jee-main 2017 Q79

jee-main · India · 09apr Proof True/False Justification
The following statement $(p \to q) \to [ ( \sim p \to q ) \to q ]$ is:
(1) a fallacy
(2) a tautology
(3) equivalent to $\sim p \to q$
(4) equivalent to $p \to \sim q$
The following statement $(p \to q) \to [ ( \sim p \to q ) \to q ]$ is:\\
(1) a fallacy\\
(2) a tautology\\
(3) equivalent to $\sim p \to q$\\
(4) equivalent to $p \to \sim q$