The negation of the statement pattern $$p \vee(q \rightarrow \sim r)$$ is

The negation of the statement, "The payment will be made if and only if the work is finished in time" is

The negation of '$$\forall x \in N, x^2+x$$ is even number' is

If $$\mathrm{p}$$ : It is raining.

$$\mathrm{q}$$ : Weather is pleasant

then simplified form of the statement "It is not true, if it is raining then weather is not pleasant" is