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Which of the following statements is a t...

Which of the following statements is a tautology ?

A

`(~q ^^ p) ^^ q`

B

`(~q ^^ p) ^^ (p ^^ ~p)`

C

`(~p ^^ p)vv (pvv ~p)`

D

`(p ^^ q) ^^ (p ^^ q))`

Text Solution

Verified by Experts

The correct Answer is:
C

It is clear that `(~q ^^ p) vv (p vv ~p)` is tautology.
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