i don't know what it mean "~"

Question

Exercise: Describe the practical meaning of ~(p v q) using sentences.

Answer 1

The tilda means "not".

~(p ᴗ q) : not (p or q)

~(pᴗq)=(~p)ᴖ(~q)

In English: Neither condition is true. It is neither one nor the other. It is not one and it is also not the other.