Traditional Logic II - Memoria Press · 2017-12-01 · Review Exercises. 3 Enthymemes What is an enthymeme? Three kinds of enthymemes How to Use Enthymemes Review ... 44 BARBARA,

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Traditional Logic II

Martin Cothran

Instructor

Enthymemes

Abbreviated syllogisms

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Enthymemes

What is an enthymeme?Three kinds of enthymemesHow to Use Enthymemes

ReviewExercises

Enthymemes


ReviewExercises

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Enthymemes


ReviewExercises

Enthymemes


ReviewExercises

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Enthymemes


ReviewExercises

Enthymemes


ReviewExercises

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Enthymemes


Review

What is an enthymeme?

An enthymeme is a syllogism that is missing either a premise or the

conclusion

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Taking an innocent human life is wrong

Abortion takes an innocent human life

Therefore, abortion is wrong




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Enthymemes


Review

Enthymemes


Review

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The three kinds of enthymemes

1st Order Enthymemes2nd Order Enthymemes3rd Order Enthymemes



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First Order Enthymemes

An enthymeme that is missing the major premise





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Second Order Enthymemes

An enthymeme that is missing the minor premise


Knights are brave

Therefore, Lancelot is brave

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Knights are brave

Lancelot is a knight

Therefore, Lancelot is brave



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Third Order Enthymemes

An enthymeme that is missing the conclusion

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Philosophers are intelligent

Socrates is a philosopher


Philosophers are intelligent

Socrates is a philosopher

Therefore, Socrates is intelligent

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Enthymemes


Review

Enthymemes


Review

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How to Use Enthymemes

Point out the missing premise yourselfAsk your opponent to state the missing

premise



premise

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premise


Obscenity is a form of expressionTherefore obscenity is protected by the

First Amendment

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All expression is protected by the First Amendment

Obscenity is a form of expressionTherefore obscenity is protected by the

First Amendment

Enthymemes


Review

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Enthymemes


Review


An enthymeme is a syllogism that is missing either a premise or the

conclusion

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premise

Enthymemes

Exercises

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Enthymemes

Exercise 12.

Exercise 12.

Abortion is the taking of an innocent life

Abortion is wrong

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Exercise 12.

AbortionS is the taking of an innocent life

AbortionS is wrongP

Exercise 12.

AbortionS is the taking of an innocent lifeM

AbortionS is wrongP

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Exercise 12.


AbortionS is wrongP

Exercise 12.

The taking of an innocent lifeM is __________P


AbortionS is wrongP

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Exercise 12.

The taking of an innocent lifeM is wrongP


AbortionS is wrongP

Exercise 12.

The taking of an innocent lifeM is wrongP


AbortionS is wrongP

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How to Extrapolate an Enthymeme

1. Identify to which order the enthymeme belongs

2. Identify the terms

3. Put the propositions into proper logical form

4. Derive the missing proposition





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Exercise 12.

Animals are not the same as human beings

Therefore, animals should not have the same rights as humans.

Exercise 12.

AnimalsS are not the same as human beingsM

Therefore, animalsS should not have the same rights as humansP.

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Exercise 12.



Exercise 12.



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Exercise 12.

No animalS is a human beingM


Exercise 12.


Therefore, no animalS should have the same rights as a humanP.

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BARBARA, CELARENT, DARII, FERIOqueprioris;

CESARE, CAMESTRES, FESTINO, BAROCO secundae;

Tertia; DARAPTI, DISAMIS, DATISI, FELAPTON, BOCARDO, FERISON habet;

Quarta insuper addit; BRAMANTIP, CAMENES, DIMARIS, FESAPO, FRESISON





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Exercise 12.



Exercise 12.

All things that should have the same rights as humansP are human beingsM



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Exercise 16.

Put each of the two major premises or conclusion into proper logical form

Supply the missing premise or conclusion

Tell what kind of enthymeme it is

Give the figure of the resulting complete syllogism

Give the name of the mood

Exercise 16.






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Exercise 16.






Exercise 16.






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Exercise 16.






Exercise 16.






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Exercise 16.

Knowing this first, that no prophecy of the scripture is of any private interpretation. For the prophecy came not in old time by the will of man: but holy men of God spake as they

were moved by the Holy Spirit

Exercise 16.

Knowing this first, that no prophecy of the scripture is of any private interpretation. Forthe prophecy came not in old time by the will of man: but holy men of God spake as they


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Exercise 16.

Knowing this first, that no prophecy of the scripture is of any private interpretation. For the prophecy came not in old time by the will of man: but holy men of God spake as they


Exercise 16.

All prophecy of the Scripture comes from the Holy Spirit

No prophecy of the Scripture is of private interpretation.

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Exercise 16.

All prophecy of the Scripture S comes from the Holy SpiritM

No prophecy of the ScriptureS is of private interpretationP

Exercise 16.



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Exercise 16.



Exercise 16.



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Exercise 16.







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Exercise 16.

No _______________________M is __________ ____________________P.

All prophecy of the ScriptureS comes from the Holy SpiritM


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Exercise 16.

No (or some…not) ___________________M is __________ ____________________P.



Exercise 16.

No ______________________M is __________ ____________________P.



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Exercise 16.



Exercise 16.

No thing that comes from the Holy SpiritM is of private interpretationP.



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Traditional Logic II

Martin Cothran

Instructor

Traditional Logic II - Memoria Press · 2017-12-01 · Review Exercises. 3 Enthymemes What is an enthymeme? Three kinds of enthymemes How to Use Enthymemes Review ... 44 BARBARA,

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