Definition:Reflection (Geometry)

Definition
A reflection in the context of Euclidean geometry is an isometry from a Euclidean Space $\R^n$ as follows.

A reflection is defined usually for either:
 * $n = 2$, representing the plane

or:
 * $n = 3$, representing ordinary space.

Also see

 * Reflection is Isometry


 * Definition:Rotation (Geometry)