derived set

Definition. Let $X$ be a topological space and let $A$ be a subset of $X$. The derived set $A^{\prime }$ of $A$ is the set of all limit points of $A$ in $X$ [1].

Title	derived set
Canonical name	DerivedSet
Date of creation	2013-03-22 13:35:06
Last modified on	2013-03-22 13:35:06
Owner	bwebste (988)
Last modified by	bwebste (988)
Numerical id	7
Author	bwebste (988)
Entry type	Definition
Classification	msc 54-00
Related topic	CantorBendixsonDerivative