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for any three propositions p,q and r, th...

for any three propositions p,q and r, the proposition
` ( p ^^ q) ^^ ( q ^^ r)` is true when

A

p,q,r are all false

B

p,q,r are all true

C

p,q,r are true and r is false

D

p is true and r is false

Text Solution

Verified by Experts

The correct Answer is:
B
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