Which of the following statements is a t...

Which of the following statements is a tautology?

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:

C

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