Find the component statements of the following compound statement:
$0$ is a positive number or a negative number.

Write the negation of the following statement:
$r:$ For every real number $x$,either $x > 1$ or $x < 1.$

If the statement $p \rightarrow (q \vee r)$ is false,then the truth values of $p, q, r$ are respectively:

The dual of $(x \vee y) \wedge (x \vee 1) = x \vee (x \wedge y) \vee y$ is

Which one of the following is a tautology?

Consider the statement "The match will be played only if the weather is good and the ground is not wet". Select the correct negation from the following: