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Which of the following is true?...

Which of the following is true?

A

`p^^~p-=t`

B

`pvv~p-=f`

C

`pto q-=q to p`

D

`ptoq-=~q to ~p`

Text Solution

Verified by Experts

The correct Answer is:
D
`~q to ~p` is contrapositive of `ptoq` and both convey the same meaning.
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