$(p\; \wedge \sim q) \wedge (\sim p \wedge q)$ is
A tautology
A contradiction
Both a tautology and a contradiction
Neither a tautology nor a contradiction
If the truth value of the statement $p \to \left( { \sim q \vee r} \right)$ is false $(F)$, then the truth values of the statement $p, q, r$ are respectively
Which of the following statement is a tautology?
Which of the following statement is true
The expression $ \sim ( \sim p\, \to \,q)$ is logically equivalent to
If $p : 5$ is not greater than $2$ and $q$ : Jaipur is capital of Rajasthan, are two statements. Then negation of statement $p \Rightarrow q$ is the statement