A) A contradiction
B) A tautology
C) Either A or B
D) Neither A nor B
Correct Answer: A
Solution :
p | q | ~p | ~q | pÙ~q | ~pÚq | (pÙ~q)Ù(~pÚq) |
T | T | F | F | F | T | F |
T | F | F | T | T | F | F |
F | T | T | F | F | T | F |
F | F | T | T | F | T | F |
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