The negation of the statement $q \wedge \left( { \sim p \vee \sim r} \right)$
$ \sim q \vee \left( {p \wedge r} \right)$
$ \sim q \vee \left( {p \wedge \sim r} \right)$
$ \sim q \wedge \left( { \sim p \wedge r} \right)$
$ \sim q \wedge \left( {p \wedge \sim r} \right)$
The inverse of the proposition $(p\; \wedge \sim q) \Rightarrow r$ is
Which of the following statement is a tautology?
The negation of the statement
"If I become a teacher, then I will open a school", is
Which of the following Boolean expressions is not a tautology ?
Which of the following is an open statement