The binary operation ? is defined as follows
|
P
|
Q
|
P?Q |
|
T
|
T
|
T
|
|
T
|
F
|
T
|
|
F
|
T
|
F
|
|
F
|
F
|
T
|
Which one of the following is equivalent to P∨Q?
(A)
¬Q?¬P
(B)
P?¬Q
(C)
¬P?¬Q
(D)
¬P?¬Q
Answer: (B)
Explanation:
Here ,Truth table of given B option
| P | Q | P∨Q | P | ¬Q | P?¬Q |
| T | T | T | T | F | T |
| T | F | T | T | T | T |
| F | T | T | F | F | T |
| F | F | F | F | T | F |
P?¬Q = Q’ ⇢ P = (Q’)’ v P = Q v P
Quiz of this Question
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