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Question

The statement (pq) is:

A
equivalent to pq
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B
equivalent to pq
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C
a tautology
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D
a fallacy
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Solution

The correct option is A equivalent to pq
As we know,
pq=(pq)(p q)

pq=(pq) (qp)
=(p q) (qp)

Therefore, (pq)
=[(p q) (qp)]
=(pq)(p q)
=pq

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