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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

`not(pvvq)-=not p^^notq`

B

`not(p^^q)-=notpvvnotq`

C

`not(pvvq)-=notpvvnotq`

D

`not(notp)-=p`

Text Solution

Verified by Experts

The correct Answer is:
C
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