Measurable Set
If 
is a Sigma Algebra and 
is a Subset of 
, then is called measurable if is a member of. need not have, a priori, a topological structure. Even if it does, there may be no connection between the opensets in the topology and the given Sigma Algebra.
- Lindeberg Condition
- Lindeberg-Feller Central Limit Theorem
- Lindelof's Theorem
- Lindemann-Weierstraß Theorem
- Lindenmayer System
- Line
- Linear Algebra
- Linear Approximation
- Linear Code
- Linear Congruence
- Linear Congruence Method
- Linear Equation
- Linear Equation System
- Linear Extension
- Linear Fractional Transformation
- Linear Group
- Linear Group Theorem
- Linearly Dependent Curves
- Linearly Dependent Functions
- Linearly Dependent Vectors
- Linearly Independent
- Linear Operator
- Linear Ordinary Differential Equation
- Linear Programming
- Linear Recurrence Sequence