CLOSEDSET

Closed set

In geometry, topology, and related branches of mathematics, a closed set is a set whose complement is an open set. In a topological space, a closed set can be defined as a set which contains all its limit points. In a complete metric space, a closed set is a set which is closed under the limit operation.

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closed set

Noun

  1. A set whose complement is open.


The above text is a snippet from Wiktionary: closed set
and as such is available under the Creative Commons Attribution/Share-Alike License.

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