Which of the following is an open statement
$x$ is a natural number
Give me a glass of water
Wish you best of luck
Good morning to all
(a)“$x$ is a rational number” is an open statement.
Which of the following Boolean expression is a tautology ?
Which of the following is the negation of the statement "for all $M\,>\,0$, there exists $x \in S$ such that $\mathrm{x} \geq \mathrm{M}^{\prime \prime} ?$
If $\left( {p \wedge \sim q} \right) \wedge \left( {p \wedge r} \right) \to \sim p \vee q$ is false, then the truth values of $p, q$ and $r$ are respectively
Statement $-1 :$ $\sim (p \leftrightarrow \sim q)$ is equivalent to $p\leftrightarrow q $
Statement $-2 :$ $\sim (p \leftrightarrow \sim q)$ s a tautology
Which of the following is not logically equivalent to the proposition : “A real number is either rational or irrational”.
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