Let $r \in ( P , q , \sim p , \sim q )$ be such that the logical statement $r \vee ( \sim p ) \Rightarrow ( p \wedge q ) \vee r$ is a tautology. Then $r$ is equal to (1) $p$ (2) $q$ (3) $\sim p$ (4) $\sim q$
Let $r \in ( P , q , \sim p , \sim q )$ be such that the logical statement $r \vee ( \sim p ) \Rightarrow ( p \wedge q ) \vee r$ is a tautology. Then $r$ is equal to\\
(1) $p$\\
(2) $q$\\
(3) $\sim p$\\
(4) $\sim q$