:lTOCN) JlY)J

: IS(PIIlt Xrfb Hil•OX•HPJ. PROiHHO• LEFHCl: ,NO, HO,T 3, tT: 1T OC Nl JJY)))

: ISCPlfl[ PJ.PWHPl)}

NOT<S01E•L•<tTOCH1lr(T:1T3CH1lliS<<T>[U:1TCCM1J1X•OCJJ)

NI SC PWl ,oe>

INTRLU BSCH J l POSUB5 00) ORHIISC XoOC ),POS<ABSCKl) > NIS< Xrl C> NIS<PWl uasoo.ru~r13.T1ZhOCJ ex

ex

ex

IS(f'lfK• PWN)

s

s

-5.84-

Page 188: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

UV9

N a rNU:'iEGOO J Tl6

0 ; PW3

N 2 TI9

0 ·~ tin:~Qf(NEG<!U>l T20

NM a T21 i22 T23

TZ4

OY a (NNt'fOHNEGOO)] T25 i2ó T27 T28

OYil TZ9

o a Pil

P a HO

0 a [N:NJT(PCS(M)ll T31

0 a CI:IS•R•(~*OJl HZ

0 a UHtiEGODJ T33

·= =

:=

T17t x~ x,~- t.t .. REFI S<!:: x,.x h REF"l S< REAL .. M h MI,.~ I .. ·s,. C, ~~. N 1 J ITE"'t.~·<~EGCMJ,CXoCTtNEGCM>1PW2(T1,. [T:~c·t~!Gt~J)JlC•tT:~EG(~)ltU:NEGCMll TlBCTo~),[J;~CT~~E~CM)ll[U:~OTCNEGCM))

ISCPWZt NhPWZUt1))

J"!Er::s::::::.Ic~> ex ::

. -

:: ::;: :=

·-

::::

== :: ·-:?=

ITET•L.•·<~E~{Ml•C~,(T:NEGCMlJPII2(T), [T:KDTCSEGC~JJ:l:,:r:~EG<Mll[U:NEG!Hll T 1\3{ ï • :)J , [ T: ':C':t ~::;::.; t )! l >HU: UQH NEG 0! ) ) JF.:::r !5\:x~ 1c J, ~~>

I!Ef"'L. "'"{ NEGOOrCX,. (T: NEG<M )JPWZ{i)" (J:~:Tt\E::~)J]l~•[T:~EG(Xl][U:N[G(M)]

T18(T,U),[T:~JTlNEGCH)J][U:IQT(NEGCM))

JREFiSCC~rlCl.~N)

1Sn!REAlr[i:~EALJUEGCT)~~·~~NHrJ) t l1~ x~~, 'H! 1,. UX··~~;.{) StMIS!CXoP~3(Y.~rNI1•0Y), ? '4 2 ·: ~·,. '·i, 71 I 1" :; r .. ; z:. > , !1Ç(Y~~r~I1"QY,T21l) T~3IS!cx,?·nO:rl'•>.:!l•C)(), PO:Z( x,~,~: h ox, '·P~} .. Pii2( Y r N .. NI 1•0Y • TZ1) ,.p.J(Y,S.~IlrOYJ.T22•T17<T21),.TZ3)

ISPC?.EAlrtT:?.EALlSOT<NEGIT>>rHrNrNNrJ) r z:>< "X~~. ~i h ox.mn TZOC YJ.IirlH !,. OY r 125) TRIS2<CX,P~l<Xr~•~Ilr0Xlr

P~3<Y•NrNll•OY> .. 1C•TZ6rT27J TH1wL.I~P~(NEGCMlriS(PW3CX.HrHl1r0X)r PW3(YrNrNilr0Y)),[i:NEG(HllT24(T}r CT:NOTCNEG(MJJJTZI<TJJ

·- ITE"L.R•CPOSCMlrCXrtT:POS(MJ) PWln.19R(Tlr[T:kOTC?OSCHJ>lPW3•.v9•, [T:PQS(Mil[v:PQSCM>lTS•.Y9"<TrU>• [T:NOTCPOS<H)JJ[U:NOT<POSCHJ)] REFIS<CXrPW3•.v9•1J

·- ITET•L.R•!POSC~J .. c~,.(T:POS(M)lPWl<T),. CT:NOTCPOS(~)JJPW3r(T:PQS{H)ltU:POS(M) lf8(J,.ut,.(T:~OTCPCSIHJ)J[U:NOTCPOS<H))

IS(PW3• 1Cl NEGCN)

: I SCPW 3[ x~M• Mil.oOU, PII2CXrM,. HU,. OX,NM))

: NOTOIE:i(H)) : IS<PII3( x,.H,Mil.oOX>rlC)

ISCPW3[ y,.tbNil•OYJrlCl

: ex

lREFISCCX•Pij]),.pJ lSCPW,~Hl(P))

::: iTEF"L .R•( POSC M) ,:; '<• rT !POS CM JlPWH T>,. [T:h0i(OQS(M))JPW3.IT:POS(M)l[U:P0S(H) lTS(f,Ul.[T:~GT<POS(M))]{U:NOTCPOS(Mll

JREFIS(CX,.PWH,.N> : ISCPW,.:tW3)

:: TRIS<CX.PW.PWJ,1C~T3l<O~OTP<M,IJ)• T20CO~lCi'Hl'l• IJ)) IS<Plhl Cl

:: TRISCCX,.P~.?II3•PH2C"l•T3l(NNOT?(M•N)l, T19CNI I

$

s

- 5.85-

s

Page 189: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

(J .; (P:P[JS(IUJ POSUP

(N:NISCXrOC.J l LEH'iAPMl

0 • CI :Is•R,.C!hO > J OEXP

0 a [N:~EG< !Ol · LO!l1APWZ

LE:M'1APW3

N :1 T34

T35

••V9

MP a Tl& f37 T38

T39

DY a [NP:NOTCPOSCMJ>J T40 T41 Ttt2

TU

:=

:::

~=

== ==

TJo•.v9 .. CP>

TK2"E• N!lT I S .. CCXr PlU,.. V9" <P }j. OC rPIIr HO•. '19 .. (f', N h POSE XP l

T3Z".V9 .. ( I>

T 14,. .1!9 .. 011 T13 ... '(9•(N)

ISCPK(KrMrM4;0J,PRODtNTOr~L(KrPOSINT~ATRL(~,p.HI1lr CT :1 TOt NTOFRLCHrPOS INUAT~ U M, p, MI))> l Xl)

NISCXrl Cl OR<~IStXrOC>•POS<ASSCM)))

·- T33CASSCMJrTlljJ13(HlrT12CN}) IS(PVC(rA8S(H)rT1l•T13(N)),pW1CXrABSCMlrTllrT13{N)r

:: ISOVZCPW(XrA9SCM)rTllrT13(NJJr PHl<XrABS(M)rTllrT13{~)rT1ZCNll•lC• T34,LEK"APW1CA8S(H)rT11rT13CN)rT12lN),.

H200))

T14(N))rT15{N}) : ISCOVClCrP~(XrABSCMJ,T11rT13(N)}rLEM~APW1(JSS(M}•Tllr T 13{ N>. Tl2C NhTl40l))),PWZ(N))

:= T~IS2CCX,PMCXrM .. MI .. OJr OYtlC,PW(X,ASS(M),INTABSCM .. Kil, tEMMAPW3)•LEHHAPW1(X,ASSCM), INTABSCM•Hil•lE~MAPWl•SATZ1668(H,N)" LEHMAPWZ)),PW2•.v9•(N),T33•.v9•(N)r 135*. Y9·" ( N)) ISCPNCC•K•KI .. OJ•OVClC•PWCK•ABSCM),INTAES(M,MIJ,

lEMMAPf3JrlEKM4PW1(X,ABSCM),INTABSCM,MI> .. LEMMAPN3, SATZ16iB(M"NJrLEMHAPW2lll

:= ISP{ REA Lr[ T: REALlP.OSCT hH•NrMP,J J : POS OU :: T30CX•I1• MI b OX,KPJ : ISCPWU: ,.pt,.lf I1rQXJ,PMU x,. M• Mih OX, MP)> ::= SYHISCCX,PWCY .. N,Nil•DYJr

PW1(f,N,NI1,.QY,T36l, T3îH y,. ~b NI h OY r T36)) : ISCPW U 'hN• NI l"oy ,r 36),.plf(Y•N•Nil•OY H

== TR3I SCCX .. Pil( x, K .. Mil• QX),. PWl<X•M,Mil~Ox~HP>rPW1(Y~N,.Nil•OY•T3ó) ,pW(YrNrNil,OYJ,T37,T7<T36lrT38> : IS<PW((,K,Mil"QX)rPW(Y,N,NI1rOYJ>

:= ISP<REAL~[T:REALJNOT<PDS<TJ)rHrNrNPrJ) : NOTCPOS(NJ) :a T .$1( X• H• Mll• OX•NPl ISCPMU rHr!HlrOX hPW3( XrM~ Milr OX))

=· SYHIS(CXrPW(YrNrN!lrOYJ, PW3( Y, N"t\I lr OYJ, T3H Yr Nr NilrOY rHOH : IS<PW 3[ Y,N" NU, DY hPIH Y,N, NilrOO)

== TR3ISCCXrPWiXrM•HI1rOX>~ Pli3( x, Mr MI lr OX h PWH y, NrNUrOYJ" PWU, NrtHlrO'O • T 41• TZ9r T!fV IS(PWU r)!.M IlrOX ),pwn, Nr!l IlrO.YJ l

s

s

•V9 S

DY; ISPK1Z :: THt•L.IMP•(POSCHlriS<PWCX,.MrHI1rOXJr PWCYrNrNI1rOYJ),[T:POSCHllT39".V9•(f)r [T:NOT<POS<~))]T43~.v1w(f))

H ; ti:ISCI•Y>JtHIJlNTRLCHJJ(OX:OR(NISCXrOC)•PJSC~,, lCOY:ORCNISCYrOClrPOSCM))J

·ISPW1 := ISPIU2CXrY,.M•Kri•REFiS<REAl•IOrlfhMI • ox .. on

X a [H:REALJ[~:REAlJCI:IS"R"(M•N>l[HI:rNTRtCHllC~I:INTRl(N)

- 5.86.;..

Page 190: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•929)

-929)

•9293

JlUn>UK\~L~\~•UÇJ,~L~\MJJJlUN<L~\Nl~\~•U~I•FU~\NJIJ

ISPVZ ·- IS?~ll(XrXr~·~·REfiS<CX,XlrirMJ~NI,.OMr

[P':PDSOOl Tl

; [l:ISClCrOCll TZ

a 1NOTl

N a ti:xs·~~(~.o'l T4

N a tNMUIEGOO l ?0 T5

T7

ra

H <I SATZZ93

X il lEM!tAZ91

1A

Tl T2

n Tl't

OtH

.- TR3IS<REAL~lRL•RE(lCJ,RE<OClrOr ISR~(lRLrv)•!SCEREClC·OC•Il•REISCOrOl> : Is•R•(lRL,Q)

·- THl~L.I~?~EISClCrO:}.IS~R•CtRlrOlr PNOT0(lRL,~QSllr(T:IS<1CrOC>l TZ ... 9290"1: n >

:: THZ•E.NOTts•ccx.lc.oc,pwcx.M.HI•D>• lNOTO.OEXPU))

NIS< IC• oe)

·- PW(X,ASS<MJ.INTABSC~.MilrLEMKA~W3CNM>> : CX ·- LEMKIPMlCXrABSE~J.I!TABSCMrMIJr

LEH~APW3(N,)•SATZl&&B(MrNM>• LEMl'IAPWZ<N~>) : NIS<PO,.OCJ

:= TRIS(CXrTSCPWCXrM•MirOlrPO>r TSCUV! lCr?O,. T5hPO)r lC• IST51(PH{X•M•»I•Ol·OVC1C•PO,T5J,pQ, NEGE JC!>( NIO h SA TZ2Z?E: <lC ,.pQ,.T5)) IS<TSP lH X .. M,.Ml,.Qh POl .te)

== THZ·E.~CTIS~!cx .. tc .. oc.rscrwcx.M .. MI·O>• PO), 1N'JTt\,. i6)

:: TH3"t.IMP•(I5(P~{X,M.MI,QJ,OC)r IS<TS(?~(X,K,MI•D>•?OJ,OC>•T7• tT:!Sf?K(X,M.HI,OlrCCJlSATZZ21AtPMCX, M .. Kt ,.Q)..f'O• T) J

:= RA PP ( H, :tiS (p \f( x .. Mr MI ,o hOC), tT :POS Of) J T1~.9290•<TJ,(T:Is~R•(H•O>J

T4~.9290-\T).,[T:NEGCMJl18".9290•(f))

:= ORI2<NIS(X,OC>•P0S(1Rl),P051)

J= NTOFRLClRL .. POSINTNATRL((RLrPOSl; INTRLl)}

:= POSE~P(X,.1RlriNTRl1•LEMMA291.POS1J :: TRIS{NAT•l•l'HOfRUlRL•NATRllh

NTOrRL< lRL.~>OSHITNA nt< lRL,.POSh !NTRL1J),JSNTRL1(1)• ISRLENTClRL.NAtRtl.IRL• POSinT~ATRLClRL•P~Sl•INTRLl)• REF1SIREAL~1RLJ}J

:: LESSIS:Z~N-t1~1A~f2) := lSSHPR((T:CXJ(U!CXlTSCT.U>•lA,

[T:lTO<lAJlX•l,T2)

NISC PW[ )(, H,. HI,O) rOC) ORCNIS( x,oc ),POSURL))

NAT IS<P~{(,1RL,INTRLlrLEMHA291),pROD<1A,[T:lTC<lAlJX))

: IS .. N•U ,In I.ES::i IS" N"'ct,lAl

: IS(;!>ROJ U .. LEfH CX .. 1A•l rT 3, CT: lTOC lAJ lJO h PP.O!)( 1' ,.[T: 1T3( lA)]X))

s

s

s

. s

- 5.87-

Page 191: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•929?

