alternative characterization of filter

A collectionMathworldPlanetmath 𝐅 of subsets of a set X is a filter if and only if the following condition is satisfied: For any two subsets A and B of X, it is the case that AB𝐅 if and only if A𝐅 and B𝐅.

Title alternative characterization of filter
Canonical name AlternativeCharacterizationOfFilter
Date of creation 2013-03-22 14:43:02
Last modified on 2013-03-22 14:43:02
Owner rspuzio (6075)
Last modified by rspuzio (6075)
Numerical id 5
Author rspuzio (6075)
Entry type Theorem
Classification msc 03E99
Classification msc 54A99