Which Venn diagram represent the truth of the statement“Some teenagers are not dreamers”
None of these
(c) Some teenagers are not dreamers means teenagers which are not dreamers.
Which one of the following, statements is not a tautology
$( S 1)( p \Rightarrow q ) \vee( p \wedge(\sim q ))$ is a tautology $( S 2)((\sim p ) \Rightarrow(\sim q )) \wedge((\sim p ) \vee q )$ is a Contradiction. Then
The statement $\sim(p\leftrightarrow \sim q)$ is :
The statement $( p \wedge(\sim q )) \Rightarrow( p \Rightarrow(\sim q ))$ is
The propositions $(p \Rightarrow \;\sim p) \wedge (\sim p \Rightarrow p)$ is a
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