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Let p, q and r be any three logical stat...

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

A

`~[p ^^ (~q) ] -= (~p) ^^q`

B

`~ (p vv q) ^^ (~r) -= (~p) vv (-q) vv (~r)`

C

`~ [ p vv (~q)] -= (~p) ^^q`

D

`~ [p ^^ ( ~q) ] -= (~p) ^^ ~q`

Text Solution

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The correct Answer is:
C
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