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Is meaning of p if and only if q and q if and only if p is same?(a) True(b) FalseThis question was posed to me during an online exam.Enquiry is from Mathematical Reasoning in portion Mathematical Reasoning of Mathematics – Class 11

Answer»

The CORRECT answer is (a) True

The best EXPLANATION: If we write “Q if and only if p” then it MEANS q <=> p i.e. p=> q and q=> p.

And if we write “p if and only if q” then it means p <=> q i.e. q=> p and p=> q.

So, both are exactly same.



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