The contrapositive of the statement "If you will work, you will earn money" is ..... .
You will earn money, if you will not work
If you will earn money, you will work
If you will not earn money, you will not work
To earn money, you need to work
The statement $(p \wedge(\sim q) \vee((\sim p) \wedge q) \vee((\sim p) \wedge(\sim q))$ is equivalent to
Suppose $p, q, r$ are positive rational numbers such that $\sqrt{p}+\sqrt{q}+\sqrt{r}$ is also rational. Then
Which statement given below is tautology ?
$p \Rightarrow q$ can also be written as
Negation of $(p \Rightarrow q) \Rightarrow(q \Rightarrow p)$ is