Exam 2 Flashcards Preview

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Flashcards in Exam 2 Deck (11):
1

P Horseshoe Q Truth Values

T T = T
T F = F
F T = T
F F = F

2

P tri bar Q

T T = T
T F = F
F T = F
F F = T

3

P * Q

T T = T
T F = F
F T = F
F F = F

4

P v Q

T T = T
T F = T
F T = T
F F = F

5

Tautology

All of the truth values in a truth table are true

6

Contradiction

All of the truth values in a truth table are false

7

Contingent Proposition

There are both true and false values in a truth table

8

Equivalent

Two propositions have the same truth values

9

Contradictory

Two propositions have opposite truth values

10

Valid arguments

There is not a column that contains two true premises and a false conclusion

11

Invalid arguments

There is a column that contains two true premises and a false conclusion