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MONDAY, 22 SEPTEMBER 2014
Syllogism at its best - Part - IIHello Readers,
Yet another marvellous post by Piscine Moliter (Pi) on "Possibility cases inSyllogism and solving them using Venn Diagrams". We couldn't thankyou enough Pi!!
Recall the previous article in which we had studied these basic things:
A statement has many conclusions (cases)And thus, so many diagrams are possible!!
In possibility questions, the examiner asks if there exists any such case(diagram) where this conclusion is valid. So, you job is to find out this case.If there exists at least one such case, then the conclusion holds true. If not,then the conclusion is false. As simple as that!
Keeping this and also the previous Syllogism Post in mind, let’s solve somepossibility questions.
Abbreviations that I used:Basic Diagram = BDModified Diagram = MD
Question 1: Statements:A. All flowers are treesB. Some trees are housesC. All houses are wheels
Let’s first make a BD according tothese statements.
Conclusions:1. At least some wheels are trees2. Some trees are flowers3. All wheels are flower is apossibility
Now, see the BD,Conclusion 1 clearly follows. Conclusion 2 also clearly follows. But, what about Conclusion 3?
Let’s make a MD and see if itfollows or not!
In the MD, we can clearly see thatall the statements are still valid,and Conclusion 3 also is following.So, Conclusion 3 follows.
1? Follows2? Follows3? Follows
Understood?
Let’s now solve another question!
Question 2:
Statements:A. Some desks are chairsB. Some chairs are pensC. Some pens are drawers
First, make a BD according to thesestatements.
Conclusions:
1. At least some drawers are desks2. There is a possibility all drawers are chairs3. No drawer is a chair
Now, see the BD
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Now, see the BDConclusion 1 clearly doesn’t follow.
But, what about Conclusion 2?
Let’s make a MD
See the MD, Conclusion 2follows in it.
And if there is a possibility thatAll drawers are chairs, thenhow could No drawer is a chair follow?So, Conclusion 3 will not follow!
1? Doesn’t follows2? Follows3? Doesn’t follows
Understood?
Let’s solve another one!
Question 3:
Statements:A. All politicians are corruptB. Some politicians are honestC. No leader is honest
First, make a BD according to thesestatements.
Conclusions:1. Some politicians are not leader2. All honest being corrupt is a possibility3. Some leaders are not corrupt
Now, see the BD, Some politicians, which are honest(Red Portion), cannot beleaders. So, Conclusion 1 clearly follows.
But, what about Conclusion 2?
Let’s make a MD.
See the MD, Conclusion 2 clearly follows!
What about conclusion 3?
Let’s make another MD.
See the last diagram, All leaders arecorrupt could be a possibility! So,Conclusion 3 doesn’t follow.
1? Follows2? Follows3? Doesn’t follows
Understood?
Question 4:
Statements:A. Some people are intelligentB. All intelligent are honestC. No intelligent is smart
First, make a BD according to thesestatements.
Conclusions:1. Some honest are not smart2. All people being honest is a possibility3. Some honest are people
Now, see the BD, Some honest, which are intelligent (Red Portion), cannot be smart. So, Conclusion 1 follows.
But, what about Conclusion 2?
Let’s make a MD.
See the MD, Conclusion 2
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use only first method in clerk level. When I see inconclusion " possibilities" I would like to use the second method.is their any short method without going to secondmethodto solve the possibilities plz tell me
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• Reply •
Vaishnavi* • a year ago> Guest
thanksss..... cleared all confusionssss......... :) 10△ ▽
• Reply •
surya • a year ago> Vaishnavi*
In 3rd question 3rd conclusion I hae doubt. .Itfollows know. .because they didn't mentionthat the word possible. .then how it doesn'tfollows?
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• Reply •
Avisikta Jha • 5 months ago
> surya
Yes it follows △ ▽
• Reply •
deeti • 9 months ago> surya
Hey surya... I was just going throughd above post on syllogism. Plz can utell me that wen v draw d modifieddiagram for possibility cases , den r vsupposed to check al d otherçoclusions wid d modified diagramonly.
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• Reply •
Raj Saini • 10 months ago
> surya
Yes True. 3rd Question, 3rdConclusion will Definitley Follow
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• Reply •
Nishan Sehgal • a year ago
> surya
ur right in rd question cnclusion 3shuld follow
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• Reply •
Aman Grewal • a month ago> Vaishnavi*
Hello Friend.... if you have any materialregarding Syllogism please mail me [email protected]
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• Reply •
Credible Riya • a year ago> Guest
TY PI :) 4△ ▽
ANANTHA UMA DEVI • a year ago> Guest
to respected
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by using all these posts,
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ie,
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we got possibilty by xtra diagram that was d rsn..?? 2△ ▽
• Reply •
Guest • a year ago> Guest
yup... that diagram is possible.. △ ▽
• Reply •
Guest • a year ago> Guest
in 2nd why sme drawrs r nt desk?? 3△ ▽
• Reply •
neetu yadav • a year ago
> Guest
Bcz thr is no relation mentionbetween desk n drawers
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• Reply •
Priyanka • a year ago> Guest
thanks pi ....please post tricks for aptitude ...
