Sentential connectives Flashcards
1
Q
It is not the case that P
A
¬P
2
Q
Either P, or Q
A
(P∨Q)
3
Q
Neither P, nor Q
A
¬(P ∨Q) or (¬P ∧¬Q)
4
Q
Both P, and Q
A
(P∧Q)
5
Q
If P,then Q
A
(P→Q)
6
Q
P only if Q
A
(P→Q)
7
Q
P if and only if Q
A
(P↔Q)
8
Q
C is a tautology
A
⊨C
8
Q
P unless Q
A
(P∨Q)