A family of subsets of a topological space such that every point has a neighborhood that intersects only one of them.
Discrete Family
See also
Sigma-Discrete FamilyThis entry contributed by Margherita Barile
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Cite this as:
Weisstein, Eric W., with contributions by Margherita Barile. "Discrete Family." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/DiscreteFamily.html