jee-main 2022 Q68

jee-main · India · session1_27jun_shift2 Not Maths

Which of the following statement is a tautology?
(1) $( ( \sim q ) \wedge p ) \wedge q$
(2) $( ( \sim q ) \wedge p ) \wedge ( p \wedge ( \sim p ) )$
(3) $( ( \sim q ) \wedge p ) \vee ( p \vee ( \sim p ) )$
(4) $( p \wedge q ) \wedge ( \sim ( p \wedge q ) )$

Which of the following statement is a tautology?\\
(1) $( ( \sim q ) \wedge p ) \wedge q$\\
(2) $( ( \sim q ) \wedge p ) \wedge ( p \wedge ( \sim p ) )$\\
(3) $( ( \sim q ) \wedge p ) \vee ( p \vee ( \sim p ) )$\\
(4) $( p \wedge q ) \wedge ( \sim ( p \wedge q ) )$

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