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The logically equivalent proposition of ...

The logically equivalent proposition of ` p harr q ` is

A

`( p to q ) ^^ (q to p)`

B

` ( p to q) vv ) ( q to p) `

C

` ( p ^^ q) to ( p vv q_`

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
we know that ` p harr q` means p iff q.
Clearly p iff q is logically equivalent to ` p to q and q to p`.i.e. ` ( p to q ) ^^ ( q to q)`
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