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Question

An implication p q can be validated by proving that  q p.


  1. True

  2. False


Solution

The correct option is A

True


This is the method of contrapositive for validating and implication. We know that contrapositive of an implication pq is given by q q.

In this method we assume that q is true and we prove that p is true. This is possible because an implication and its contrapositive are logically equivalent.

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