Which of the following Venn diagram corresponds to the statement “All mothers are women” ($M$ is the set of all mothers, $W$ is the set of all women)
(c) All mothers are women. $M \subseteq W.$
The negation of $ \sim s \vee \left( { \sim r \wedge s} \right)$ is equivalent to
The contrapositive of the statement "If it is raining, then I will not come", is
$\sim (p \vee q) \vee (\sim p \wedge q)$ is logically equivalent to
The negation of the compound proposition $p \vee (\sim p \vee q)$ is
Which one of the following Boolean expressions is a tautology?
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