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Question

The proposition p(pq) is

A
A tautology
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B
A contradiction
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C
Logically equivalent to pq
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D
Niether tautology nor contradiction
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Solution

The correct option is A A tautology
pqppqp(pq)TTFTTTFFFTFTTTTFFTTT
Since the truth value of the given proposition is always true, it is a tautology.

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