+tr929Z

x ~

x 41

N a

TS

T6

SATZZ91

:= SATZ277(tT:CX)[U:CXlTSCT,uJ, lEFTCCXrlA~l#TJ,[T:tTD<lAJJX))

::: TtUSHCX,PROOOA,. t r:! .,.0( lA) lX h X • PRCOCt.LEFTCCX•l&~l,T!,(T:lTOClAllX>J, T4.TS)

:: TRIS(CX,?WCX,lRL,INTRL1,LEMMA2?1l• PRDDC1A~.929l~,[TI1T0(1A"•929l•JJXJ•X• T1".9Z91 .. ,TG ... 9291•)

CY:CXltM:R[ALJCMI:INTRL<~l J[Q:O~CA~D<NISCX,OC>•NIS{Y.QC)J,POSC~lll

tA:ANOCNISCX•~Cl,NISCY,OClll T1 :: AtDtHN!S(X,QC),NISCY,QC),.A) T2 ·- AN~E2tNIS<X,OCl,N!S<Y•~ClrAl T3 :: SAJZ2210(X,y,.Jl,T2J

LEMHA292A

LEI1!fA2?28

LEKMAZ9ZC

UUNAT] NR T4 n

PO Tó

NO

TT

T8 T9

no

T11

Nl Tl2

: = THT .. t... OR•UNlH NI 5( x,. OCh NIS< Y•OC) h POSCHl,NIS(X,OCJ,.O•CT:ANOCNIS<X,OCJ, ~IS(Y,QC}Jjr1~.929ZwCTl)

:: TH7•t.OR•CANOCNISCY.,.OC)r~ISCYrOCJ)r POS( !U,. NIS('(, OC J,. Q, Cï! AlfiHNI SU•OC ),. NIS<Y,OCJ1JT2".9292•<T)}

:= TH7•t...aR•(ANOCNISCX,.OC),NISCY,.OCl), POSCM),N!SCTSCX,YlrOCJrO• (T:ANOCNISCX,.OCJrN!SCY,.OC)Jl n•.n9z•<r>>

:= RLOfNTUU :: NArt NT.RL<NRr NATRLI (N)) ·- ORIZCNISC~rOCJ,POSCNRlr

NATPOSCNRrNATRLICNJ)) ·- P'!ICX,.IlRrT1uT5J := TRISCCXrPOClJ,.PWCXr1RlriNTRllr

l.EMHA291CX)J,X,.IS?WlCXrXr1RL, REFISCCX.IJ,INTRllrT5ClJ,lEKMA29l(XJlr SATZ27HXl >

·- NTOfRt.C llRr POSINT NA TRL( NRr NATPOS (NP,, NATRli<N JhT4))

·- TRIStNATrNrNTCFRLCNRrNATRL!(N)),NOr IS~TRLl(N)riSRLENTtWR.NATRLI(NJ,NR• POSINTNAT~L!IR~~ATPOS<NR•NATRLICNJ), T4l,REFtSCREAL,NRJ>l

. := LESSiStz•N•<N•ADrT7l := PCSEXPCX,.NR,T4.TS,NATPOS<NRrNATRLl(N))

) :: ISSMPR{[T:CXJtU:CXJTS(f,UJ.~Or

tT:lT0(N0)JX.NPT7l

:= TRIS2CCX,POoPRnOCNoCT:1TOCN>JX)r PRDO(NO,[T:tTO(NOJJXJ,f9•Tl0)

::: PL•:-I"<N•l> ;: lESSISI1•N•(N,Nl~SATZI8A(N.!)J

ISC?R::J) U .. u:nt CX .. U•l•T3• [T: 1TOCl.U JX> hX)

I S<PROJ <lA• (T :1 TG U AJ l XhlC l

NISCX .. ) CJ : NISC Y .. ) CJ : NISCTSl x,n .. OCJ

: QR(NISC XrOC hPOSCMl)

: REÁL : INTRLU R)

OR<'HS( x .. oc hPOS<NRH ex

: IS(F'0<1 ),X}

NAT

Is-N•n ,NOl U::SSIS•N•(N,.NO>

IS<POr~ROO<NO,[T:lTOCNO)l{))

IS<PROJCN,LEfJ{CX,NO,WrT8otT:1TOCN0)JXlJr PiWD<,.l ,.[T: 110( NO)JX))

IS<PO ," ROOC "" n: 1TO(N) lX)) NAT LCSS IS .. ~"(N,Nl)

s

s

$

s

-5.88-

Page 192: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T13 . -

T14 :: Tl:i ·-

TlS == y ~ (N:"lo\T l

?'lGP1 ·-y ; T! 7 :=

Tl3 :=

N • [P: P~Of'l( N)] T19 ==

rzo ·-

TZ1 ·-

TZ2 :=

T23 ==

T24 :=

T25 ·-N ~ T2G ·-0 - PR:JP2 ·-

[!':P'JSOOl T28 ·-MJ ·-T29 ... T30 := T31 ·-

SATZZ?B<CT:CXJ(U:CXlTSCT~u>~N,

CT: 1 Hl C:'il > JXJ

ISTS1CPOoPRO~CNo[T:lTO<,>JXJ,X,Tlll TRIS2fCX,?~00{Nl,[T:!r~CNl>lY.>~

T S< PC • :0 • r SC PnGJ ( N• CT: 1 TQ ( N lJ :o' X h T13rT14) TR!SCCX•POC~1lrPRC9CNlo[T:lTGCN1llXlo IStPOoX>oT1l(Nll,lt5J

IS<PG<TS<X.~J.~>rT~CPOCXoNJoPO(T,NJ))

ISfSl2(?Jrx.1'·X·PO~Y·l>•r,rscx>.TGCY> )

TRIS2(:X,?OCTS{XoYlrl>•TSCPO<~•l>• POCY•l>>•TS{XoYloTS<TS(XrYlloT17)

ISTSl(DQ(TS<XoYloN),TSC?O(X,N),pQ(Y,N) loTS<XoT)o?l

TR3ISCCXoTS<TS<POCX.~>~POCToN)l~XJo TSCPOCKrN)•TS{P~[ToN)ri)),TSCPGCXoMlo TS(X, POC 't, :o) ), TSCTSCPO{':(,!; >• X),

POCY~N)J,ASSTSlCPOCX,~J.POCYo~lrX>• ISTS2tTSCP0CYoNloX)oTSCXoPOCY,N),, POCXo~lrCC~iSCPOCYoNlrX>>• A SST S 2 CP IJ C :<. ~~ l, X • P \H '!', ~ ) ) ) TR3IS<CX.TSCTSEPOCX•~>.PO<Y•N>>• TS{;(, y)), T S< TSCTSCPOCX,'lloPO<Y,N )),.IC>~ Y>oTS<TStTSCPOCX•Nl•X>•POCY.NJ)rYl" TS(T $( POO::.N J. X), T SC PO< Y, ~~),. Y>), ASSTSZ<TSEPO(X,NloPO<Y•N>>•X•Y>• ISTSlCTSCTS<PO<XrN),POCY,NlloX), TSCTS!POCX•NlrXl.PO(YrNlloY,TZOJ• ASSTSl<TS<PO(X,NJ.XlrPOC~oNlrY))

TR3ISCCX,POCiS()(,y},N1CN>>• TSCPO\TS(X,Yl.NloTSCXrY)Jo TS<TSCPO(XrNlrPOCY.N)l,TS<X•Y>>• TSlTS{PO<X•NloXl•TS<PO<Y,NJ,Y)), T1SCTSCXoYl•Nl.Tl9~TZll ISTS12CPOCX,N1CN)),TS<PO{Xo~J.X),

POtY.Nl{N)J,TS<PO<Y~N>oYloTlG<X,NJ•

TlG<Y~ ~n >

TRISZ< CX.PO< TS( X• Y>, N1 00 h T SCP()()(, Pil<N l hPO<Y, :HOl>> h TS{TSCPO(XoN)oX),TSCPOCY~NloY)),f22• TZ3> ISP<NATo[T:NATJPROPltT>•NlCN),<N>SUCo T24• SA TZ4HN )} INOUCTiGNC~T:NATJP~OP1CTl,T18•[T:NATl (U:PRC?1{TlJTZ5<T•Ul•N> IS{PW(TS<X•Yl,KoMI•LEMMA292Clr TSCPWCX~M.~I·LEMHAZ92Alo

PH<rrM,Miol~MMAZ92B>>>

POS!NfNATRLCHoPoMil NTOFRLO!,i28l IS':UHH!",728l ISRLt.IT20t.>T23> ISPH2CTSCXoY)oHrNRCHO>•T29~Mio T4,TSCX,fJ,HO>oLE~~A212C.T5CTSCXoY>•

I SCPRO) OH• (T: 1 TO<NlJ J X> oT SCPRC!H N•LEf TC CX •Nlo N• TlZ• CT :1 T 0( N l> l X> h X > ) ISCTS<~OoX)oTSCPROO<N•(T:lTO(NflXloXl>

IS<?ROJ CN1r LT :1 T CC NUl)(), T S( POoXJ >

ISCf'O(': lloTSCPO< NJo X))

'PR:l?'

PROP 1 <1 )

• ISCTS<~O<TSCXoY>•NloTS<XrYll.TS<TSCPO(X,N>,POtTrN>>• TS\X.rYJ))

I SUS Cf S(PO <x, N hPO <Y, NJ h TS<Xo Y )) .. T S< TS< PO< x, N h XJ, TS<POCY •NhYJJ)

ISCTSC'OCX•Nl(NJ),pQ(YoNl(N)J),TS<TS<PO<X•N>•Xlo TS<POCY ,NJoYlH

PROPl('l 1CN>)

PROP H< N>SUCl

PRO? 1

'PROP'

riATRL<'I > NAT

· rs"~ .. <'I.NRO!Q)) : lS•R•(t ROIO ),H)

- s. 89-

Page 193: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A
Page 194: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•9292

+929:1

TSZ

TSl

TH

f55

T56

T57

rsa

D a SATZ292

. ; UURE:ALl LEI'lMAZH [Hl: INT RL( KJ l

Tl

Hf TZ T3

T5

: ,-::;: NEGEXP( TS( X• '() • }!•MI •lE ~MA 292C • N>

::-c: ZSOVI2Clt•TS(lC•1Cl•PWtTS<X•Y>•A8SCK)r T :Sór Tt. H, iS< PIH X,AI':ISU!.) • T :SG .. f41J • ?iH 'r, .1,350! h T 3&• 1'42) > • S AT Z22211( 1 C) • 147, TSO, TSH

:;"'t: TRIS(CX,PH(TS<X,Y>·~•MI,LE~MAZ92Cl• DVt1C,fW{TSCXrT>r~6S(M),T3~,T43},T50), OVtTSClC•lClrTS{?~CX•ABSCHl.T36.T4lJ• PW(YrASS<H>•T36.T42}J,T5ll•TSZ,T53)

=~ ISTSl Z<!'lH '(, H,.lH ,.u:~MA292A h 0V(1CrPW[I?ABS(MJ,T35oT41J~T48), PiH Y,; M·MI• U: :-;)1429213} rOVC lC•PII( y, ABSOO r13&rT42JrT49),NEGEXP(X,H,HI, LEHMA29ZA;N)oNEGEXP<Y•M,MI,LEMMA29ZS• !i))

:;r: SATZZ47<1=,p~(X,.ABSCH),T3&,T41),.1C• P~<Y•ABS<MltT36•T4Z>•T48rT49J

:s TRISCCX .. TS{PW{XrK,KI•lEMMA292AJ, PW[ Y, K, MI, lE !-!'~AZ 923 J h TSC01(lC•P~(X,A35(H),f36,T41JrT48l• OV!1C,P~(y,.ASS(HJ,T36,T42)•T49)),

OVtTSC1C~tCJrTStPW<X•ABSIMJrT3&rT41lr PW(Y,ASSCHJ,T3órT42)JrT51JrT55rT56)

:• TRIS2!CXrPWCTS<XrYlrHrHI,lEKMA29ZC>r TSCPI<X•~rMl•LEM~A292AJ• FiiCY, !h 14!. LE MMAZ 929 l ), iJHTS< lC ,tch TSCP~<X•ABSCMlrT3&rT4ll"P~CYrASSCH)r

f3&,. T42) h T51 J,T54rT57}

:• RAPPCMrPROP2•.9292•,tr:~OS(M)] T33~.92~2*<Tlr[T:ts•R"{M,O)l

IS(PWCFS<X•Y>•~•MI•lEKIA292C>•OVC1C•PWCTS<X•Y>•A8SCMl# T3!;:,T43 ),TSOH

ISUlVH c,P\1 <TSO:• n,. :.as on rT35r T4 n .. TSO hOVC TS( lCdC h TSCPW(~,A8S(M),T3ó,T41J,P4(Y,ASS(M),T36,T42>),r51l>

: !SCPH{fS(X,Y> .. ~.~IrlEMHA292CJ,OVtTS(lC.tC>• TSt?W(~,ABSCMl.T36•T4l),p~(y,A3SCMl,T36rT42J>,TSll)

IS<TSl,V(XrMrHI•LEKMA292AJrPW<Y•~•MI•LEMKA292B1J• T~(~VC1CrPI<XrABSCMl,.Tl&,.T41J,.T46Jo0V(1C•P~CY,.ABS<Mb

T3ó.T42hT49Jll

IS{TSClV<lC•PW(X,ABS<M>•T3&rT41JrT48),QV(lC•PWCYrABSCK) .. T36rT~2),.T49>JrCVtTS(lC,lCJrTS<PW(X,AES(HJ,T36,T41>• Pli(Y,. A~ SOU" T3&,. 142) h TSU l

ISCTSC~WCXrH,HI .. LEHrA292A)rPWCYrMrMI,LEHHA292BJ)• QV<TSC1C•lC),TS(PMCX .. ASS<~JrT36.T41JrPWCYrABS(HlrT36, T42) hT 51))

: PROPZ

T35•.9292~(T)r(T:S(6{MJlT58".929Z"<TJ) ISCPWCTS!X•Y>rM•MI .. LEKMAZ9ZClrTSCPW<X•MrMirLEMHA292Al• PII<Y • Hr 111 •LEKMAZ92B))) .

:t• 0RI1CNISUC.OCJ .. POS0th1NO.TOJ ; ORCSIS[ lC .. OChPDSCMH

:• ORI1CAND(NISC1C•0C},NISC1C,QC)),p0S(M) ,ANOlC~IS(lC•OC>•NISClC•OCl•lNOTO• 1NIHO> l

:• PW(lC•M•MI•LEMMA293) :• SATZ222<110 1• ISP~l(lC.TSC1C•1ClrM•SATZZZ2AC1C),M!•

lEMMlZ93•LEM~AZ92C<lC•lC•H•HI•T1)) :s SATZZ92( lC•lCrl':,!fl;T 1)

:• ISTS!Z(Pk!lC•H•Hi•LEMMA292A(lC•lC•M• HI•Tl}),IM.PWClc .. H.HI.

