The Boolean expression $( p \Rightarrow q ) \wedge( q \Rightarrow \sim p )$ is equivalent to :
$q$
$\sim \mathrm{q}$
$\mathrm{p}$
$\sim \mathrm{p}$
The contrapositive of the statement "If it is raining, then I will not come", is
Statement $\quad(P \Rightarrow Q) \wedge(R \Rightarrow Q)$ is logically equivalent to
The statement among the following that is a tautology is
When does the current flow through the following circuit
Which of the following statements is $NOT$ logically equivalent to $\left( {p \to \sim p} \right) \to \left( {p \to q} \right)$?