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bn:01867930n
Noun Concept
Categories: Topologie, Théorie des ensembles
FR
ensemble G-delta  Ensemble Gδ
FR
En mathématiques et, en particulier, en topologie, un ensemble Gδ est une intersection dénombrable d'ensembles ouverts. Wikipedia
Definitions
Relations
Sources
FR
En mathématiques et, en particulier, en topologie, un ensemble Gδ est une intersection dénombrable d'ensembles ouverts. Wikipedia
IS A
sous-ensemble
PART OF
hiérarchie de Borel
DE
Gδ- und Fσ-Mengen
HAS KIND
ouvert
OPPOSITE OF
ensemble F-sigma
Wikipedia
FR
Ensemble Gδ
Wikidata
FR
ensemble G-delta
Wikipedia Redirections
FR
Ensemble G-delta

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