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Let p, q and r be three logical statemen...

Let p, q and r be three logical statements. Which of the following-is true?

A

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

B

`~ ( p vv q) ^^ ( ~ r) equiv (~p) vee (~q) vee (~r)`

C

`~ (~ p vee ~q) equiv p ^^ q `

D

`~ [ p ^^ (~ q) ] equiv p vee q `

Text Solution

Verified by Experts

The correct Answer is:
C
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