Negation of p harr q is...

Negation of `p harr q` is

A

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

B

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

C

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

D

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

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The correct Answer is:

B

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