The Equivalence Operator

Think about it. Equivalence.
Equi - valent. Two things of equal value.

Equivalence is denoted by this symbol This means that if you have one, you have to also have the other.

For example:
If i have at least a million euros, i am a millionaire.

The converse is also true, if i'm a millionaire, i have at least a million euros.

This is what we refer to as equivalence. If we have something, we have the other, and vice-versa.

We will now learn about The Existence Operator