OR<ANO[ NIS( lC .. OChNIS< u:.3CU .. POSOO J ex

: ISCfS(lM;1C),1M)

ISUM•'" 'li<TS ( lC•lChH•MI•LE: MMA29.2CUC,1CrM• I' I • Tl J n IS<PK<TS<lC.1C),!'.MI•LEHH,Z92CC1C•lC .. H,MI,T1J); JS(PW(lC•M•MirLEHMA292ACl:•lC•M•H!•TllJ• PK<l C ,.!'I,Hl,l.EMMA29ZIH1 CrlC .H.IlhTl))))

s

$

-5.91.-

Page 195: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•9291

TS.

f7

lEKMA29ZB<lC.lC•M•MI.Jl)J,lM• IS~HlClC•lC·~·REFISCCX•lCl•Kl• UHMii292A< lC, !C, !h rl! • Tlh lEXMA29 3), ISPMl(lC•lC•~•REFISCCX•lCJ~?I• LEMKAZ92BllC•lC.H,HI.TlJ,LEMSA293J)

·- TR4IStCX,TS(1H•lCJ.lM•PWCTS(lC•lCJ,H• MI.LE~~A?.92C(1C.lCrM,MI•fll1• TStPH~lC•M•"Ir~EMMA292A{lC•:C,M•Ml~Tl) JrPW[lC•~•MJ•LEM~A2923ClC•lC•H•Ml•TlJ) ) , iS.~ 1 K.- ! H } .- T 2,. T 3 P 7 4, T 5 )

:: TR!S(CX•TSCl~•H~(l~•lC)J,M~CTSClM•lM), TS<l~.:cJJ.~C.DISfTH2<1~·l~•lC>• SAïZ21JiHTS\ illo!U·T5(1":•1Ch SYKISiCX.TS!lMo1C),TS<lMrlM),T6)))

:: OREZ<:S{lM•0C)•ISCMNC1M•lCJ•OCJ• SATZ221C<1M~K~ClH,lC),J7),

SATZ290(1C•M•MI•LEMMA293•1NOTOJJ

SATZ!93 :: SATZ213AC1M~.9293•,~c.re•.9293"J X ~ [M:REALlCM:REALl(MI:INTRL(M)][NI:I~TRLCN)

l(O:aRCNIS(X,OC>•ANO<POSCMJrPOS{N)l>J

U :AN!)[ POS< K).o POSC N))) T1 I= AND[lCPOSCK)•POSCNJ,A> T2 := ANOE 2( POSC tl h PDSCN hAl T3 := POSPL<M•llh•T1•T2>

LEM!'I'A294A :: THB•t.OR~(NISCX~Ocl,ANJCPOSCMJ,.POS(N)) •POS(M),Q,.(T:ANDCP~SCHJ,pQS(NJll

ISH S<" SI ClC, ?!•Hl• i.E t'ICA 29Za. HC. IC, lf .. lH, TU h P WU C.lf •MI• lE"':iA292 B<l C•l:::, lof. MI~ T 1) J h TSC lh• U!J J

IS<TS <1 M•lC hTS (lM, HOl

: P0$('4} POSCNJ

: POS(PL"R .. CM.tU)

Tl".9294'"<T>> : OR(HIS(X,.OChPOS(M)) lEMMA294B

LEKHA294C

0 ; PROPl

A a Ml Nl Tlt

1'1

rs

:: THS•t.G?•<NIS<X•OCl•ANOCPOS<M>•POS(NlJ .PGSCN>?O.CT:ANDIPOS<M>,POS<NlJl TZ ... 9Z94•CJ)) : OROUS( x .. oc hPOSUU)

:= THS•t.OR•<NIS(X,QC),A~D(POSCM>•POS(Nl) •POS{~L~R•<M•N>>•O~IT•ANO(POSC~>• POSOi> )JT 3•. 9294 .. 0 J l OROUSC X,.QC hPOSCPl.,R'"(H,N )))

:: ISCTSCPW(XrH,KI•LEHHA294A), PH(X,N,NI•LEM~A2948}J,?~(XrPL"R•CHrHJ,

INTPL(~•MI•N,Nl)rLEM~A294Cl) := NTDFRL(M,POSINTNlTRLC~-Tl,HlJJ := NTOFRLCN.POSINT~AJRL(N,TZ.NIJJ :: ISTS12(P~(X,M.KI,L~M~A294AJ•

PR00{M1,[T:tTO(H1JlXJ, PlH x,. !h ~U • LE Ml"A294a h PRODCNl•tT:lTCCNlJJX)• POSEXPCX,HrM!,LEM~4294ArTll• PCSEXPCX•I•NI•LEMNI294S,T2J}

:= NTO~RlC,L•R•<H•Nl•POSINTNATRlCPL•R* (K,N),T3,I~TPL(M,HI,N.NIJ))

:: POSE~P(X,PL"R•c~.NJ•I~i?l(~,MI•N•NI).o lEM~A294C• T3)

: 'PROP' : NAT

NAT

ISCTSC~WCXrH•HI•LEHMA294AJ,pW(X•NrNI•LEMMA294BJl• TS<PROJ OH.CT:lTCCHlllXlrPRIJDCNt.(T: 1HCN1 JlX)))

: NAT

s

s

- 5. 92-

Page 196: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T7

T8 T9

TlO

Tll

TlZ

T13

T14

·- TRISC~EA ~PL"R"t~•~>~Pt•R"<RLCFNTCMl>~ R~~FNT<N '>~RLOFNTCPL~N•(Xl~Nl>>• ISPL12"R CH•RLOf!'<HMl>•N~RLOfNHNl)~ IS~L~!l{l~~~OSINTNATRlt~.Tl.M!))~

IS~~~T1<M-~C5INT~,ATR~(N•T2•X!)lJ• ~A7ZR155tJ(;Jl,.~l.J i

:= TRIS21~AT#PLRX~C~l.~l1~P1# NT~~~l!RLOFN![PL·~~C~l#Nl))~

:~:T?~!Y.:~z,N,NI)'~~LCr~TCPl"~~(~l,Sl))

,N~T~LI(PL"N~(t1l,Nlll•T6})

:= LESS!SI2•N•[pL·~~C~l,~llrPl~T7J :~ !SS~?R((T:CXl~U:CX1TS(T,u:,?1,

[T:IT~{Pl>JX~Pl"N•t~l~Nll#T7)

:= TR!S2CCX,PlHX.oPL~?.•(p.o,'i)# IP:TPL(~,MI,N•N!J,LE~'!A294C},

P~C~\?L"N•(Ml~Nlï.rT:lTCCPL"N"CMl.oNl )) 1Xl,PRJJ(Pl.o(T:lTO<?lllXl,T5~T9l

:: LESSIS!l"~·CMl~Pt"N•(Hl~Nll• SATZ13M Ml.•Nl >)

·- SATZ281C[T:CXJ[U:CXJTS(T,U>,ASS0CTS• Hl,Nl#(i:lTO(PL"~~cMl.oNllJlXJ

:= TRISCCX.PW(X,PL"R•(H,n>, II\TPU M~ MI•N• NIJ .. LE!'l~A294C J. PR~O<fL•N~{Ml#Nllo[T:lTDCPL•,•(Ml,Nll)

lKl•TS<PRCJ!~l,[T:!TCCHl)JX),

PR30C~l.o[T:1TOCNllJX)loTlOoTl2)

•- TP.IS2CCX,TS<PW(XoMoMI•LEMMA294A)• PW(X,N,NI.LEMMA294B)J,PW<X•PLnR"CM.N), INTPLCM.HI•N•Nil•LEM~A294CJo TSCPROO!Hlo[T:lTCCMl}JX), PR~JC~lo[T:lTOtNlllX)},f4•Tl31

0 ~ CNA:NQT(ANDCPOS<Ml.POSCN>l>J Tl5 ·- ORElCNISCX.OC),A~J(PCSCM),pQS(Nll•O•

NA> Tl& ·- THtS•L.oR•cPOSCHl•POS<NloNAl

0 ; AM :: ABS{Hl AN ·- ABSOH AP := A95(PL•R•(HoN)) T17 ·- IN!ABSCM,MI) T18 •- INiA35(N,Nil T19 •- INTA9SCPL"R•(M,N>.INTPL<M,"I•N•Nl)l

NA a [NH:NEGCM)J[NN:NEGCNll TZO := AND!CPDS<AHloPOSCAN),

T21

TZZ TZ3 T24 125

SATZlóó(CM•NNOTO(M,~Mi),

SAT:l&&ECNoNNOTO<N.~~))) ·- CRt2{~!SCX,OCJoA~:<Pn5<AH},POSCA~)),

Té:Cl ·- LEKMAPW3CX•~•HloLE~~A294AoNM) = lEMMAP~3CXoNoNI•LE~~A2949•NNJ = l~M~A294ACX,AM,A~•il7,TlS•T21) = LEK~A2?~eCX•AM.AN•Tl7.T13rT2ll

PROD<PloCT:1TOCP1JlX>>

Is·~·<'L"N"CMloNlJ.oPll LESS I s• N• {Pl"S"" C Hl• Nl) ,pl)

ISCPROJ CPL" ~·on .Nl hLEfTC CX.Pl,PL "N"( Ml•N 1 h T8, [T:lTOCPl>lXJl•PRDO<Pl•CT:lTOCPlJlXJJ

ISCPWC{#Pl"R"<M•N>•INTPL<~·~I•N•NI>•LEM~A254Cl• PROOCP."N"CHl,Nll•[T:lTOC?L"N"(~l•NlJllXJJ

ISCPROl CPL"N•on •Nl >• ( T:tT O<Pl"N"O! t.Nl)} lX J. TS CPROJ t!'ll# LEFH CX• Pl." ti•0!1,N1 J. M 1, T 11• [T:1TOCPL"N"CMl.~l)JJXJ),~RGDCN1.RIGHTCCX,~l.oN1, n :1 !Q[ PL "N"< Hl• NlJ )]X)))}

ISCPW(t,Pl"R"{H,Nl.INTPlC~.MI,N,Nil.olE'-MAZS4Cl•

TSCPROJCMl,[T:lTO<HlJJXJ,PROOCNl•[T:lTOCNlJJXJJJ

PROP 1

N ISC X ,3 C) OR<NOTlPOSCHJ),NOT<POSCNJJ) REAL RE:-.L REAL HIT~ UA Hl I:HRL<' Nl Ii'HRUA P)

OR(~ I SC X ~oe b !.NOC POS< A HhP OS<AN))) CRCNISCXrOC>.PCSCAKJJ ORHHSl X•OC hPOSUN)) ORC~IIS[ XoOC ),POS <AIO) ORC'HS[ X•OC >•?OSCAr-DJ

- 5.93-

Page 197: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A
Page 198: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

UV\1~,~~\A•A~~Ila•iC,1•!~~~~,

OV\TS<lC.1ClrTS(?~(X~~~.Tl7,T22l•

pw~x.An~rta.rz3>>.~3:l. CV(lC·P~~X.Af,T19.ï3aJ,T35), PN(XoPL·~·cM-HJ,[NTPL[M•KI,N•NIJ•

lEM~AZ94C)~T3SrT3a,T3?,T40) : PRO~l ~A~ [~~:~os<~>lCNN:NEGCN)J

Tt.Z ·- .LEI'I"!.\PliHX,.N,)IJ,U:~~A2943,tPO : ORr'HSl r.,OC),.POS<UJ> T43 :• LEMMAPWl[X,AN,Tl8•T42•SATZl&&BCN•NNJr

LE~MA?~2(X,~.NI•LEMK~294B•NNll : N!S(PNCI•A~•Tl8•T42l•OCJ

H5

H6

UT

[CASEA:KG~ECM,AN)l

T48 Tt.9 T50 TH

T52 T53

T54

T55

T56 T57

T58 T59

TóO

T61 T&Z

•- lSTS2(P~CXrN~NI,tEM~A2P43J• 0~(1C,P~tX.AN,T1B,T42),T43),

PWCX•~·~I~LtM~A2944l• ~i: GE)(?( l(,. N, N:l:• LE!nt. 2 943,. NtO l

:= SATZ244A(PW(X,K,.Ml.LEM~A294AJ,1C• Pif( x. 1\N, T 16, T4 2>.· i4 3 >

:: ISOVltTS(PW(X,M,M!,LEMMI\2941\),lC), P~CX•~•~I,~E~~A294~l~P~<X~AN.T18•T%2)• SAïl2Z2CPW<X•~~KI,LE~~A294A>J.T43)

:= TR3IS<CX,TSCPW{X,K,~I.LEMMA29~A)• Pft( X, Nr NX.LE M"t.291't3)),. TS<PW<X•~•Ml•LEMMA2941>• 0VC1C,PW!X,ANrT18,T42),T43))r OVCTSCPWCX•M,MI•LEM~A294Al•lCl• Pf!C X,.A Hr T 16 .. T42J. T lt3 h OY<P~(X•M•Ml•LEMMA294Al• P~<X.ANrT18,T42),T43),f44,T45 .. T46)

·- SATZ1620CH•AN•CASEA) ·- SATZ166E(~,NNOTO(N,N~)) ·- ANDICPOS(A«>•POSCM~"R•CH•AN)),J49•T48) ·- ORI2<NIS<~•OC>,ANOCPCSCANJr

POSCxN•R•<H•AN))},f5Cl ·- INTMN(H,MI,AN,f18> := LEMKAZ94A(X,ANrKN"R~tM,AN),Tl6,T52•

T51> •- tEMHA294SCXrAN,HN"R"CM,AN>•Tl8,T52,

TSl> :: LEM~A294CCXrAN.MN~R"(HrANl•Tl8•T5Zr

T51) := INIPL<A~.Tl8~KN•R•CH•A~J,T52J ·- T14{ x:, Afo .. MN"R .. CM.AID, TtS,. TSZ,. T5ll• T5i) l

:= SATZ187A(MrAN) := ISP~2CX,PL•R~<AN,MNwR•(K,ANl>~H,T58•

T5GrHirT55rlEMMA294AJ

•- ~RIS(CX,TSCPH<XrANrTl8rT5J), PW{X,~N·Re(HrANl;T52•T54))~

PlH Xr PL .. R"'\.Hir KN,.R• ( KrAN)}, T56, T55 ), PWCX•~•Hl•LEM~A294A)•T57•T59)

·- ISP~lCX•X,AN•REFISCCXrXIrTli~T5J•T42) :: !SPl<CXP{!:CXlN!SCT,OC)~

PH(XrANr718rT42)•P~CXr~N,T16rT53Jr143• TóU

:= ISOVlZ<TS(PW(X,~NrT18rT53)• P~(X,"N~Rw(M,ANJ,TSZ.T54)),

IS<TS( 2 W(X,M,~I.tEM~A294AJ,PWCX,~rNirLE~MA2948)},

TSC?W{(rH•MirlEMMAZ94A),Q#(lC,PW(XrAN,T18r1421•T43l))

: IStrSC,W<X~M,KirlEM~A294Al,OV(lC•PW(XrAN.T18rT42>•T43)J ,QVCTStPWCXrH,~I•LEMHAZ94')•1Cl•PWCXrAN;Tl8rT4ZJ~T43))

IS<aV<rSCPW{X,M•~I,lEHMA214AlrlCJrP~CX,AN,T18•T42l•T43) rOV{PW[ ~.MrHI•LE~PA2941\),~WCX,AN•T18rT42lrT43J)

: IStTSC 2 W(X,M,MI,tEM~A294A),pwcx,~,NI,lE~HA294Bl>• O'HPW (I( ,H,M I •LEHMAZ94A > ,pif (X,. AN,. T 18, T42 >, T lt3))

PO SOU, .. R .. CM, AN) > PCS( A Nt ANOtPDi<AN)rPOS{HN•R•(H,A~)))

CRCNISCX,OC),ANO<?OS(AN),POS<MN•R•c",A~)))) INTRLCIII N'"R .. O!rAN)l

ORCNIS[ x.oc hPOStAN U

OiHN IS[ X,OC >rPOS O~N'"R .. CM,~ N > >)

OR<~IStX.OC!.POStPL•R•CAN,MNwR•(M,ANJ)))

I~TRLC~t·R•CAN,~N·R•cM,ANJ))

JS(TSC~W(X,ANoTl8rT5J),pW(XrHN•R•(H,AN)rT521T54)J, Pil CX, PL. •R•( AN,I'!N"R" 0~. ANU, T5&,. T55))

: IS""ït.,Pl"R•(AibKN'"R~cH,.AN) hHJ

; ISCPWClrPt•R•<AN•~N"R"(M,tNJl,T56,.T55)~

PIHX,M, MI,LEMMA29U))

: IS<TSt~W(X,AN•Tl8•T53),pW(X,KN•R•(H•ANl•T52•T54J), PWCI,.K,HI~LEM~A294A))

: IS!?W((rA~,J18•T53lrPW(X•'N•Tl8•T42})

-5.95-

Page 199: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T&4

T65

T&6

T67

T&8

T10

T11

T72

T73

NN ~ [CASEC:LESS(K,ANlJ T74 TTS T7ó

T77 T78 T79

PVC X, "1, Mh LE: 1'!1A294A l, PIH X, Al'h T18,. T'S3 h P~(X,AN .. Tl8,.i42J,.T50,T&l,.Tó2•T45l

•- T~ISZtCX,TS(PI{X,"~M!,.LEMMA294A),. PWtx.n.~I•LE~~~2946JJ,. 0V(T5{P~(IrAN,.TlB,.TSJJ,

PWCX·~~·R·(~rAN)rT52•T54)},. PWCX,A~·TlB,.T53:,r;zJ,.

