Let $p$ and $q$ be two Statements. Amongst the following, the Statement that is equivalent to $p \to q$ is
$p \wedge \sim q$
$ \sim p \vee q$
$ \sim p \wedge q$
$p \vee \sim q$
Negation of “Ram is in Class $X$ or Rashmi is in Class $XII$” is
$\sim (p \Leftrightarrow q)$ is
Which of the following statement is true
Which statement given below is tautology ?
Statement $-1$ : $ \sim \left( {p \leftrightarrow \, \sim q} \right)$ is equivalent to $p \leftrightarrow q$
Statement $-2$ : $ \sim \left( {p \leftrightarrow \, \sim q} \right)$ is a tautology.