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Which of the following statement is a co...

Which of the following statement is a contradiction: (1)`(~p vv ~q) vv (p vv ~q)` , (2) `(p->q) vv (p ^^ ~q)`, (3) `(~p ^^ q) ^^ (~q)`

A

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

B

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

C

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

D

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

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The correct Answer is:
C
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