Logic Test Review (Ch. 1-6)

Define Figure

the location of the middle term in a syllogism

1st Figure

sub-prae

2nd Figure

prae-prae

3rd Figure

sub-sub

4th Figure

prae-sub

Terminological Rule 1).

There must be three and only three terms

Terminological Rule 2).

The middle term must not occur in the conclusion

Quantitative Rule 1).

If the term is distributed in the conclusion, it must also be distributed in its premise

Quantitative Rule 2).

The middle term has to be distributed at least once

Qualitative Rule 1).

No conclusion can follow two negative premises

Qualitative Rule 2).

If both premises are affirmative, the conclusion must also be

Qualitative Rule 3).

If either premise is negative, then the conclusion must also be

Define Mood

the location of the premises according to quality and quantity

The five most common categorical syllogisms

Barbara, Celarent, Cesare, Camestres, Camenes

How many valid moods are there?

19

S means what in respect to Direct Reduction

Simple Conversion

M means what in respect to Direct Reduction

Mutatio

P means what in respect to Direct Reduction

Partial Conversion

C means what in respect to Direct Reduction

Reduction by Contradiction

The Names of the Valid First Figure Syllogisms

Barbara, Celarent, Darii, Ferio

The Names of the Valid Second Figure Syllogisms

Cesare, Camestres, Festino, Baroco

The Names of the Valid Third Figure Syllogisms

Darapti, Disamis, Datisi, Felapton Bocardo, Ferison

The Names of the Valid Fourth Figure Syllogisms

Bramantip, Camenes, Dimaris, Fesapo, Fresison

What are the four things a statement needs in order to be in logical form

Subject, Predicate, Quantifier, Copula

Rule A of Translating Sentences

Identify the subject and predicate of

Rule B of Translating Sentences

Supply the missing quantifier

Rule C of Translating Sentences

Add the missing compliment

Rule D of Translating Sentences

Supply the missing copula

Rule E of Translating Sentences

Change exclusive statements to A statements

Rule F of Translating Sentences

Change negative statements into E or O statements

Rule G of Translating Sentences

Change exceptive statements into E or A statements

Rule H of Translating Sentences

Sentences containing, anyone, anything, whoever, the, if...then, or whatever, should turn into A statements

Rule I of Translating Sentences

Sentences containing, someone, something, there is, or there are should turn into I statements

What is an enthymeme

it is a syllogism that is missing either one of its premises, or the conclusion

First Order

An enthymeme missing the major premise

Second Order

An enthymeme missing the minor premise

Third Order

An enthymeme missing the conclusion