The negation of the statement
"If I become a teacher, then I will open a school", is
I will become a teacher and I will not open a school.
Either I will not become a teacher or I will not open a school.
Neither I will become a teacher nor I will open a school
I will not become a teacher or I will open a school.
Which of the following Boolean expressions is not a tautology ?
Let $p$ and $q$ be two statements.Then $\sim( p \wedge( p \Rightarrow \sim q ))$ is equivalent to
$\sim p \wedge q$ is logically equivalent to
Which of the following is a contradiction
The statement $p \rightarrow (q \rightarrow p)$ is equivalent to