DV(f~(S,.H,ri•lfMMl2F4A)•

PW[K.~~ .. 718,T,2J,.T43)~f47,.T63l

•- SATZ229H[TSCPWCX,ANrT18,.T53),. P~iX•YN•R•(~,-nJ.TS2,T54}1• PHCX.ANrT18,T53),p~(X,HN•R~CKrANJ,.T52,.

T54J,TS2,?.Sf~SCCX,TSCPW(X,.AN•T18•T53)r PICX,r~·R·(~,.A~>~T52ri54)))}

·- TRISCREAL,.MN·~·!M,.A~J,MN•R•(M,MO"R•<N> >•PL•R•cx.NJ,JS"KZ•R"CA~,.MO•R•(N),~, A35~(~.n~JJ•ISPL2RR•c~~·R"(H0~R·CNJ)• Nr M,. SATZ177C 10))

:: ISPHZ<X·~~ftR•(M,.AN>•PL•R~(M,.N1rT66, T52,.1NTPLCM,.HI.NrNIJ,.T54,LEHMA294C)

:= TR3IS<CX•TS(PW<X•M•Hl,.LEMMA294A)• Pli{X,.N,.!H,.LE:MHJ\2948 > h tlVtTS< PiHX .. A N• 1'18• TSlh PII'(X,.H~"Rw(H,.AN),T52,T54)),

PW( x. At:, f18, T53l,. f62 >• PlH Xr HN•R•{MrA N) ,ï52rT54),pW{X,.Pl"R"CM,.N), I~TPLCM,.MI,.N,.NI>•LEM~A294ClrT64rT65,. T67)

;: ISPW2!XrKrAH.CASE3•M!rT18,.LEMHA294Ar

IS<O VCT S(Pif(X,. AM • Tl 8r T 53 Jr PWC X .. HN"R"( M • ATO • TS2 • T54 J J. PW(X,.A~,Tl8,T53Jrf62l,.OV(?W(X,.~ .. HI,LtM~A29AAl• PlHXo.A'f •Tl6,.T42J,.T43)) .

ISCTSC~H(x,M,MirlEM~A294AJ,.PW{X,.N,NI,.LE~MA294BJ),. 0V(T5(3W(X•AN•Tle,T53),pW(X,.HN"R"(M,.AN),f52,.T54)), PWCX,.A'f•Tl6•T53),T62>>

ISC1VCfSCPW(X,.AN,.T18,.T53J,PW(X,MNwR•<~ .. AHJ,TS~rT54)),. PII'CX,. A 'i, T18, T53), T& 2), PWCX, MN•R .. Oir ANJ "T52r ;'54t)

ISCPW{(,MN•R•(M,.AN},.T52•T54JrPW(X,.PL•R•CM,~Jr

lNTPL(If ,.MZ, N;NI>rlEI'MA294C))

: PROPl

T42} ISCPlHlC •H•M I "lEHHA294A),. Pll UrAfC.. T18,. T4 2)) .- SATZ251A(PW(XrM,MlrlEMHA294AJr

PHUrA N .. ne,. T4Zh Hl, Tó9 J ISCDVP lHXr M. KI..LEMI'A294U ,pvcx,.ANr f18,. T42 h T43),. lC) :: TRliSCREAL•Pt•R•(M,NJrKN~R•(HrMO•R•(N)

JrMN•R•<M,.ANl,.O.ISPLZ•R•(N,MO"R•(KO•R• (N)),H,.SATZ177A(N1lriSHNZ•R•(HO•R•(N},. AN;K,SYHISt?.EALrANrMO•R*(NJ,ASSN(N,.NN) )};5kTZl6ZE<HrANrC~SEB>J ts-a•c•t•R•(K,.NJ,OJ

::: SY:-IISCCX,PlnX,.PL .. R .. (M,fH• lNTPl(M,.MlrN•~IJ,.LEMHA294Cl•lC• OEXP(X,.PL•R•CHr~),INTPLCHrHirH,NIJr LEM~A294C,.T71ll : ISl1C•~M(XrPL•R•<M•NlriNTPL(M,.Ml•N;Nl),.LEMI'A294C))

:: TR3IS(CX,TSCP~(X;~rHI,LEMKA294A),.

·-:: ::

"' :

PiH )(, N, tH, LE Mt<!A2948) h OV<P~{X,X,MI,.LEKHA294AJ~

PW(X,A~•t1S,.T4ZJ•T4]),1C• PWCXoPl~R~(H,.N),.INTPlCMrMI,.N.,NI>• lEHMA294CJrT47.T70,T72) : PROPt

SATZ182DCAN•H•LE~~A2•R•(H,A~.CASECJJ ANll(PQS{M),P0SCMN•R•CAN.M)),pH,T74) O~I2C~!SCX•OCJ•A~DCPDSCM), POSCMN"R"<AN.~))J,T7SJ INTHNCANoT18•M,MtJ lEMMA294ACX,M•M~"R•CA~ .. MJ,.MirT77•T7ó) LEM~Mé!948{ ~' H,. '<'l"f!"( AN • •1 h 14!.• T 77,. T 76 J

POS( HN• R•CAN,.M J) AnOtPU5{MbPOSCMN•R•CANrM>JJ

ORn I SC x,.oc l.. ANCCP(}SC K ),.p() S(HN•R•UN,M)))} INTRLC~N•R•(AN,.HJ)

O?.HHSt X•OC ),PQSO!)) oqcNIS! Xr0C),P0S{M~·R•(AN,MJJ)

- 5.96-

Page 200: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

I OU

T81 f61A

T!!Z 1'81

T64

T85 Taf> T87

ra a T89

T90

T91

T92

T93

T94 T9U

T95

T96

T97

T98

T99

noo

\..C.·"l,'11-\G.;T .... ,,,,.n,t·u• n \.n:•''-'"'""''''t'f':tJ~I • Yi''-~11&V' 1\'VVI,rll.lltll'' ._ n \,lfJII'.-1,,. n. '·nn..-n~lll#

:: INT~L(~,HI,MN"R•<•~~~)rT77) INTRL( 2 L"A•<M•MN"R'"(AN•H)J) ::: Tl 4t X:• '<• ,_.~l"'R .. ( AN, 1'1; • MI,.! 7 7, T 76·,. T 75) IS (T S <" W u:" !1,. KI,. T7 6 l.. P W (X. MN .. R.• (A li. !1 h T77,. T 79)),

PliCX•P- .. R'"C H•,~"R"tAN,. X})• T8X.·T80)) : = S4 TZ 137 ;.(A~;,~) IS .. ~ .. c~ L .. R .. C I",M~l"R..,.<ANr r;)) ,A lU ::: ISP~2CXrPL•R•(M,.M~~R·cA~.~)),.AN,T8Z,

~6l•Tl;.rao.T42) : IStP~((,.PL"R•(M,MN•R•(A~•~J),.fe1~T60),pW(X•ANrT18•T42)) •- T~ISCCX.TS{?~(X,K.MI,T78),

r~cr.~~-~~cftN.~J.T77.T7g)).

?li~ X r ::>:_•c:: 1 o~. tiN"' R .. L!. ·;,. :.<) h T81,. TSO h P if( X: • ;. ·1. 71 B,. T 1, 2 ~ • T3 P, T 53)

~= SATZ29~(X•~•"!tT7a~T13J :: ShiZZ?D(I,MN•~w(~~·HJtT17,Tr9~Tl5J := s~TZ22Ia<?~(x,M~Mt~rrs·>~

P~lX•MN•R•tA~rM),J77.T77},T85,.T66J

c: SATZ222C~K(E,Hr"I•T73ll ·- ISP~l(i•X•~•~EFISCCX,x>.~I.T78,

LEM,.~2?t.~l

·- rsrsrc;-:.rst?iHX.H.xi.T7ah1C>. PKtx.u.~I•T78},PK{X,~r~I•lEM~A294A),

ras,T3n := ISDV12(T5(P~<X•~·MI•T78),1Clr

PW(X,M,KI•LEMMA294AJ,TS<P~(X,M,KI•T78) ,p~(X~M~·R•(A~.M),r77,T79)),

PW(X,An.T16,T42l•T90ri84.T87,T43>

·- TRISZCCX,TSCPW(XrM,KI•LEKHA294A>• PW()(,. s, !i I • LE MMA2 9'49 l ), 0V{T5(P~(~,H,MI,T78l•lC>• TSCPWCX•M•MI•T7S),p~cx,."n•R"(AN•M)• T77.T79}J,T87),0V(P~(X,K,MI,LEMHA294AJ

,p~cx.AN•Tl8rT42J,T43JoT47.T91}

:= SATZZ46AClC•PW{X,HM•R•CAN~MJ•T77•T79)• PWCX•~•MI.T78l.T86•i85)

·- SATZ182F("•AN,.CASEC> ::: TRISCREAlrHN"R .. (H.ANJrMN"R"(MrMO"R"C~)

J rPL '"R•( Mr ~U~ I SMNZ"R'"'( A "~• MO•R .. CN ),M, ABSNCN.~N)JriSPt2«R•t~O·R•CKO•R«(N;),

N• J>!, SArZ177C 'D >) := TR3iSCqEJL.~~·R•<AN~K>•

KO•R•CM~·R•(M•AN)>,A3S(~N·R•(H,ANJ)•

AP.SATZ181ACAN,H>·SYHIS<REAL, ABS(~N·~·CMrA~}),MO"R•(~N·R·<~•AN)),

ASS~(MN·R~(M,ANJ,Jg4)), ISABSCH~·R·c~,AUJ,pL•R•(K,.~>•T9~l)J

:= ISPCREAL,[T:REALJNEGtTJ,MN•R•(M,AN>• Pl"R~f~•NI•T94.T94A)

:: lE~~APWlCK.Pt-R•IKv~J,INTPL(~,HI•N•Nl) ,LE::•nt:.294C• T9&'

:: LEHMAPY.!(X.AP,Tl9•f97• S HZ l&&'HI>l~ R•( Mr Nh T95 l,. lEi'!~: A;:: ;;zo: ,p l "k'" O!r ~ h I ~Jf•t 0: • Hl ,N .:.;J)

: IS CT SP wc x, lhMI• T7!1lrPliCX• MN•R•(AN.Mlr T77• 179)),. Plrl( X • A'i , T 18 , T 42) J NIS( P nL X • ~ • !'!I • i7 8), 0 C) t• IS( Pif( 1(,. XN .. R .. Ol\• t!)• T 77 • T i9 l ,oe l

NISCTSCPW<X•~"HI•T78loP~Cl•MN~R·<ANoM),T77•T7')},.0CJ IS<TS(~W(X,M.MI•T78JolC>•PW<X~~•~!oT78l)

ISC0V(fS<PW(X,K,,.I,T78l•l:J.TSCPW(X,~.~I.T76), PW(XoM~•R•lA~ .. H)•T77,.T79)),T67},.CVCPW(X,.K•~I.LEMMA29.A) •PWCXoA N .. Tl8•Tt.2hT43J J

ISCTS<,WCX•K•Hl•LEMMAZ94AJ•PIICXrN•NiolEMMA2948)),. OV<TSC 2 WCX.M,MI~T78lolC>•TS{PW(XrM•KI•T78)• f>W(X •l1'l .. R"'< AN,H >. TTT• T ?9)), T67 > J

IS <tlV H S{PiH x, M, M h TTS ),1::: h T SC Pil (X, l'.rq, T7 8 >• PW(X,.M~·R•<AN•HJ•T77,.f79)),T87J•OVC1C•PW(X,MN•R•<AN.Ml•

rn, T79 ". rs&» NEGC MN• R'"04, AfU)

NEC<PL• R"<lhNU

ORCNISCX,.OCJoPOStAPll

,.LEMH~Z9r.;:,t96)) : NIStPIU X.AP,f19,T97h0C) : = ISPifl<X .IHJ-R•( AN• tO, AP• T95• f77 • T19 •

T79.T97) ISCPW(l,MN•R«(AN.MJ,T77.T79J.P~(X,AP.T19,TS7)) :: ISOVZCP~IX•MN•R•<AN•M)~T77•T79)•

- 5.97-

Page 201: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T101

TlOZ

·- sr~tstcx.?a(X,Pt"R·c~~Nl• INTFU "~• l'llrN• NI) •lEl0'A294C),. CVtlC•~~{XrAPrTl9•T97),TJ8>• ~E~EX?CX.PL•R•(M,M),I~TPLCM.Ml~N,~I)• L:::~r:~Z94C" T96J)

:= rq•tsccx.rscP~cx.M.MI•LE~MAZ94AJ. FiH r. • '~• ~i r •. LE M1-!.t.2 946 >). Ci[TSCP~lX•~•~IrT78l•lCJ• TSCP~tx,M.~:.T781·P~tx,uN•R•(ANoH)~

T77,T7;J:,TS7l,QV(lC•?~(X,~NwR"CAN,~)~

T77.T7~}~i:6~rOV<1Cr?~(~,AP.Tt9.T97),

TJSJ~P~CX•Pt"R•CH.Nl•INTPL(M,MI•N•Nll• LE~MA294ClrT92;T9J,T100~T101J

!tN ; T103 :: ::!R3AP?CIS .. !\"( I1•ANl,MORE:tM•ANh LESS<M.~~}.PSC?l;SATZ1&7A(K,AN>• CT:ts·~-(~.~~)JT73(TJr[T:~ORE<H•ANll T63(T}otT:LES~(H,A~}JT1~2CT)}

~A~ [~M:,EGCH)ltQN:POSCS)l NA ; 1104 :: C~I~CNISCXrD:J.AND<PQS(~l.POS(M)),T15)

Tl04A ·- T~s·t.A~D~<POSCM)rPOS(NJrNA) T105 := LEMMA294HXrN,.MrXIrlll•Tl04) T105 :: LE!o!!'!:c294!l{XrNrM,Nf,J1I,T104) TlOT ·- L'E!'l't.2~!,C(Xr'I,HrNI•iH•Tl04) 1108 := ISTS12(PIHY.r Y.,I1Z,.LEH?!.~Z9Uh

