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If q is false and (p^^q)harr r is also t...

If `q` is false and `(p^^q)`harr r` is also true then which of the following are tautology (A) `(pvvr)-gt(p^^r)` (B) `(pvvr)` (C) `(p^^r)-gt(pvvr)` (D) `p^^r`

A

`(p vee q ) rarr ( p ^^ r)`

B

`(p vee r )`

C

`( p ^^ r) `

D

`( p ^^ r) rarr ( p vee r )`

Text Solution

Verified by Experts

The correct Answer is:
D
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