$p \Rightarrow q$ can also be written as

If $x = 5$ and $y = -2$,then what is the contrapositive of the statement $x - 2y = 9$?

The statement $B \Rightarrow ((\sim A) \vee B)$ is equivalent to

If $p, q$ and $r$ are three propositions,then which of the following combination of truth values of $p, q$ and $r$ makes the logical expression $\{(p \vee q) \wedge ((\sim p) \vee r)\} \rightarrow ((\sim q) \vee r)$ false?

The negation of the statement,$\exists x \in A$ such that $x+5 > 8$ is

The statement that is $TRUE$ among the following is: