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For the statements p and q, consider the...

For the statements p and q, consider the following compound statements :
(a) `(~q ^^ (p to q)) to ~p`
(b) `((p vv q) ^^ ~p) to q`
Then which of the following statements is correct?

A

(A) and (B) both are not tautologies

B

(B) is a tautology but not (A)

C

(A) is a tautology but not (B)

D

(A) and (B) both are tautologies

Text Solution

Verified by Experts

The correct Answer is:
D
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