A Little Categorical Logic

Question 1

Define categorical logic

Answer 1

Can determine whether premises necessarily lead to the proposed conclusion

(Is a technique to examine deductive arguments)

Question 2

What are categorical statements?

Answer 2

State a relationship between two categories

Question 3

What is a subject term? (S)

Answer 3

Term that represents the subject class

Question 4

What is a predicate term? (P)

Answer 4

Term that represents the predicate class

Question 5

What are the 4 basic forms of categorical statements?

Answer 5

1. All S are P
2. No S are P
3. Some S are P
4. Some S are not P

Question 6

What are “All” or “No” categorical statements?

Answer 6

Do not assert that something exists. They form “if” and “then” statements

Question 7

What are “some” categorical statements?

Answer 7

Assert that something exists

Always means “at least once”

Question 8

What is a Venn Diagram?

Answer 8

Represents categorical statements

1. Circle represents categories
2. Overlap represents possible members of both categories
3. Shading represents no members
4. X represents at least one member exists

Question 9

Define categorical syllogisms

Answer 9

Something is supposed to be true simply because other things are supposed to be true