class

mathematical collection of sets that can be defined based on a property of its members (set theory)
Thing general Q217594
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class

Summary

class ranks in the top 2% of general entities by monthly Wikipedia readership (145 views/month).[1]

Key Facts

  • class's followed by is recorded as category[2].
  • class's subclass of is recorded as mathematical object[3].
  • class's subclass of is recorded as mathematical structure[4].
  • class's Freebase ID is recorded as /m/056cc[5].
  • class's PSH ID is recorded as 7148[6].
  • class's described by source is recorded as Armenian Soviet Encyclopedia, vol. 3[7].
  • class's Encyclopædia Britannica Online ID is recorded as science/class-mathematics[8].
  • class's different from is recorded as Klasse[9].
  • class's different from is recorded as Klass[10].
  • class's different from is recorded as Clase[11].
  • class's different from is recorded as Class[12].
  • class's different from is recorded as Klasa[13].
  • class's different from is recorded as class[14].
  • class's studied by is recorded as set theory[15].
  • class's BabelNet ID is recorded as 01341184n[16].
  • class's disjoint union of is recorded as list of values as qualifiers[17].
  • class's MathWorld ID is recorded as SetClass[18].
  • class's nLab ID is recorded as class[19].
  • class's model item is recorded as proper class[20].
  • class's model item is recorded as elementary class[21].
  • class's maintained by WikiProject is recorded as WikiProject Mathematics[22].
  • class's Fandom article ID is recorded as googology:Class_(set_theory)[23].
  • class's Microsoft Academic ID is recorded as 142805521[24].
  • class's ProofWiki ID is recorded as Definition:Class_(Class_Theory)[25].
  • class's Encyclopedia of Mathematics article ID is recorded as Class[26].

Why It Matters

class ranks in the top 2% of general entities by monthly Wikipedia readership (145 views/month).[1] class has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[27] class is known by 21 alternative names across languages and contexts.[28]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . wikidata.org.
  4. [5] . Freebase Data Dumps. wikidata.org.
  5. [6] . wikidata.org.
  6. [7] . wikidata.org.
  7. [8] . wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . wikidata.org.
  13. [14] . wikidata.org.
  14. [15] . wikidata.org.
  15. [16] . BabelNet. wikidata.org.
  16. [17] . wikidata.org.
  17. [18] . wikidata.org.
  18. [19] . wikidata.org.
  19. [20] . PlanetMath. Retrieved . wikidata.org.
  20. [21] . wikidata.org.
  21. [22] . wikidata.org.
  22. [23] . wikidata.org.
  23. [24] . wikidata.org.
  24. [25] . wikidata.org.
  25. [26] . wikidata.org.

Aggregate / graph-position facts

  1. [1] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [27] . Wikidata sitelinks. wikidata.org.
  3. [28] . Wikidata aliases. wikidata.org.

📑 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). class. Retrieved April 10, 2026, from https://4ort.xyz/entity/class-q217594
MLA “class.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/class-q217594.
BibTeX @misc{4ortxyz_class-q217594_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{class}}, year = {2026}, url = {https://4ort.xyz/entity/class-q217594}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): class — https://4ort.xyz/entity/class-q217594 (retrieved 2026-04-10)

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