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Which of the following statements is tau...

Which of the following statements is tautology ?

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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