T109

oN a nto

NA :J T111

ON a T112

NA ~ CI:ts•R•(Mr0)] T113

T114 Tl15

T1!6

TUT

PWCXrMrHI•Tl06>•PW<X•N•NlrLEHMA2948)• PWCX.~.~I.T10SlriSPW1<X•X•~• REFISCCX•X>•Hl•LEMMA2941rT106Jr ISPlH<X~ X• ~ .. REFI SCC x,x >.rH,.LEHMA2948• Tl()5)}

:: ISPW2(X,PL•R•(N;H},Pl~R•(H,N)r CCHPt•R•(N•M>•INTPL(N•NirH,Hil• IHTPL(~,HI~H .. NI},.T107•LEHMA294C)

:= TR4ISCCX.TSCPW(X,.MrMirLEMHA294Alr PW(Xr~r~IrlE~KA2946)), TSCP~(X•~·~IrT106)rPW<X•NrN!rT105)lr TSCP~(X,N.~I.Tl05lrPW<XrM,HirT!OG))r PWCXrPL•ft•(~rM)riNTPL(~~NI,Mr~I)•T107) ;PWCXrPL•R•<"•N>,INTPL(~,HirN,NI)• lEMMÄ294C)rT1~8•Tl09rT110rT111J

·- !STS1{PW[XrR•Ml•LEMMA294A)r1Cr Pil< X• N .. lHr Lë: MHA2943 )" OEXPC<• Hr~I,. LEI'IHAZ9U, IJ)

:= SATZ2228(P~(XrNrNirLEM~A2948)} := SY~!SCREAL•?t•R•(MrN)rNrPLOl•R•CH•N•J)

)

·- ISPWZO;,N.,f'L .. R"(l>!,.fH•Tl15riHr I 1<T?U Hr11i: ~ ~ • '>I) .LCMMA294 3 rLEMHA294C)

:• TR3lS(CX,TSCPWCXr~rMirLEHMA294A); PV(X•NrXIr~EM~A294B)lr TSllCrP~cr,N,,[,~EMHA2949)J•

: IS(UYtlt•P~(XrM~·H•tAN•M}rlffri79J•TU~J•

OVUc,.:~~wcx, APrT19rT97l rT93 ))

IS C::JV U C•!'>if <X~AP" Tl ç, T 97>. T98hPWUrPL .. l'\ .. H•ID • INT?tc'l ,u., N, NI h•LE~MA 294;: H

PROl' I

PRC?l

ORt~ISCXrOC>~ANO(POS(N)~PJSCM>>> : NOTtiHll CPOSOU.PCS< I')))

0 IHN IS{ XrOC )•POS (N >)

OR(~ISCX,OCJ~POS<M>> OROU St X•OC hPOS<PL "R'"Ui~"t) >>

: ISCTSC,WCX~H~MI•LEMMA294AJrPWCX~N•NirLEMMA294B>>• TSCPlHIC ~K,M X. Tl06), PH <X~ Nr NI• T105)))

: IS<TSC2 WCXrMrMI,T106J,pW((,N,~I.T105)J,

TSCPWClrN,NlrT105J,p~{XrM•MI•Tl~6J)) : ISCTSC,~cx~N,NJ,.J105>•P~((,M,MI,ï106)),PW()~Pl"R•<N,M},

INTPL(11 r:III• Mr MI h T1 07>)

: IS<?WCC.Pl•R•tN.Kl.INTPL<N,Nirl'rMIJrT107), PW<X•P-"R•<HrN)riNTPL(H,MI .. NrNilrlEM~A294C})

IS<TSC,WCX~M•Ml•LEM'-AZ94AlrPW(XrNrNI~LEMHA29481>• T S<lC ,, lH Xr N, NI .tEMI'AZ 946) J)

IS<TSC1C~PWCX.N;N1rlEMMA294BJ)rPW<Xr~•~I~LEMMAZ94B>>

ISCPW ((,. N,.N I• LEI'II'A294B ), P:f (X, t'L •R'"( Mrff h INTPLC~•MI•N•Mil•LEHKA294Cl> - 5.98-

Page 202: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

NA ~ ti:IS•R•(NrO)J T118

Tll9

NA ; {?H:~QS(H)l

T120

Tl21

~A ; [S~:NEG(H)J

Tl22

'fA a Tl23

0 a SATl294

NI a fO:NISCXrOC)l LEK~A295A

LEMHAZ958 LEHM!\.295C

u T2 T3 U' f5 fó

TT

T8 T9

t" n \ "' , .. , ~ a: 1 r ~t ~ n~ c. ':f 'f ::i 1 r t" n" ?.. r t'"L ~· :< ~ \ r;, ff 1 r

INTPL<~·~I•N•~IJ,LE~~AZ94CloT113rT114r Tl1ó J

:: T~•IS~CX.TSCPH(X•M•~IrLEM~A294A)• P~\~,l~,s!,LE~~!A2$4f;) )~

TSCP!(X•r-nz,T10~l·?WCX~N~~IrT105l)~ T5i?~!X~Nr~Irrl~3~,?~tXr~#H!~Tl05)), PHt~-~~·R·C~·~Jri~TaLr~.~IrM•2!),TlJ7) ,p~{y.~~~R~(M~~>~INTFL{·•1,H!rNr~I),

LE~~A2~~C>•!1Q8,:1G9rfll8•Tll11

1: ORE2CaJTI?CS<MJl,~OTCPOS(~Jl•T16•

PRC?l

: tSH SC, lH ltr "'r !>I I" il0'5h PlftlC, Kri4I, T 106 >J, PWO• Pl"R " ( N,l'! h lNT?l(~,NI;~,MllrT107))

PROP 1

t<ELH?OSOOr?M)) NOHPOS (N))

·- RAPPC~•PR~PlrTHz•t.IMP•CPOSCNJ~PR0°1, T120),[T:[S•R"(N~OJ]J119(TJrtT:NEGCX)l T133(~~~T>J : PROPl

:: RJPPC~~P~CP1,[T:P~S(~JJT11Z(~H.TJr [T:Is·~·[N,O>:Tl19tT),[T:~EGCNJl i41C~HI•Tll : PRO?l

:= RAPPC~.PROP1rCT:POS{M)JT121CT)r [f:Is~~~{MrO>lTll7CT)o[T:NEGCMll

Tl22<~>> : PRDP1

:: THt•L.IHP•<ANJ(PQS(MJrPOS(N))r PR0Pt•.9294•,[t:ANO<P~S<H)rPOSCN)Jl Tl~·.9Z94•(T)o[T:~OTtANJCPOS(H)rPOS(N) >>JT123•.9294•(f))

:= ORI1<NIS<XrOClrPOSfM)r0l :: ORI1<NIStX,3Cl•POSCN>r0) ;: ORilCNISCX·OC)rPOS<KN*~•(HrN)),Q)

:= OR!l(NIS<X .. OC>rANO<POSCM~•R*(MoNllr POS( :U l..Ol

·- I~ï~:i!~,MirNoNil •- LE~XA294ACXrHN*R*(M,NlrNrT2rNirTll •- LE~~AZ94B<X•K~·R~<M•~).N,T2,NI,Tll := lE~MAZ94C<XrMN•?.w(H,NJoNrT2rNI,TlJ • - IS TS 12 C PI-i <X~ H~<,.R"! M. N) • TZ rLEl1K A295C),

P~(X,MN•R•(M~~J,TZrT]),

PWCX. ~.~!• LEM!UZ95i? }oP:.IO:,N,.~II ,T4 h ISP~l{XrX•HN·R·C~·NlrREFlSCCXrXloT2r LE~MA295CrT3J,ISPMl(X,X,NoREFIS(CXiX),

NlrLEKHA2958rT4l>

:: PLMNOiriO :: ISPU2CX?PlRR~(MN•R•CH.UJ,N)~HrT8•

INTPL<M••R•(MoN)•J2rN•NI)•M[,TS­LEMHA<:95AJ

IS CT SP lf(l(, H,. HirlEHI'A294Al •PIU Xr N, I'IIrlEI!MA29ftB > ), PW{Xo P:.. "R •obM), INTPLC H, MI,.~. NI hlE HJI!A Z94C H

ORC~ISt x~oc >..POSCH)) : ORCN!SCX•OC),pQS(N))

ORCNIStX,OC>oPDS<MH"R"(H,N)J)

ORCNIStX .. OClrANO<POSCHN"R"(M,N>>•POS(N)J) INTRlOtN•R•(HrN)) , ORCNIStX .. OCJrPOSCHN•R•CHr~))) ORCMIStX .. OCJ,.POSCN)J OR<NISCX•OC>•POS(PL•R•CMN•R•CM•NJ,NlJJ

ISCTSC~WCXoHN"R•(H,NJoTZrLEMHA295C)P PW CX P No NI •LEMHAZ 95B )), TS(?Ii( x, t!N"R,.( l'r f\ h rz,. T 3 h PliCX,.Ilr tH .. T4))) l~{TSP W<X" MN"R,.(H, Nh TZrf 3lrPIHX,N .. NI" T4) h PliO:,P:.. "R .. t t'.~"R" Ol,. ~), t,), I NTPL< KN .. R .. (M,N), T2,. N,NI h T5)) IS,.~".(" l"R·(I~N.,R .. Oi,N), !'I>. 10

iS(~W(t,.Pl"R,.(MN"Rw(H,N),N)riNTPll"N"R"CHr~),TZrN,NI>• TSJ.PWt x.H.lH.tEMMA295A>>

s

s

Page 203: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•9295

+9297

no

Tll

SATZZ95

·- TR3IS<CXrTS<PW<Xr~N•Rw(~,~>•T2r LEMHA295C>~PW<X.NrN!rlEX~A2958J), TS(PiiO:rè'N~R-c)',!l;),72rTJ),

PIH X ,l! ~~\!• !4 1 l, ?iH X• f'l .. R .. Ol"' .. "! .. { l'ir!H, N>riNTPL(~~·R·<~·~lrTZ·M,~:>.TSI• PH(I,MrHI•LEMHA293AJ,:SrT7.TJJ

:= SATZ229K(PÄ(I•~•MirLEH~AZ95Alr PM(X?N.~Irl~~MA!953~rP~CX,MN•Rwc~.nJ,

rz~.929S .. ,~E~HA29SCJrT11 ... 9295•r Tl0".?Z95•)

K a [HI:INTRL{M)l[N:NISCXrCCJJ LEMHAZ9S :: CR!l<NISO:•OC}rPOSOih!O

T1 rz T3 T4 T5 T6 TT

T8

T9

no

TU T12 TU

TH

SATZZ9&

CP:NISCXrOCJ l

:= INTRLIO!OrREFIS(REAtrO)) ;: LEMMA295A(XrOrMrTlr~IrN) ;: L[KMA295B(I,O.HrTl.~IrNl :: LEM~A295CCXrO•M•TlrMI,NJ :: SATZ2~0~X .. M,MI.LE~HA29&rNJ := SATZZ90<X•MrHirT3rNJ := SY~lS(CXrPHtX.OrTlrTZirlC•

OEXP<X~O,Ti~rz,RtfiSCREAL,O)ll

·- ISPW1(X•X•M•P.EfiSCCX,XJ,MI•LEMMA296• T3)

:: ISGVlZ(lC•PWtX.O,Tl,TZl, PWCX•~?HirLEH~A29ólrPW(XrKrMirT3)rT7• ra,rs .. rr.l

:= PLOlCO, MO•wo t H).. RE ti 5( REAL,O U :: lEMMAZ96(X,MO•R•(M)•INTHO<K,Mil•N> := ISPW2CK,HN•R•(Q,MJ,MO•R•tH),fll•

INTMN(OrTl•M•MI>•INTMO(M,MI>•T4rTlZl

:: TR3IS{CX,OVClC,PW(XrMrHI,tEMHA296),f5) ,QV(P~CXoO•Tl•T2J•?H(X,H,MirTJ),Tf>>• PWCXrHN~R•(Q,M),INTKN{O,Tl.K,~I)rT4),

PlU X•f'IO•R•ou, lNTMOC Mr Mil• TlZ h T9• Tl Or T13l

Tl := SATZZ90<X•H,MI,LEMHA294A(Oi .. P) 0 ; [A:A~DCPDS!HJ,POS(NJJ]

IS<TS(~W(XrKN"R"(W,N),T2rLEMKA295CJr PW(X•~•Nl•LE~MA295BJJ,p~(X,H,MI•LEMMA295A)) NIS(Pift X,N,tH•LEMMA295S)rJO

ISCOY(~W(X~MrKirLEMrAZ95AJ,pW(XrH,NirLEMMA2959l• SATZ29J(X,N,NI.LEMM~295Br0)J,pW(X,MN•n•(M,~),

INTKN(~rHI•MrNIJrLEHHAZ95C))

OIHN I St X•OC hPOS 00 >

: INTRL()) O!HMIS[ XrOC ),PQS(OJ J OR<'HSt XrOC hPOSOIJ) ORC.ISCXrOC)•POSCMN•R•(O•M)J)

: NISC P:tC XrH~> NirlEI'MAZ9& JrOC) : NIS<Pii[ X,.!t. KI,.T3h0CJ

IS<OV U c,. Pll n, !'!, I"IrlEMMA29 6 J ~ T5 J, CV( f'lf{ x,o, Tlr TZ), PIICXrMr KI .. T 3>rT&Jl IS<Ovc~wcx,O,Tl•TZ).,pW(X.,MrHt~T3),.T6JrFWCX .. MN•R•(Q,H), INTHNCl•T1rMrMl)rT4J) ts•R·<~N·R•(O,HJ,HO•R-(M)J

: DRCNISCX•OCJrPOSCMO•R•(HJJ)

: ISCPWCXrHN"R•(Q,MJ,INTHNC3rTlrHrHIJ,T4),PWCXrMO"R•(Mlr INTHO<MrKIJrTlZJl

: ISCDVC1C .. PW(X,M .. HlrLEMMAZ96)rT5)rPMCX,MO•R•CHJ, tNTMOC~•H!lrTlZJ>

: IS<OV<1CrPW<X~H .. HirlEMHA296J•SATZ290CXrM•KirLr~HA296•N) >~PlHX• MO'"R"'(!f), INTrOe H,HI hLEl'I'A296CMG .. P.•on,. INTI10('4 .. HihtU))

s

s

s

s - 5.100.

Page 204: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•9297

H9297

... T3

LE !!~AZ 9 7 A

LEMMA2$'7B

:: TH7"t.03~CNIS(X~OCl~A~DCPOS(H),pQSCNJl Ii NIS { ?H( x, M•I\I,LE!H1.!\ Z94A( 01 hOC h PO$( S}, !!• [ T: ~!St X• OC) H !. ... 9297"(T h [T:A~'CPOS<~I,PJS(N))JJZ•.9297•CJJ)

:: THB•L.GR·(~[~(X•OC),ANJ<PDSCHttPGS<NlJ r ?OS (iS" R,. ("!.~I) l ,o, C '!': .HiO CPOS ( ~),. PDSt~J)JT3•.9297•tJl)

MI a rn:O~<NISCXrOCJ.POSC~Jllri:!SCX.vCl~

I a H := OR~ZCNIS<X,.OC>•FOSCHl•D•WELI(IS(X,.OCJ,. !))

