Logic for Test One Flashcards Preview

Intro to Philosophy > Logic for Test One > Flashcards

Flashcards in Logic for Test One Deck (21)
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1
Q

If A then B A Therefore B

A

Modus Ponens (MP)

2
Q

If A then B B is not true Therefore A is not true

A

Modus Tollens (MT)

3
Q

Either A or B B is not true Therefore A

A

Disjunctive Syllogism (DS)

4
Q

If A then B If B then C Therefore, If A then C

A

Hypothetical Syllogism (HS)

5
Q

If A then B If C then B Either A is true or C is true Therefore B is true or D is true

A

Constructive Dilemma (CD)

6
Q

If A then B If C then D Either B is False or D is False Therefore A is False or C is False

A

Destructive Dilemma (DD)

7
Q

If A then B B is true Therefore A is true

A

Affirming Consequent (AC) INVALID

8
Q

If A then B A is not true Therefore B is not true

A

Denying the Antecedent (DA) INVALID

9
Q

T–>T

A

True

10
Q

T–>F

A

False

11
Q

F–>T

A

True

12
Q

F–>F

A

True

13
Q

F v F

A

False

14
Q

F ^ F

A

False

15
Q
A

AC invalid

16
Q
A

HS vaild

17
Q
A

MP valid

18
Q
A

DA invalid

19
Q
A

MT valid

20
Q
A

CD Valid

21
Q
A

DS Valid