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EntityQ320357· pop 32· linked from 495 articles

ensemble fermé

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Also known as closed subset

ensemble dont le complémentaire est un ouvert

Wikidata facts

Subclass of
Fσ set
Has part
interior
Show 3 more facts
maintained by WikiProject
WikiProject Mathematics
studied by
topology
opposite of
open set
Sources (3)

via Wikidata · CC0

Article · Français

En mathématiques, dans un espace topologique E, un fermé est un sous-ensemble de E dont le complémentaire est un ouvert.

Abstract from DBpedia / Wikipedia · CC BY-SA