Definition:Real Interval/Endpoints

Definition
Let:
 * $\closedint a b$

or
 * $\hointr a b$

or
 * $\hointl a b$

or
 * $\openint a b$

be a real interval.

The numbers $a, b \in \R$ are known as the endpoints of the interval.

$a$ is sometimes called the left hand endpoint and $b$ the right hand endpoint of the interval.

Also known as
The endpoints can also be written as end points.