weakly inaccessible cardinal (Q12054637)

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regular weak limit cardinal

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Language	Label	Description	Also known as
English	weakly inaccessible cardinal	regular weak limit cardinal

Statements

subclass of

large cardinal

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regular cardinal

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discoverer or inventor

Felix Hausdorff

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time of discovery or invention

1908

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defining formula

${\displaystyle \left(\forall \lambda <\kappa \colon \lambda ^{+}<\kappa \right)\land \forall {\mathcal {S}}\colon \left(|{\mathcal {S}}|<\kappa \land (\forall S\in {\mathcal {S}}\colon |S|<\kappa )\implies \left|\bigcup {\mathcal {S}}\right|<\kappa \right)}$

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in defining formula

${\displaystyle \kappa }$

symbol represents

weakly inaccessible cardinal

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${\displaystyle ^{+}}$

symbol represents

successor cardinal operation

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maintained by WikiProject

WikiProject Mathematics

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Identifiers

Google Knowledge Graph ID

/g/12175kpt

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Metamath statement ID

df-wina

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ProofWiki ID

Definition:Weakly_Inaccessible_Cardinal

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Sitelinks

Wikipedia(1 entry)

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• cswiki Slabě nedosažitelný kardinál

Wikibooks(0 entries)

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Wikinews(0 entries)

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Wikiquote(0 entries)

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Wikisource(0 entries)

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Wikiversity(0 entries)

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Wikivoyage(0 entries)

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Wiktionary(0 entries)

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Multilingual sites(0 entries)

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