Negation of $p \wedge( q \wedge \sim( p \wedge q ))$ is
$\sim(p \vee q)$
$p \vee q$
$(\sim(p \wedge q)) \wedge q$
$(\sim(p \wedge q)) \vee p$
Which of the following pairs are not logically equivalent ?
If $p$ and $q$ are simple propositions, then $p \Leftrightarrow \sim \,q$ is true when
Consider the following three statements :
$P : 5$ is a prime number.
$Q : 7$ is a factor of $192$.
$R : L.C.M.$ of $5$ and $7$ is $35$.
Then the truth value of which one of the following statements is true?
Which Venn diagram represent the truth of the statement“All students are hard working.”
Where $U$ = Universal set of human being, $S$ = Set of all students, $H$ = Set of all hard workers.
The negation of the expression $q \vee((\sim q) \wedge p)$ is equivalent to