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Flashcards in Test 3 Deck (22)
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1

Match these four:

Subject
Predicate
Major Term
Minor Term

Subject: Minor Term
Predicate: Major Term

2

Mood

AEIO Form

3

A Form

All S are P

4

E Form

No S are P

5

I Form

Some S are P

6

O Form

Some S are not P

7

Figure

Arrangement of Terms from 1-4

8

Figure 1

M \
\ M

9

Figure 2

. | M
. | M

10

Figure 3

M | .
M | .

11

Figure 4

/ M
M /

12

Three Categorical Syllogistic Validity Test Types

Distribution
Negation
Quantity

13

Validity: Distribution

- The Middle Term must be distributed in at least 1 of the premises

- If either the major or minor term is distributed, it must be distributed in the premise it occurs

14

Validity: Negation

- The premises can't both be negative

- If either premise is negative, the conclusion must be negative / if the conclusion is negative, one premise must be negative

15

Validity: Quantity

If the conclusion is particular, one premise must be particular

16

Validity: All Rules

- The Middle Term must be distributed in at least 1 of the premises

- If either the major or minor term is distributed, it must be distributed in the premise it occurs

- The premises can't both be negative

- If either premise is negative, the conclusion must be negative / if the conclusion is negative, one premise must be negative

- If the conclusion is particular, one premise must be particular

17

Categorical Syllogism Standard Form

(Quantity) (Subject) (Quality) (Predicate)

18

3 Types of Logical Proposition Relations

Contrapositive
Obverse
Converse

19

Draw the Traditional Square of Opposition

(See textbook)

20

Contrapositive Relation

- Switch Subject and Predicate
- Negate both new S and P

All Ismailis are Muslims.
-> All Non-Muslims are Non-Ismailis.

21

Obverse Relation

- Replace Predicate with complement
- Switch quality

All sandpaper is an abrasive thing.
-> No sandpaper is a non-abrasive thing.

22

Converse Relation

- Switch Subject and Predicate Terms

Some Scotch drinkers are Englishmen.
-> Some Englishmen are Scotch drinkers.