Closed Interval
An Interval which includes its Limit Points. If the endpoints of the interval areFinite numbers 
and 
, then the Interval is denoted 
. If one of the endpoints is 
,then the interval still contains all of its Limit Points, so 
and 
arealso closed intervals.
- Lehmer's Constant
- Lehmer's Formula
- Lehmer's Phenomenon
- Lehmer's Problem
- Lehmer's Theorem
- Lehmus' Theorem
- Leibniz Criterion
- Leibniz Harmonic Triangle
- Leibniz Identity
- Leibniz Integral Rule
- Leibniz Series
- Lemarié's Wavelet
- Lemma
- Lemniscate
- Lemniscate Case
- Lemniscate Constant
- Lemniscate Function
- Lemniscate Inverse Curve
- Lemniscate (Mandelbrot Set)
- Lemniscate of Bernoulli
- Lemniscate of Gerono
- Lemoine Axis
- Lemoine Circle
- Lemoine Line
- Lemoine Point