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Which one of the following is incorrect?...

Which one of the following is incorrect? For any two propostitions p and q, we have

A

`~(p vee q) -= ~p wedge ~q`

B

`~(p wedge q)-= ~p vee ~q`

C

`~(p vee q) -= ~p vee ~q`

D

`~(~p) -= p`

Text Solution

Verified by Experts

The correct Answer is:
C
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