The biconditional statement $p \Leftrightarrow q$ is equivalent to:
- ADisjunction of $p \Rightarrow q$ and $q \Rightarrow p$
- BConverse of $q \Rightarrow p$
- CContrapositive of $p \Rightarrow q$
- DConjunction of $p \Rightarrow q$ and $q \Rightarrow p$
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State the converse and contrapositive of the following statement:
$p:$ $A$ positive integer is prime only if it has no divisors other than $1$ and itself.
$p:$ $A$ positive integer is prime only if it has no divisors other than $1$ and itself.
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Which of the following logical statements is a tautology?
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