Mathematical Reasoning
hard

The statement $( p \wedge(\sim q )) \Rightarrow( p \Rightarrow(\sim q ))$ is

A

equivalent to $(\sim p) \vee(\sim q)$

B

a tautology

C

equivalent to $p \vee q$

D

a contradiction

(JEE MAIN-2023)

Solution

$( p \wedge \sim q ) \rightarrow( p \rightarrow \sim q )$

$\equiv(\sim( p \wedge \sim q )) \vee(\sim p \vee \sim q )$

$\equiv(\sim p \vee q ) \vee(\sim p \vee \sim q )$

$\equiv \sim p \vee t \equiv t$

Standard 11
Mathematics

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