.. 1 == NTJtRL(M,POSINi~ATRL(M,.T4•~!)J

T5 ·- POSE X? ex, M.tH, c, T4 J T6 := SATZ239E(~l•tT:lTDCM1JlX•XDUTCMlJ,!) T7 ·- TRIS{CXr?~tX.MrH!PD),

PRCGIMl•[f:lT3CM1llXJ.rOC.rT5.rT6)

I 2 Pl., :: TT•.9297• NI ~ tO:OR<~IS(X•OC).rANOCPOSCMJ.rPDS!N>J)l

NI a T8 := INTTS(K,MI,N.rNIJ 0 a PROPl ·- IS<P•<P~CX.rM,MI•lEMMA294A(Q));N.rNI•

tEM~A297AC0)).rPU(X,TS"R"CM.Nl,.T8,

U:~~AZ97BU:l>})

u:rscx,.oc n T9 :: PW3CX.rl1.rMI.rLE!1f!A294Af0}, I> TlO :: PWOCP~(X,H,MI•lEMMA294A(0}),~.rNI•

LEMMA297A(Q),f9) Tll := PWO(X,.TS'"!P'( M.rtO .. T!hLEMMAZ978CIJ),t) TlZ := TRISZtCX,PH(PW(X,~.rMI.rLEMMAZ94AC0)).rN.r

NI.rlEMMA297A(0)J.rPWCX.riS"R•(M,.NJ,.T8.r LEMM~297BC0)l.rOC,TlO.rTllJ

M a [MI:INTRLCM)J[P:NIStX.rOC>l T13 := OR!ltNISCX.rOCJ,POS(Hl.rP) !»!) == PW(X .. M•MI•TlJ) CN:NAT l NR ·- RLOfNTOU T14 ·- NATINTRLC~R.NATRL!(N))

T15 ·- ORI2CN!SCP0•4CJ,POS{NR).r NATPGSCSP.,. NAT RU (~l)))

T16 :: OR:lCNIS<X~OC),PDS<TS~R•(M,NR)),.p) 1"17 := INTTSCM•HI•NR.rï14) PRDPZ :: ISC PlH POl ~R; Tliu T15)- PW ( Xf. TS .. R"( K, NR h

T17.rT16>> p a T18 :: ISPWlCPO.PO,l~l.~EFIS<CX.rPO).INTRll,

USU) ,LEMI'!A29H "0})

T19 == SATZZ9UPOJ rzo := ISPHZ(X;H;TS•R•(H,1RlJ,.SATZ195ACMJ,~I•

T17tl>•Tl!.T16(1J) TZl ;: TRJI SC CX ,plf( P<h 1 !ll• T14 {i) • T1 ~<Uh

0Rt!11 IS{ x,.oc hPOSHS ,.R,.(!i,.~ )) J

: POS( KJ : NAT

ISC?lH( ,.M,.I't X,O hPROC011,. [ T : 1T O< I" U llOJ ZSCP!'WJ ('U,. n:tTO(lHJlXhlCl

: ISCi'W(( ,M,~I I,.Q),.CC>

: 'PROP'

IS(PW(,W(X,H."I,LEM.AZ94AC0)J,.N.NI.LEMP.A297A(QJ).r0Cl : ISCPVCI.rTS•R•(M.rNl.rT8.rLEHMA297BCOJJ .. OtJ

PRO?l

: CRUIIS[ X;OC hPOS( M)) : ex

. • RE:A.L INTUC\1 R)

: OiHNISt PO .. OChPOSURH. : OR(~lSt XoOCJ,POSCTS"R .. CM .. HRJ)) I~HlH s•R•(!hNRU

: 'PROP'

: tSCP~<~0,1RL.rTl4(1),J15C1>>,

PW(f>Q •l RL ..X NTRL!, LE: MI-1A.Z91< PO>) J IS(PWC~0,1Rt.IHTRL1•LEMMA291CPO>),p0)

s

s

s

s

-5.101 -

Page 205: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

N a [P2:?~0P2(Nll Nl T22 T23

TZ4 T25 T26 TZ7

PW(PO•lRL•INTRll•lEMMA291(POJJrPOr Pft(XrTS~R·C~rlP.L),T17t1>•Tló(lllrTl8r

T19· ï20)

:: P!..."~~<~·~•ll

:• SArZZ90(XrHrMI.Tl!rP) :: GRil<~ISCPO•OCJ.ANDCPDS<NRl•POSCIRLJ),

T22) ·- LEM~!:)41C?O.~R•lRL~rl'•INTRllPTZ3l :• ~E~~~2J4BCPO.~R•lRL•Tl••INTRLl•T23> := L~~~429~:<~C,~~,lRLrT14•I~TRLlrT23) ;: IS?NZ<POrMR(~lJ•PL•R•(~~•lRLJ•

sarz~!55~<N·!>.Tl4<~l>• I~TPLC\R,Tl'•iRl•I~TnLllrTl,(NllrT26l

:= TR!S2CCXrPW<POrNR<NlJrT14CNl)r•tS<NlJ) .TS(PJ(P0r~R•Tl4rTZ4>• P~[pQ,1Rlo!NfRLlrT2Sll•

PlH PO• ' .. "R .. ( ';\:!,l f~L): INTFLPiq, T14•' ,-x_.l '; T :'_:) • T2G lr T27, T27Al

PROi"ZCl J

NAT rH se Po. oe >

ORHIISC PO .. OC),.ANDtPOS( NRh POSURL>H ORCNIStPO.OC),.POSCNRJ) ORCHSt PO .. OChPOSC1RU > ::n {~I St PihOC ).,?OS ( Pl"'R"trn "1RLJ))

ISC~W( 3 0 .. NR<~l),.T14(NllrT15CN1JJ,.pW(PO .. PL~"•txR .. 1RL>• HHPU~ Rr T14.o1RL,. HITRLU • T 26)) !SCfS(3 W(PO,.NR,T14rTZ4>,.P~(P0rlRLriNTRLl,T25)l.o PIHPO ,.:o L ""R" c:•R•lRl h INT?U UR, T14, 1Rl ... U, TRll b T2.&) >

: ISCPW('0•NR(N1J,.T14<N1JrT15(N1)J_,.fS(PW(P0r~R .. T14•T24J,. PM(~O,lRL .. INTRLlrTZSJJ)

Page 206: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

r~'~v~~~~~~t9tn~~ 1~;'~'

TSCPMCXrT!•R·c~. R1rTl7.T30)r PHCX.~rMI,T31J>o ~(X,FL•R~(TS"R~(",NR)

.~>r INTfltTS"!1"( ,'1Rif.T!.T,I!rMI),f!2>• Pi.;()(, r:;~~ .. ( l'oti!'C ! } ) , i17( Nl hT16(11:1) h T23~ i.l3r T J&, 7 3C.:f PR0?2<'11 J

:= !S?C N.Ho{T::>~AT1?R':":~'>2( f) r:H .. <:-:>SUC,.T39• SAïZ4HN)} . : PR0?2(<N>SUCJ

N; T41 ·- I~~JCT::~ttT:~ATl?~DP2<Tl•T21rET:NATJ tU:FRJ~2{T>JT4~CT·~J.S) PR'J?2 C'l )

0 ~ r~:,ISCX•OCJJ(Q:POS<N>J rr.z 'i)

H3 u:.

c a Pl 0 a nu

rr.s

fitS

TH TB

T%9

P ~ tt:rs·R·c"·01l TSO T51 T52 TH

P : UrNC:GU)] A~ T54 T55 Pl n; 156 Ti5A r;r T58 T59

r:;o T&l l~Z T5l T54 ns T&6

Tó7

:= POSlNT~Ai~l{~,;~_N:> := NiC!"R!.t'i•HZ) := I SR i.. ~H i { N • r:. 2 ) :_:: ISRLNTZ! 'üHZ)

== PW(XoM.~I .. LE~M~294AtQ)) :: ISPWZ{X,~.M.REFI~CREALrH)rHI~Kir LEMHA2?4,(0)rT13C~I•Pl)

:= ISPK12CP!,P~t~I.PJ.~rRLOFNTCN0lrT44Ar 1' 43" ;-~!, T 14( ~I,?, ~.C} ~ LE MMA297t. COl' Tl5<H!.?rN0} l

:= T4HMI,.P,NQ)

::: ISTSZ•R•<RLGfNT<S'l•N .. M,T44> . - ISPI2CX,TS•R~(M,~~D~NTt~0)),.TS•R•(M,NJ

ri47rT17CKl•P•NJ);T3;Tl&\M!•P•NO), t.EHitA297BHll)

:= TR3tSCCXrPW<?l•N•~I•lEMHA297ACO)J• PWlPOC ~Ir Ph RL Of NH NO),. Tl4(Hl ,p • '10 ),. T15CMI•P•N0))rPWCX,TS•R~(K,RLOFNTtHQ))

,.T17CKlrP,.NO),.TlE{~I•P,NO>l• PiU X• TS"'R .. O!, Nh Ta, lE M~A297!H 0-) J. T45" T4&,T48'

tHTRLC~ l ~AT

Is•R•(~rRLDFNT<NOl)

ts .. a• n LCfN !(NO J.NJ ex

IS<?W <" t. Nr N I.lEfoti'IA297 A(!)) ),plf( PO <I'' I, P )r RLtfNH NO >r T14CMbP•~Ol•Tl5<~l,P• NO})) IS<PWC?O<MI,p),RlOFNTt~O>•T14<MI,.P•NO>•Tl5t~IrPrNO>>• PW(X,TS•R«(M,RlOfNT<NO)l,TlTC"I"P,.NO),.T16(~I,P,N0)))

: 1S"R•crs•R•<M•RLOFNT(N0)),TS,.R•(MrN))

: ISCPW{[,.JS•R•CH,RlOFNT(N0Jl~Tl7(MirPrNOJ,.T16(MirP-NOJJr Pil <X • T5 •R .. ( Mr:OH r T6;L(HMA2HBt 0)))

PROPt

:: OEXP(PlrNrNI,.tf.:HKA297A(0Jri> : ISCPii("' 1rN,.MI .. lEHKA297A(0) h1CJ :: TSOZ•R•t~•N#Il : IS•R-(fS•R•(MrNlrO) :: OEXPCXrTS•R•(MrNJrT8rlEMHA297BCO)rT51) : ISCPW(X,.TS"R•(HrN>rTS,.LEM~A2978(Q)),.1Cl

::: TRIS2(CXrPWCPlrNr~I.LEMMA297A(Q)),. P~CXrTS*P.•!M·~1rTo•LEMMA297B(C)JrlC• T5:lri52)

•- ABS(N) ·- INTASStU,.NI) :: ORI1CNIS<X,OClrASJ!POSCK)rPOSfANJlrPl

. :: P!(AN•~IrT54·T55} :: SATZlGGE{N•N~OTOCNoQ)J :: lEMMA294A(ANr~I.T54oT55) := LEHMA297ACANrM!~T54oT55l := LEMH4297BCAN,~!.i5'•T55l := Tft9CANr ril,. T341T55,;>, TS&l

:= SATZ177ClANrN~A6SH(N,.Ql) ·- I~TNO<ANrT54> r: SA!Z290CXrH.~I.T~6A,PJ := LE~M.276CP1T55·A~•i54,TS21 :: SATZ290tPlT55•AS·T~4~i63,T62J :: LEHMA296CPlT5S,MO•R•C4N>,f61-T62) ~= SATZZ96CP1T55•AN•:S,,.T62l

PRO?l

REAL INT!lLU ~) ORCN ISC x,..oc),. ANO( POS CM ),pi) S(A N))) ex POS( ANJ . URC~ISCXrOCJ,.POSC~J) OiHN I St Pl 15 5• OC) • POSU N> > OR<NISCX,OClrPOS(TS•R•(K,lN))l

: ISfPW(~lT55,AN .. T54,T5T),pi(X,TS•R•(MrAA),T!CIN;MirT54), T~8) > IS·~ .. U ,.MO•R•tANJl INTRL(~O·R•(AN))

: SIS< Ptr SS,OCJ Or<~IStPlT5S,OC>,POS(A~)l

~! S( f' llt PH5 S• Al;, T54#T6 31 ,) C) ORC~IStPli55.0CJrPOS{HO•R•<ANJ))

I SCO~U CJiPW(Pl T55• A !'I• T 54•1 &lJ,. T6HrPiflP1 T5'5•MO•R•( AN h T&l· r&;.;))

