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Question

(p q)(p  q) is ___.
 


Your Answer
A
A tautology
Correct Answer
B
A fallacy
Your Answer
C
Both a tautology and a fallacy
Your Answer
D
Neither a tautology nor a fallacy

Solution

The correct option is C 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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