Let S be a collectionMathworldPlanetmath of sets. A selector of S is by definition a set {f(R)|RS} where f is a choice function on S (that is f(R)R).

There is a different selector of S for every choice function f.

Title selector
Canonical name Selector
Date of creation 2013-03-22 16:35:46
Last modified on 2013-03-22 16:35:46
Owner porton (9363)
Last modified by porton (9363)
Numerical id 7
Author porton (9363)
Entry type Definition
Classification msc 03E25
Related topic ChoiceFunction
Related topic Collection