(Q1193137)

English

regular cardinal

cardinal number that equals its own cofinality

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subclass of

cardinal number

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defining formula

|I|<\kappa \land (\forall i\in I\colon |S_{i}|<\kappa )\implies \left|\bigcup _{i\in I}S\right|<\kappa

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maintained by WikiProject

WikiProject Mathematics

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Identifiers

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28 October 2013

Gran Enciclopèdia Catalana ID

cardinal-regular

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Gran Enciclopèdia Catalana ID (former scheme)

0267791

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Microsoft Academic ID

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26 January 2022

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

ProofWiki ID

Definition:Regular_Cardinal

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(Q1193137)

regular cardinal

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