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Let p, q, r be three statements.

Statement-1: pq(pq)(~qp) is a tautology.

Statement-2: pqr(pr)(qr) is a tautology.

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By Expert Faculty of Sri Chaitanya
a
STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is a correct explanation for STATEMENT-1
b
STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is NOT a correct explanation for STATEMENT-1
c
STATEMENT-1 is True, STATEMENT-2 is False
d
STATEMENT-1 is False, STATEMENT-2 is True

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detailed solution

Correct option is B

p↔q≡(p→q)∧(q→p)           ≡(p→q)∧(~q∨p)and p∨q→r≡∼(p∨q)∨r≡(~p∧~q)∨r≡(~p∨r)∧(~q∨r)≡(p→r)∧(q→r)


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The false statement in the following is

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