- 5.103

Page 207: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

T56

T&9

TTO

T11 TTZ

T73

T74 T75

T76

177

T78

TT9

TSO

T81

p ; T82

0 :1 SATZ297

+10298

Tl

~~~0~,~~~\UJ~iJ9h~

·- ISP~l2CPl•P1T55r~rHO•R•<AN)rT67rT60r ~I.T6l•LE~HA297ACClrTS5l

== T~IS2[CXtPWCPlrN•~I•LE"~I297A(0)lr OVC1Cr?V.CP1T5SrANrT54rT63)rTG4), ~W(PlT55,KQ"R·t~Nl•T61rT65),~68rT66)

:: TniSt~~~L·~O~Rrcrs~Rw(~rAN)), Ts·~•{Y,MO"R•{ANJ),TS·R~C~.N)r

SATZ1?7FCHrA~J.IST52w?~{H0"~•(AN)rN,M,

SYM[$[~EAl•~•jQ•~·~ANJtT501))

. - !~:~c~rs·~~,~.~~J.78(AN.MirT541>

·- LE~~l27itX•TS·r·c~.A~J,TBCAMoMI~T5~),

Pl ·- SATZZ90CX•TS•R•CM•AN)rT6CAN,HI•T54)r

TTZ,P) :: LEMMA296CX.MDPR"(TS•R•(M,ANt)~T71rP} ::: SATZ2~E(XoTS"R"(~rAN>•T8<AN•Mf,.T54)rPl

:= ISP~2!X.~O·R·crs•P. .. tM.AN>>·TS•RGCM .. NJr T70oT7!,T6•T14rLEM~A2P73{0Jl

:= IS~~1{P1T55•PlT55rAN•REriStCXrPlT55Jo TSt., TG 3r T5 7)

:: ISPHlCX~x,Ts•R•CMoAN)•REFISCCXoX)• T5tA~~~Iri54JrTS8.T72J

:.: TR3IS<CX•PWCPlT55~AN•T54oTS3Jr PW{P1TSS.ANrTS4,T57)rPI(X,TS•R*CKrANJ, T8CANr~t.T54J.T58l•PWCX•TS•R•(MrAN)r TStAN.MI.T54J.TT2>rT77rTS9,T78)

:: ISOV2CPHfP1T55rAN,T54rT63)• PHCX.TS•R•tMrA~JrT3(AN,NI•T54J,T72)• lC• T79• T6ltr T73l

:= TR4IStCX,PW<Pl•N•NirlEMMA297A(Q))r 0Y(1C.PW<PlT55rANrT54•T63J.T64), 0ï(1C•P~(XrTS"R~CHrANl•T8{ANrMl•T54)o T7Z},T73>oPWtX.MO*R•<TSftR•tM•A~))rT71• T74,•P~CX•TS•R•(Hr~)rio•LEHHA297B(Q))• T69 .. rso. rrs. TTS >

:= RAPP{Nr?ROPloCT:PQSCN>lT49CT>~ [T:ts•Rw<N.O)JT53Cf),{f;NEGCNJJT81CT))

:• TH1~t~IMP•CIS<X,OC)rPRcrPt•.tZ97•~ [T:IS(X,OCllT12•.9297"CT),(T:NIS<Xr0C) usz-. n9r•n))

:: TRIS<CXrPL<Pli(RrOlrPLICSrOJ>• PLICPt•R•<RrSl~PL•R•co,Q))r

PLI<Pt•R•CRrS),Q),PLIS12A(Rr0rSr01, ISRECXZCPL•R•<OrO>rOrPt•P.•fRrS)r PL01CO.OrREFISCREALr0)J}.)

. 4...J''-'r &.r- &. I ..JJ I

: IS(PW!'l•NrNirLEMMA297ACOl1rPW<PlT5SrMO•R•<AN)rJ6lrT65) )

tS(PW('l,NrNirLEHMA297A(QlJrOVClC•PWCP1T55rANrT54rT63), !64)}

: ts•a•(~O~R•(TS•R•(MrAN))rTS*R•(MrN)J

INTRLC~~·R•<TS•R"(M,ANl))

OR<-. I St X rOC ),POS CTS•R,. < !(,, N)))

N4 SC PWC x, TS •R•( H• ~:'4 h T 8( A .. ,.!f! ,.T54h T72h0CJ OR<~I~X.OClrPOS<MO•R•crs•R•<"•ANll)l IS (J 'Hl CrPlH X:, T 5 .,R .. OI• UH• TiH AN •I' I, TSU, TTêJ, ö73) • PiiCXrMJ '"R"t Ts .. R•(M,AN) )of71,f74))

ISC~W({oMO*R•crs•R•(MoAN))oTT1rT741rPWCXoTS•R•CHrN1•i8o

LEMMA2'J 78{0 l) J

ISCPWC~1T55oAN,.T54rT63),p•(PlT55rA~.T54rT57l)

: IS<?W{(,TS•R•CKrANlrT8(ANrMirT54JrT56)rPWC)rTS•R"CMrAN) ,T6(AN,MirT54JrT72)J

ISCPW(,1T55.ANrT54oT63)rPICXrTS•R•(M,A~),Je(ANrKirT54), T721)

IS(0YC1CrPHCP1T55rANrT54rT63),T64)• 0V(1Cr•W<XrTS•R•(H,ANl,T8CAN.MlrT54)rT72),173))

PRO?l

; PROP1

: ISCPW(,V(I•K•MirlEMKA294AC0))•~•NI•LEM~A297ACOJJ, PWCX,JS•R•<MrN)riNTTS{M,"I•N•NI)rLEM~AZ97BCOJJ)

ISH't(:t LICR.O h PLit s .. o »• PLH f'L"R•C RrS lrO) l

s

- 5.104 -

Page 208: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

•1\,IC:llö

SATZZ9$A :: SYHISCCXrPl(PL!(R,Q>•PLICSrO))r ..

Pl!(Pl"R~fR~S)rO)•flN-10298•) ; IS<PLRPL•R•{RrSJ•OJrPL(FL!CR•O)•PLI(SrO)J) SATZZS'Sa :: T1".102?<>" IS<'Lt~LI(a,OJ.PliCS,OlJrPLICPt•R•<RrSJ,C>J

.... 10298 s

s a rz := TRISCCXrMN(PL!CRrOlrPLI<SrOJJ, PLI!M~·R•cR.s>-~~-R·ca.a>>• Pl!lN~•R"C?rSJ.o,,~~!SlZACCrO•S•O>• I5REC!2€MN•R~co,o>~O.MN~R•(R.S),

PLJ2:0rH?"R•COJrSATZ!7&aCOrREFIStREAL• (i)}})i IS<~NtaliCRrOJrPLI<SrOJlr~LI(M~•R•(R,SlrOJl

-1:>298 s

s a SATZZ9!'1C := sv~ISCCY.r"N<rLI<R•Ol•PLICSrOl>• PL:<"!•R•cR.SJ,OJrT2•.t0298•) I SC!t!.It MN•R•<Rr S >. 0 h MN<PL H Rr 0 h Pl I<S,.O)) l

SA.TZZ980 :: T2 ... 1C293" ISC~N<'LICRrOJrPL!CSrOJJ,.'LIC~N"R~(RrS1r0)J

H10Z98

s a T3 == PL02(TS"R•tR~Sl;HO~R•(JS•R•(O,.Oll• S~TZlTGBCTS•n~co.oJ,

TSOlCOoO•P.EFISfP.SAL•O>))) : IS--t•CM N•R'"C TS•R•(RrSJ, T s• R•((),O J h T S"R'" ( R,. SJ J tï't := TR!SCREAloPl~R"tTS"R"(RoOJ,TS•R•to.SJl

.rs-?.•CR,Olr0oPL02CTS•R•(R,Q), TS"R•COoS),TS01t0oS•R~fiS{REAL•0))Jr TS02{R,OoREFIS(REALo0)J) : Istr.:t•P L •R•CTS•R .. {R,OJ ,.ys•R•COo S) hO J

T5 ·- TRIS<CX~TS(PLICR.Ol;PLI<S•O>l• PLICMU•R•tTS"R*(R•S>•TS"R"(OoOJJr PL•R'"<TS·R~CRoO)rTS"R .. {OoS)}), PLifTS'"Rw(?,,S}.~)rTSISl2A(R•O•Sr0)•

ISRECXlZCHN"R•crs•R~CR.S>•iS•R•(Q,Q)),

TS"R"'Ob S> .Ft. '"R'"(TS'"R .. ( R•O},. TS•R-tOo SJ ),l),.f3,flt)) lS(TSC~LI(R,Q),.PliCSo0J),.PLitTS•R•(R,Slo0)1

-13298 s

s a SATZ298E :: SYMIStCXoTS(?LICR•O),PLI(SoO)), PLitTSwR'"CRrSJ~OlrTS~.l0298•J ISt?L H TS .. R .. CRrS > rO h T S<P~ HR rO hf'li(S,.OJ) l

SATZZ98F :: T5" .10298* IS<Ts<sLI<RrOlrPlt<S,.OJ),pltCTS*R•CRrSJrOJl [N:NIS"R•< s .. o) l

utOZ98 $

N a tt:tS<Pli(SrO)rOCJl T& := TR3IS<REAlrSrRECPLI{Sr0))rRECOCJr0r

IS?.ECS,.OlriSCERECPLI<S.lJ,OC .. t),. REIS<OoO)) ; lS"ït•c; •0)

•10298

N a LEHMA298 :: TH3"L.IMP~(lSCPLI<S .. OJrOC1riS•R•cs,OJ, N .. rT:IS<PLt<SrO>rOCJJTG".10Z98•(TJJ NISCPU (S,.O )rOCJ

Hl3Z98 s - 5.105 -

N a rr := TRIS(CXrTS(PLI<SrOJ,.PltCOV•R•cR,~,.N), OJloPLl<Ts•R•cs,dv•R•<R•S,NJJ,Q}, PLICR#OJrT5lStDV•R•[RrS,Nll,. !S~ECX1<TS•R•cs.ov~R•{RrS,~J),Rr0•

Page 209: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

-10296

-10298

N .;;~ SATZt9SG

SATZZ98H

R a ra

R ~ SATZZ98J

SATZZ931t

R ~ T9

AR tP:P!JS CR J1 TlO

R ~ ti:ts•R•<R~O)l ru

R a tN:tfEGtRl1 HZ

R a T13

T14

T15

:: SATZ229GCPLI<R~o>~PL!<S.OJ~ PLI<o~·R•tR•S•~l,O)rLEM~A298r T:"". !0 296-) .

:= SATZ227~ffLICR.ClrPLICSr0)r PLI<Cv·~wcR.S.~J.OlrLEHMI298, T7•.t~293~)

t= T~ISCCXr~'(?L:tRrOllrPLI(MO•R•(R), MO•P.8 {0))rFli{M0~R~<R>rOJ,HOISACR,OJr

IS~ECXZ(P.~·R•CO>rOrKO"R•{R), SATZ1753(0rP.EFISCR~ALr0})})

:= SYMISCCX~~OCPLI<R.OJJrPLICKO•R•<RlrOlr T8,..1029B•)

:= rs•.Hl298 ..

:: TRIS(REALr~002CPliCRr0J), TS•R•<RE(Pll(R,OllrRE<PLI<R•Olll• rs•R•(R,RJ,?L02(TS•RwCRE<PLI<R~OlJ,

RECFLI<R~Oll>•TS"R•<tMCPll(R•O)J~ IMCPLl(RrO)ll~TSOlCIH{PLitR.O)),

I~tPLI<R•O)l~I~!S!R•Olllr 1STS12"~·<R~<PLI!R~Ol1·R•RE<PLICR~0)J,

IS<!'LI( KO,.R•onrOlrKOCPLU R,O))) IS<MOC~LICRrOJJrPLICHO•R•CRJrOll

R·RE IS:: R, 0 h RE IS(R, 0 Hl : ! S-R•<'f 002( PLI< RrO H• T s•R'" CR• RJ) ·- ABSCRJ REAL

:: TRISZCREAL,TS"Rw{R,RJ,fS~R•(ARrAR),O, TSOl<R•R•I>•TSOl<ARrAR.ABSO{R,[))) : tS•R•trs•R•(R~RJ,TS*R•CARrARJJ

·- SATZ1966(R•R•N,NJ : IS*R•crs•R•(RrR>•TS•R•(ARrARJ) ·- RAPPCRriS*R•<r~·R•(R,R)•TS*R•CARrAR))r

(TtPOSCR)Jf10CTJ,[J:Is~R•(R,O)JT11{T),

{f:NEG{~>JT12(J)) : IS"R•CTS*R•(RrRl•TS•R•<AR•ARll :: TRIS(REAL.~~Q2CPLICRr0)),TS'"R*(RrR>•

TS"R•( AR• AR) • T9• Tlll t IS "R• ('f 002( PlU Rr OJ >• T s•R• UR • AR) l :: THl•t.IMP•tiS*R*(R,OJ,NOT(NEG<AR)),

[f~IS"R"(Rr0lJOIO!NCARrA8S0tRrTJ>r CT:Nrs•R•CRrDJJPNOTN<ARrSATZ16&ECRrTl> ) NOTCNEHAR))

R ~ SATZZ98L :z THSQRTl<MDD2tPLI(RrO>lrlEMHA5CPLI<R•0) >~ABSCR)rT15".1029a~,T14•.10!98~J

SATZ298M :: SYMIStRE~L~MJOCPLI(R•O>>•ABSCR>r SATZ298L.)

COFR. := PL!<R•Ol S 3 Ct:IS(COFRtCR>rCOFRLCS))]

ISRLIC ·- TR3ISCREALrR•PECCOrRLCR>>•R~CCOFRLCSJ> ~s.ISRE!R.O!o!SCERECC~F~LC~).COFRL(SJ•

IS .. R.,.(I! OO<Pl.I< R,O) hABS<RJ)

Is·~·u 9S(R hMOO<.PliCRr0))) COMPlElC

$

s

- 5.106 -

Page 210: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+'110

•VlO

.. VlO

S 3 [t:IS"R"(R•S)J ISRi..EC

; n:cxJ RE: A:.C

R 41 RE:ALI X 41 ERX::tEA:..CCXlJ

RLOfC

·- tTrRSALJ(U:P.EALJtV:IS(COrP.L(T}, CD~RL(~))JISRLlt:~~U.VJ

·- !~~GEC~~~L~cx.:T:?.E:ALJCjfRLCi)•X) ·- I~A~e:I(~e;AL.CX,[7:fiEALlCOfRL(T),R)

tY:CXltRY:REALC(Y)Jti:ISftR•t~L~fC{X,SX>•RLOrC(Y,RY))]

RY OI

R 41

RX a

41

ISCI~l ·- ISI~VE~REAL•CX~tT:REA~JCDFRL(f),

n :rsu.n J ISCERL :"'

ISRLC1 ::

ISRLCZ ::

ISCR;.l :=

lSCR:.z ::

OI: NA Tl COFN := (MHUT )[I: IS,.N,.( N.t !0 J IS~E: :=

· Tl".vtoff.x.:::x,v,Rr .. I!

IS!~VtRE4L.cX,[T:REALlCOfRL<Tl, Tl".VlQ~,x.Rx,y,RY•I>

ISSTlCREAL.cX,[T:REAllCOfRL<T>~ r:. ... vlo~,.f:, ISST2CREAL~CX,CT:REALJCDFRLCT), Tl".VlO,.,fil ISfSl•Eftt?.EALrCX•tT:REALlCOFRL<T>• rt•.vlo•,.x,.Rxl ISTSZ•E-CREAL,CX,[T:REALJCOFRL(f)r n·. VlO",. x .. R u CC~Rt<RLOFNT(N))

!SRlECCRLOFNT(~),RLOFNT(M),

!S<CDR ltR J ,.COf~L(Sl)

INJECTIVE<REAL,cX,{T:REAllCOFRl(TJJ

'PRJP' RE AL. Ct: tlfRU R))

REAL

rsu.n

: IS•R·~~ .. RLOFCCCOFRLCRJ,RE,liCRl)l

: IS '"R" n LOFC t COFRl CR),. REAli t R)),. R >

: IS<XrCJFRlCRLOFCCXrRXJ)J

: JS(COR l<RlOfC( X .. RX) ),. X)

