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Which one of the following is not a cont...

Which one of the following is not a contradiction? `[~ p^^(pvv~ q)]^^q` b. `(~ p^^q)^^p` c. `[(p (vec)q)(vec) p]^^~ p` d. `(~ q (vec) ~ p)harr(p (vec) q)`

A

`[~p ^^ (p vv ~q)] ^^ q`

B

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

C

`[(p rarr q) rarr p] ^^ ~p`

D

`(~q rarr ~p) harr (p rarr q)`

Text Solution

Verified by Experts

The correct Answer is:
D
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