Logic Test 7

Question 1

Enthymemes

Answer 1

An argument in which a statement is unstated and assumed. It is a syllogism with one assumed statement.

Question 2

Hypothetical

Answer 2

A statement that affirms an outcome based on a condition.

Question 3

Pure Hypothetical Syllogism

Answer 3

An argument that uses only hypothetical statements.

Question 4

Antecedent

Answer 4

The conditions; the part following the “if”.

Question 5

Consequent

Answer 5

The result of the condition; the part following the “then”.

Question 6

Mixed Hypothetical Syllogism

Answer 6

An argument that uses both hypothetical and categorical statements.

Question 7

What are the two valid hypothetical syllogisms?

Answer 7

Modus Ponens and Modus Tollens.

Question 8

What are the two invalid hypothetical statements?

Answer 8

Affirming the consequent and denying the antecedent.

Question 9

Modus Ponens:

Answer 9

If P then Q
P
Therefore, Q

Question 10

Modus Tollens:

Answer 10

If P then Q
~Q
Therefore, ~P

Question 11

Affirming the Consequent

Answer 11

If P then Q
Q
Therefore, P

Question 12

Denying the antecedent

Answer 12

If P then Q
~P
Therefore, ~Q