Definition:Left


 * The direction left


 * In the context of Algebra:
 * Definition:Left Hand Side


 * In the context of Relation Theory:
 * Definition:Left-Total Relation
 * Definition:Left-Euclidean Relation
 * Definition:Left Normal Element of Relation


 * In the context of Mapping Theory:
 * Definition:Left Cancellable Mapping
 * Definition:Left Inverse Mapping


 * In the context of Order Theory:
 * Definition:Left Half-Open Interval


 * In the context of Analysis:
 * Definition:Left-Hand Derivative


 * In the context of Real Analysis:
 * Definition:Limit from Left
 * Definition:Left Difference Quotient
 * Definition:Left-Continuous at Point
 * Definition:Real Left-Hand Derivative
 * Definition:Left Half-Open Real Interval
 * Definition:Left Half-Open Bounded Real Interval
 * Definition:Closed Real Interval Bounded on the Left, also known as a Closed Unbounded Above Real Interval
 * Definition:Open Real Interval Bounded on the Left, also known as an Open Unbounded Above Real Interval


 * In the context of Abstract Algebra:
 * Definition:Left Zero
 * Definition:Left Identity
 * Definition:Left Operation
 * Definition:Left Cancellable Element
 * Definition:Left Cancellable Operation
 * Definition:Left Distributive Operation
 * Definition:Left Inverse Element
 * Definition:Left Quasigroup
 * Definition:Left Regular Representation
 * Definition:Left-Hand Product or Definition:Left Product
 * Definition:Left Naturally Totally Ordered Semigroup


 * In the context of Group Theory
 * Definition:Left Group Axioms
 * Definition:Left Coset
 * Definition:Left Coset Space
 * Definition:Left Transversal
 * Definition:Left Group Action
 * Definition:Left Subset Product Action
 * Definition:Left Congruence Modulo Subgroup


 * In the context of Ring Theory
 * Definition:Left Zero Divisor
 * Definition:Left Linear Ring Action


 * In the context of Ideal Theory:
 * Definition:Left Ideal of Ring
 * Definition:Maximal Left Ideal of Ring


 * In the context of Linear Algebra:
 * Definition:Left Module
 * Definition:Left Module Axioms
 * Definition:Left Null Space


 * In the context of Recreational Mathematics:
 * Definition:Left-Truncatable Prime


 * In the context of Category Theory:
 * Definition:Category of Left Modules


 * In the context of Analytic Geometry:
 * Definition:Left-Handed Triad


 * Definition:Left Cancellable
 * Definition:Left Cancellable Element
 * Definition:Left Cancellable Operation


 * Definition:Left Inverse
 * Definition:Left Inverse Element
 * Definition:Left Inverse Mapping


 * Definition:Left Ideal
 * Definition:Left Ideal of Ring


 * Definition:Left Half-Open Interval
 * Definition:Left Half-Open Real Interval
 * Definition:Closed Real Interval Bounded on the Left, also known as a Closed Unbounded Above Real Interval
 * Definition:Open Real Interval Bounded on the Left, also known as an Open Unbounded Above Real Interval

Also see

 * Definition:Right