$\sim p \wedge q$ is logically equivalent to

The negation of the statement $(( A \wedge( B \vee C )) \Rightarrow( A \vee B )) \Rightarrow A$ is

$\sim ((\sim p)\; \wedge q)$ is equal to

Which of the following is logically equivalent to $\sim(\sim p \Rightarrow q)$

The contrapositive of the statement "If it is raining, then I will not come", is