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• Reply •
Srishti • a year ago> Guest
Thnks d gr8 info bt my dout is inques2 whe its not lyk either 2 or 3??
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• Reply •
Guest • a year ago> Guest
if we make drwr diagrm with desk... △ ▽
• Reply •
smack that • a year ago> Guest
Thanx..mujhe lag rha tha main syllogs me almostperfect huin but jahan thoda loophole tha WO clearho gaya :)
2△ ▽
• Reply •
Hugh!! • a year ago> Guest
thanx pi 2△ ▽
• Reply •
Rudra • a year ago> Guest
Statements : All veracity are vapid. Some veracity are not vanity. Any vanity can never be vapour. No vapour is vineyard. Conclusions : I. Mostly vapid are not vanity.II. Maximum vapid are vanity.1. If conclusion I follows.2. If conclusion II follows.3. If either conclusion I or II follows. 4. If neither conclusion I nor II follows5.Both I and II Follow
Please xplain this with venn diagram 1△ ▽
Guest • a year ago> Rudra
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Some Veracity are not Vanity means AllVeracity can never be Vanity. And AllVeracity are Vapid. So, we concludes thatSome Vapid are Not Vanity. Hence,Conclusion 1 follows.
Some veracity are not Vanity can also meanNo Veracity are Vanity, and thus, Vanity canbe drawn anywhere. So, Conclusion 2doesn't follows.
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• Reply •
Rudra • a year ago> Guest
Statements: All veracity are vapid. Some veracity are not vanity. Any vanity can never be vapour. No vapour is vineyard.
Conclusions: I. Some vapour cannever be vanity. II. Maximum vineyard can beveracity.
1. If conclusion I follows. 2. If conclusion II follows. 3. If either conclusion I or II follows. 4. If neither conclusion I nor II follows.5. If both conclusions I and II follow.
Could you please xplain this qns andwhat are the meaning ofMaximun,Mostly....
1△ ▽
• Reply •
Rudra • a year ago> Guest
Thanx for ur reply..... △ ▽
• Reply •
Ambitious • a year ago> Guest
So much informative...thank u. So much pi forclearing doubts :)
1△ ▽
• Reply •
himanshesh • a year ago> Guest
thank u so much Pi....i really needed this..doubtsvanished..:)
1△ ▽
• Reply •
George clooney • a year ago> Guest
Thanks Pi ...it is very useful for us....keep it up...u rdoing great Job...
1△ ▽
• Reply •
kini • a year ago> Guest
U r gr8. Pi.. thanku..... for clearing doubt ... 1△ ▽
hi roahan how do we get the modifieddiagrams csn u plz explain it
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• Reply •
Rahuk Kumar • a year ago
> Rohan
what abt every ? kya every all hai plztell me . there are many words whichare used in this ,can u tell me andexplain plz bro
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• Reply •
Rohan • a year ago> A|\|T@RA
yess ryt △ ▽
• Reply •
Aruna Shukla • a year ago> Guest
Thnkss PI.. 1△ ▽
• Reply •
ACER • 6 days ago> Guest
make it of ur own.. △ ▽
• Reply •
Aman Grewal • a month ago> Guest
Hello Friend.... if you have any material regardingSyllogism please mail me [email protected]
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• Reply •
Aman Grewal • a month ago> Guest
Friend if you have any material regarding Syllogismplease mail me at [email protected]
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• Reply •
suryavanshi • a year ago> Guest
so in given syllogism if some is given like some aare b in statement then we have to consider allpossible diagram and if possibility is given inconclusion then we consider all diagram but if theanswer is given sure shot in conclusion like some care not a then also we consider all possible diagramand then answer or we just answer using basicdiagram .? pls solve this querry ....
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ankita jha • a year ago> Guest
can u explain d basis on which u hv drawn dmodified diagram..
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• Reply •
SOUVIK TALUKDAR • a year ago> Guest
St: ALL PENS ARE SPOONSSOME SPOONS ARE PENCIL
Concl: I. All pencils are spoonsII. some pens are pencilsIII. All spoons are pens.IV. some pencils are spoon.option: A. only III & IV are logicalB. Only II & III are logicalC. Either I or IV are logicalD. none coles LogicalE. Only IV is logical.
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• Reply •
amit • a year ago> SOUVIK TALUKDAR
E. Only IV is logical. △ ▽
• Reply •
ruchi • a year ago> Guest
Heyy pii thnx in tons for it.. Do u have smthg relatedto ranking topic thn send me I vil b very [email protected]