Definition:Real Interval/Endpoints
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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
An endpoint of an interval can also be written as end point.
Sources
- 1978: Thomas A. Whitelaw: An Introduction to Abstract Algebra ... (previous) ... (next): $\S 6$: Subsets
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): end point
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): end point