Truth conditions Flashcards
1
Q
Define tautology
A
Necessarily true expression
2
Q
Define contradiction
A
Necessarily false expression
3
Q
Define contingent
A
Need to check expression
4
Q
What do T and F stand for in a table?
A
True and false
5
Q
What does -> mean?
A
Implication
6
Q
What does sideways L mean?
A
Not
7
Q
What do 3 dashes on top of each other mean?
A
If and only if (iff)
8
Q
What does ^ mean?
A
And
9
Q
What does v mean?
A
Or inclusive, means can be or and both
10
Q
What does Ve mean?
A
Or exclusive, can only be one or the other
