club set

closed cofinal subset of an ordinal
Thing general Q310647
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club set

Summary

club set ranks in the top 2% of general entities by monthly Wikipedia readership (11 views/month).[1]

Key Facts

  • club set's subclass of is recorded as cofinal subset[2].
  • club set's subclass of is recorded as closed set[3].
  • club set's subclass of is recorded as stationary set[4].
  • club set's part of is recorded as club filter[5].
  • club set's Freebase ID is recorded as /m/04m7n_[6].
  • club set's defining formula is recorded as \forall\alpha<\kappa\colon\left((\sup(C\cap\alpha)=\alpha\implies \alpha\in C) \land \exists \beta\in C\colon \alpha<\beta\right)<sup id="cite-C6" class="cite-ref" title="club set — defining formula (P2534): \forall\alpha<\kappa\colon\left((\sup(C\cap\alpha)=\alpha\implies \alpha\in C) \land \exists \beta\in C\colon \alpha<\beta\right)">[7].
  • club set's set cardinality is recorded as infinity[8].
  • club set's maintained by WikiProject is recorded as WikiProject Mathematics[9].
  • club set's Microsoft Academic ID is recorded as 2778959819[10].

Why It Matters

club set ranks in the top 2% of general entities by monthly Wikipedia readership (11 views/month).[1] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[11]

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). club set. Retrieved April 10, 2026, from https://4ort.xyz/entity/club-set
MLA “club set.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/club-set.
BibTeX @misc{4ortxyz_club-set_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{club set}}, year = {2026}, url = {https://4ort.xyz/entity/club-set}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): club set — https://4ort.xyz/entity/club-set (retrieved 2026-04-10)

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