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bn:01867930n
Noun Concept
Categories: General topology, Descriptive set theory
EN
Gδ set  G-delta  G-delta set  G delta  G delta set
EN
In the mathematical field of topology, a Gδ set is a subset of a topological space that is a countable intersection of open sets. Wikipedia
Definitions
Relations
Sources
EN
In the mathematical field of topology, a Gδ set is a subset of a topological space that is a countable intersection of open sets. Wikipedia
Countable intersection of open sets Wikidata
IS A
subset
PART OF
Borel hierarchy
DE
Gδ- und Fσ-Mengen
HAS KIND
open set
OPPOSITE OF
Fσ set
Wikipedia
EN
Gδ set
Wikidata
EN
Gδ set
Wikipedia Redirections
EN
G-delta, G-delta set, G delta, G delta set, Inner limiting set
Wikidata Alias
EN
G-delta set, G δ set

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