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(p rArr q) ^^ (q rArr r) rArr (p rArr r)...

`(p rArr q) ^^ (q rArr r) rArr (p rArr r)` is

A

a tautology

B

a contradiction

C

a tautology and a contradiction

D

neither a tautology nor a contradiction

Text Solution

Verified by Experts

The correct Answer is:
A
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