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bn:03416225n
Noun Concept
Categories: General topology, Articles with short description
EN
base  basis  Basis of a topological space  Basis of open neighbourhoods  countable base
EN
In mathematics, a base for the topology τ of a topological space is a family B {\displaystyle {\mathcal {B}}} of open subsets of X such that every open set of the topology is equal to the union of some sub-family of B {\displaystyle {\mathcal {B}}}. Wikipedia
English:
topology
Definitions
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EN
In mathematics, a base for the topology τ of a topological space is a family B {\displaystyle {\mathcal {B}}} of open subsets of X such that every open set of the topology is equal to the union of some sub-family of B {\displaystyle {\mathcal {B}}}. Wikipedia
A type of generating set for a topological space Wikipedia Disambiguation
Collection of open sets that is sufficient for defining a topology Wikidata
The set of sets from which a topology is generated. Wiktionary
IS A
family of sets
Wikipedia
EN
base (topology)
Wikidata
EN
base
Wiktionary
EN
base
Wikipedia Redirections
EN
Base (topological space), basis (topology), Basis of a topological space, Basis of open neighbourhoods, countable base, open basis, Topological base, topological basis, Weight of a space, Weight of a topological space
Wikidata Alias
EN
basis, topological base, topological basis

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