The statement $(p \wedge(\sim q) \vee((\sim p) \wedge q) \vee((\sim p) \wedge(\sim q))$ is equivalent to

Negation of $(p \Rightarrow q) \Rightarrow(q \Rightarrow p)$ is

The contrapositive of the following statement, "If the side of a square doubles, then its area increases four times", is

The false statement in the following is

The statement among the following that is a tautology is

Negation of the Boolean statement $( p \vee q ) \Rightarrow((\sim r ) \vee p )$ is equivalent to