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Question

(p q)(p q) is ___.

A
A tautology
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B
A fallacy
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C
Both a tautology and a fallacy
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D
Neither a tautology nor a fallacy
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Solution

The correct option is B A fallacy
The AND connective is associative and commutative.
Hence, (p q)(p q)=(p p)(qq)
This statement is always false.

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