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Question

The statement (pq)[(pq)q] is



A

a tautology

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B

equivalent to pq

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C

equivalent to pq

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D

a fallacy

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Solution

The correct option is A

a tautology


The truth table of the given expression is given below:

pqxpqppqy(pq)qxyTTTFTTTTFFFTFTFTTTTTTFFTTFTT

Hence, it is a tautology.


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