(Q1283623)

English

cofinality

smallest cardinality of a cofinal subset in mathematics

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Statements

instance of

cardinal function

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defining formula

\operatorname {cf} (X)=\min\{|C|\colon C\subset X,\;\forall x\in X\exists c\in C\colon x\leq c\}

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in defining formula

C

symbol represents

cofinal subset

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X

symbol represents

partially ordered set

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\operatorname {cf} (-)

symbol represents

cofinality

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maintained by WikiProject

WikiProject Mathematics

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Identifiers

1 reference

28 October 2013

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Microsoft Academic ID

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1 reference

26 January 2022

https://docs.openalex.org/download-snapshot/snapshot-data-format

PlanetMath ID

Cofinality

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ProofWiki ID

Definition:Cofinality

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Sitelinks

Wikipedia(16 entries)

cawiki Cofinalitat
cswiki Kofinál
dewiki Konfinalität
enwiki Cofinality
eswiki Cofinalidad
frwiki Cofinalité
hewiki קופינליות
hrwiki Kofinalnost
itwiki Cofinalità
jawiki 共終数
kowiki 공종도
nlwiki Cofinaliteit
plwiki Współkońcowość
ptwiki Cofinalidade
skwiki Kofinál
zhwiki 共尾性

(Q1283623)

cofinality

Statements

Identifiers

Sitelinks

Wikipedia(16 entries)

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