: COMPLEX

ISNTERLOhM• IH : iSCCOn CNhCOrN(H)) M ; ti:ISCCOFN(N),.COFN(H})J

ISNIC :: ISNTIRL(N,MriSRLICCRLOFNT<N>rRLOfNT<MJ rl)) IS•N•CN,Hl

41 TZ ;: CT:NATl[U:NATl[V:ISCCOFN(Tl,COFNCU)}] ISNIC(T,.U,.Vl : INJECTIVECNAT,.CX.tCT:NATlCOFN(f))

X 41 UTC ::: H!AGEt NAT .. CXrrT: !\.HlC'Jt:"N(ThU : •PR!JP' N 41 ~Art ·- IMAGEUNAT:.CXrET:NHlCOf'I'HT).,N) : NATC(CJFNOO> X a tNX:~ATC<X>l

NOFC := SCFTCNAJ,CXrtT:NATJCGFN(T)rT2•.vtO•rXr NI) : NAT

tY:CXl ENY: NATC(Y)](l:Isn, YJ1 ISCEN :: ISINY(~ATrCXr[T:NATlCOfN<T>.Tz•.vlo•,

x."ix,y,:n,IJ : IS .. N•t'40fC(XrNXhNOf'C(Y,NY')) NY 41 ti:Is•N•CNDFCCXrNX)rNCFC'Y•NY))J

ISCI'4 • · ISI~lVEOlAhCXrCTH!ATJCOfN(T),TZ".V10~,

N ; ISNC1

ISNCZ

x.~x.·f.~IY .. o Isu~n := iSSTlCNATrCXr[T:NATlCOFNCTl,TZ•.vtQ•,

N> : 1S~N·(~rNOFCCCOFNCNl•NATl(N))J :: ISSi2CNAr,cXrtT:NATjCOFN(T>.ïZ•.V!QA,

N)

s

s

s

- 5.107 -

Page 211: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

H·Yl)

•Y10

+•Vl)

•VlO

N'( a ISC!IIl := IST5l.~"<NAT•CX,[T:NATlCOfN<T>• rz•.vlo~.x.Nn

HT a

NX a NY a

NY a 'IT a

NX <I

N ~ M ;

M a

tH a MT a

u a

:= rsrsz·E·c~~r.cx.cr:~AiJcarN(T>• T?. ... '.fl')•,.x,NY.l

:= Citcx.cr:cxl~ATC(f}l

C1F~T :~ IN•[•t:x.rt:CXJ~~TCCT),.Nf) NATTI := l~PCCX,[T;CXlNAfC(f),~J) t~T:'l.\TTH I:IS'"E'"(NATf,t;f,tirlJ ISNTEC :: ISII':HfX,[T:CXWATC(Thln.rn,I> [I:tS(C~FNTCNT);CC~N!CMf})j

IS~TIC := IS:~ECCXo[T:CX!NA7CCTJ,NT,MT,.IJ sr:rc CI:Iscx.nl ISCE'i :: ISDUTI(CI•[T:CXJNATC<T>•X•NX•Y•NY•I> n: IS'"E•<NATT .. tnon:< x. Nu, raorc n, rn, > l ISCI~T ·- ISOUT~(CX.CT:CXîNATC(T}•X•~X•Y•NY•I> !S~TCl •- ISCUTINCCX,(T:CXl~~TCCT>,NTJ IS,TCZ := 5T~IS:~ATfrNT,\f~fCCCC~NT<NT),

ISCNTl ISC'HZ NTOP-1 ti:IS .. N•C!'(,~)l

WATTICNT1>•ISNT:lJ :: ISINOUT(CY.,ri:CXJ~ATC~T),X,NX) ·- SYVISCCX•I•CDFNTCNTDfC<X•NXJJriSCNTlJ := NTOfC(COfN{~),NATI(N))

ISNENT :: ISCE~T<COF~(~J.NATI{N),COfN(M),.NATICM) •ISNEC!Nrl",!)}

U:IS,.E•tNATT,. HTOFNOih NTOF~HM>) l ISNI~T := ISNICCNrK•ISCINTCCOfN(N)rNATICN),.

COFNCMJ,NAT!<~lrl))

NOFNT •• NOFCCCOFNTtNTJrNATTI<NT)J [!:Is•t•CNATT.NT .. KT>l ISNTER :: ISCEKtCOFNTC~TlrNATT!CNT)rCOFNT(MT)r

NATTI<MT).ISHTEC<~T.~T.!))

ti:Is·~·(~QF~T(NJ),N0FNTC~Tl11 ISNTIN ·- ISNi!C(NT,MT,IS:!NCCOF~T-NT),~ATT!(NJ)

rCOfNT\~TlrNATTICMTJ,ll)

N ~ T3 ·- ISCNTlCCOFN(N),NATI<N>J

N ~ ISNNfl

ISNNTZ

NT .::1 Ttt

NT :l ISHnll

ISNTNZ 3 H

:= TRISCNAT•N•~GFCCC~FN{N),NATICN)),. HOfN!CNTOrN<NJJ,!SNCl<SJ,ISCEN(COFNCNl •NATICN)rCCFNTCNTDFN<NJ), NATTICNTQFN(N)).iJ•.vlO~))

·- SYI'.I St ~Ah l'b NCFNTOHOF N\ N > J. ISNNTl)

:= ISCNlCCDF~T<NTl.NATTt(NT))

:= TRISCNATT,NT,NiOFCtC~FNT<NT>•NATTICNT) ),NTOFNCNOFNT{S7ll•IS~TC1(NTI, ISCE~T[COfNT{NTJ,~ATTICNT),. CCFN{IOfNTCNTllrNATitNOFNT(Nf}), T4•.vtO""H

t= ~YHISCNATTtNT.NTDFNCNOFNT<NT))riSNTNl) ::: NT:JnH U

IS<X.CJFN<NOFC(X,NXJ))

IS<COF't OIOF'CCX,NXlJ..X) • TY? E'

ex NATC( Cl FNT<NT))

: IS!CCfliTOIThCOFhHI'T)l

IS ""E .. <'I A iT, NT, M T ) NATT

IS<X• n : I s•E• (lf ATT, NT .NT OFC<CO FNTC NT 1 ,NA TT H t.T)))

: tS•E•(~ATT•~TOFC(CCFNTCNTJ,NATTitNT>>•~T) ISOC ,cl FNH NHlFCU:, hXl))

: IS(COF'JHNTOfC(X•NUhXl NATT

: IS .. E•n ATT • NTOF"NU-IhNTOfNt lUl

: IS-N•cH,.M) : NAT

: IS<COFl (NJ,COF::TOITOfN(N))}

: IS•N "<'I ,NOfNH NT OFNCNJ)) : IS,.N•C'lOfNTUHOFï'HNlh NJ

: IS<CDF''H<NT hCOffHNOFNHNT )))

ts•E•n ATT • NT liNT OFNC NOfNTC NT>)) IS•E•('UTT • NTOfNOHlFNT<NTJ J,.NTJ NA '!'T

s

s

- 5.108 -

Page 212: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

+10299

-1:1299

uUZ99

•10299

•10330

~~ a ci:Is•r•c•arr,cNT>SUCTrlTJl Tl :: ISNINTC<NOF~T<~Tl>SUCrlriJ : ts·~·C<NOF'NHNTJ>!iUC .. l)

'H .a SATZZ99A ·- THJ•L.I~~~(tS•[•(NAJTr<NT>SUCT~lT)r

IS·~P(c~:f1T{,Tl>SUC·llr<~OFN!tNT)>

AX3.tT:IS~E·C~hT!,.c~T>SUCT.1T)J

: NQTt IS• E•CNATTr <NT>S:.JCT•lT)) ; AXJT :: [J:~aT:JSATZ299A(T) tT :t,~ATT ~NOT< Is .. E•<N HT, <T> SUCT •lT))

~~ a ti:zs~E•CNATTr<NT>S~CT,<HT>SUCT)l

:: l:S~I NT<<NOF"NTC NTl >SUCr< NOfNHMThSUC,. !) : IS•N•C<NOr'HO:TJ>SUCr<NûnHMTJ>SUCl

T3 ·- <T2><NOFNTOHJ><NOFNHNT)>AX4 : IS~·('COfNT<rlH,.NOfNTO!T))

I iil SATZZ99B a AX4T

:: ISNTHHNT,.MT.T3 ... 10299•) : IS•E·P~AïT,.l\IT,.MT)

·- tT:NATTJtU:N4TTlCV:IS"E•(NATT.<T>SUCT"

C2 a

cz a N a

cz a

C2 a

a

tS:SETOIATTJ l

<U>SUCT > j SATZ299S(T • :;, V J n :te .Hf HU: NATT HV: IS•E .. UATT ,.cT>SUCTr <U>SCCTl l IS•E•n ATT,. T,.U)

CilNtllT :: ESTHNATT,.lf,.S) : 'PROP• CON02T := All"l"<NATT,.[T:NATTJIMP<ESTICNATT,T .. SJ

•EST H llATT ,.c T>SIJCT,. S))) : 'PR!JP • ·tct:CDN01TltCZ:COND2Tl

[N:NAT l PRDP1 := ESTICNATf,.NTOfN(N),.S) : 'PP.OP• H ·- Cl : PROJ»lU J (P:PROPUN)] T5 ·- <P>< NTOFN( Nl>CZ ESTI'N~TT,.NrOFN(<NOFNTCNTJfN(N))>SUCJ,.Sl

TS ·- ISP{"Af,.[T:NATlE$TI{NATf,.NTOfN(<T>SUC) ~sJ,.NOFNTCNTDfN(N)J,.N,.T5r!S~NT2(Nll : PRO?lC<N>SUCJ

CNT:NATT l TT := INOUCTIONC[T:NATlPROPl(TJ~T4,.[T:NATJ

lU:PROPl(TllT6lTrU)•NOFNT<NT)) PROP 1 n OFNT (NT))

SATU99C ·- {T: NATTJ ISP< NATT r [UHJATT lEST I <"'A TT rU,. SJ~NTOFN!NOrNT(i)J,.T,.T7~.10299"(f),

ISNT NZCT ~) : [T:NATT JESTICNATf,T,.S) AXST ·- (T:SETCNATTl1(UtC0~01TCT)l[Y:COND2T<TJ

JSAT Z299C( T • ll• Yl : r:T:SETC NATT) HU: CONOlT<Ul tV:CONOZH T> HW: IIATTl ESTHN4 n,.w,.TJ

IC := PLIC 0.1RU CCM;>LEt

Tl :: TSIS12AC0~1Rl•0•1RL) . : lSHSU c, tC hPLHMN""R•ns•R•(O,.QJ .. TS•R•URLdRU '" Pt.,R•cr s•R'" CO .. lRlh TS'"R'"(liU ... O))) 1

T2 :: TR!S(REAL,MU•R•cts•R•to.o> .. TS*P.~ClRL•1fll)),HO~P."(TS .. R~(1RLr1RL)},.

s

s

$

$

s

.,.. 5.109

Page 213: A translation of Landau's Grundlagen in AUTOMATH · authors thesis (Eindhoven, 1977): On verifying Landau's "Grundlagen der Analysis" in the AUTOMATH System. LAYOUT tROK fiLE AUTOE/LANDAU/H4A

M0"P.•(tRL),FL01CTSw1"<0~0), ~O"R"fTS•R"(lRl•lRLll>

TSOl~O,O.~EF!S(RE~l.~))), iS~1·~rt~s•RwtlRL•l~Ll•lRL•

SATZl?5-Cl~L~>> ts•it•<!t ~·R•CTS .. R"'< Q,OJ, T s• R .. { I RL, tRL)), MO .. R• ( 1 RL>} T3 :: TRISt?.E~L~Pl•R•trs•R"tO.lRL>•

Ts•R•<!R~•01J•7S•A•Ct~L•O>•D• PLv1CTS~~w{Q,1PLi,TS~~~tlRL~OJ,

TSOl(O,:~L.REf!S(REAloOl}),

TS02!1Rl,~~REF!5{REAL?0))l ts•Rw(~L·R•CTS•R~<c.tRLJ,TS•RP(lRL,OJ),Q)

H :: IS~ECX!2~~:~•pw(TS'RP{O•Ol~ TS"RP(1~L.1ît~)},HJ~P.K(1RL>·

PL~~·~rs~R~<Crlatl~TS"R~t1~~*0))#0*tz,

TH IS<PLU HN*R•(TS•R•CO.OJ,ts•R•ftRL.tRLll• PL•R•<rs•R•(O,lRL),TS•R•(tRL,OJl},C3rRLCMO•R•(tRLJ))

r; :a SATZ296JURLJ : ISCCOnUMO,.R"(lRLJ hMOU::))

-1!) 3)3 s

SATZZ300 :: TR3ISCCX,TSCIC,ICJ, Pll ( X1l"~"< TS•fi•{ 0• 0 l, ts•R .. <1 RL• 1 !11.)) • Pl"R"(TS~R"(O,lRL>,rs•Rft(lRL,O))),

CO~RLCMO•R•(lRl)),K0C1C>•Tl'".10300'"• T4•.10300•,T5".10300•) ISCTSU c, IC)., MOC lCl J

[R:R~ALltS:REAll

•10331 s

T1 := TSIS 1ZAC s,. o, o, 1Rl J IS<TSC:OFRL(SJ•ICJ•PLI(MN•R•trs•R•<S•OJ,TS•R•<0•1Rl)), PL ,.R .. CT S'"R• C S.1Rll, TS• R•(3, OJ) > J

TZ == TRIS<REAL•MN•R•<TS'"P.,.CS•O>• TS,.P."<O.lRLJ),MO•R•(TS•R•CO,tRL)),O, PLOl<TS"R"(S,.Ql,wO"R"CTS"R•co,lRLll• TS02{S,O,P.EfiSC~EAL,OJ}),

SATZ17~~(TS~R~<O•IRL>•

TSOlCO,!RL,P.EflS(REAL,~J})) : ts•R•(~N·R•<tS•R•CS,O),JS•R•<O.tRlJ),Q)

T3 :: TRIS(REAL•PL"R,.(TS"P."CS•lP.Ll• TS"R"(Q,Q)),TS~R·<S,lRL>,s,

PL02{TS"R"CS•1fil),TS'"R•co,oJ, TS01CO,Q,RE~IS<REAL•0))J,SATZ195CSJJ : tS•R•<~L·R•(TS•R•<SrlRL),JS•R•{O,O>)•S>

H :: ISR~CX12<MN~~·(Ts•Rft(S,01•TS~R"(0,1RLJ )?Q,pL•R•(fS~R·<S•lRl>•iS•R•to.OJJ,s,

T2,J3) . IS<PL IC HN•R "<TS •R•( s, 0 hTS"~"( o, lRL) >• . PL"~•(TS"R•<S•lRLJ,TS"R•(),Q))),pLI(O,SJ)

T5 := TRIS(CY.,TSCCOFRLCSJ•IC>• PLI(M~·R•<TS~R•cs~D),TS.R"(O,lRL)),

Pl"R"<TS"R"(S,IRL>•TS"R"(O,OJ)), PLI<~hShTh H) ISCTS(C OFRL<Sh IChPLHO•S))

T5 ·- ISPL2( TS<C Of' RUSh IC hPL I (Q,S ), CGFRL(RJ.T5) IS(PL<:OfRLCRJ,TSCCDFRL(SJ,Iè>J•PlCCCFRL(R),ptl(O,S>>>

f7 ·- PLISlZA<R•O•O•Sl ISCPL<COFRL{RJ•PLICO•S>>•~ll<PL"R"CR•O>•PLrR•to•SJ)J

T8 ·- ISRECX1Z<PL•R•tR,Q),R,Pl"R•tO,SJ.S, PL02<R•O•Rf.FlS(RE~L•O>>• PLOl(Q.S,REflS<REAL,Q}l) ISCPLICPL"R"CR.OJ.Pt"R"<O•S>>•PLICR,SlJ

•103)1 s

SATZ30lA :: TR3ISCCI,PLC~OFRLCRJrTS<CDFRL<Sl•lC)l• 5.110 -PLtCOFRLCRJ,PLI<O.S>>#PLI<?L·R~(R.O},

Pt•R•<O•SJ>•PLJCR•S>•T&•.lO!Ot•• T7".10~01•7tn".l0301"J : ISftE"C:X,PL(COFRt<RJ,TSCCaFRL(S),ICJ),PtiC~.S))

SATZJ018 :: SY~i~(~r,Pt~COFRL(1J~fSC~CFPl(3l•lC)),