# Interval, closed

From Encyclopedia of Mathematics

*segment*

The set of all points on a straight line positioned between two given points $a$ and $b$ and including the end points $a$ and $b$. It is denoted by $[a,b]$. See also Interval and segment.

**How to Cite This Entry:**

Interval, closed.

*Encyclopedia of Mathematics.*URL: http://www.encyclopediaofmath.org/index.php?title=Interval,_closed&oldid=31442