The statement $\sim(p\leftrightarrow \sim q)$ is :
a tautology
a fallacy
eqivalent to $(p \leftrightarrow q)$
equivalent to $\sim p \leftrightarrow q$
The conditional $(p \wedge q) \Rightarrow p$ is :-
The contrapositive of the statement “If you are born in India, then you are a citizen of India”, is
The statement $p \to ( q \to p)$ is equivalent to
Which of the following statement is a tautology?
The logical statement $[ \sim \,( \sim \,P\, \vee \,q)\, \vee \,\left( {p\, \wedge \,r} \right)\, \wedge \,( \sim \,q\, \wedge \,r)]$ is equivalent to