Discrete family of sets

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A family $ A $ of subsets of a topological space such that every point of the space has a neighbourhood intersecting at most one element of $ A $.

How to Cite This Entry:
Discrete family of sets. Encyclopedia of Mathematics. URL:
This article was adapted from an original article by B.A. Efimov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article