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Prove, (AVB)∧[(¬A)∧(¬B)] is a contradiction.
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Solution:
To Prove:- (A∨B)∧[(¬A)∧(¬B)] is a contradiction.
$ \begin{array}{|c|c|c|c|c|c|c|} \hline A & B & A \vee B & \neg A & \neg B & (\neg A) \wedge(\neg B) & (A \vee B) \wedge[(\neg A) \wedge(\neg B)] \\\\ …