axiom of regularity

axiom stating that all sets are well-founded
Thing axiom_of_set_theory Q470981
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axiom of regularity

Summary

axiom of regularity is an axiom of set theory[1]. It draws 139 Wikipedia views per month (axiom_of_set_theory category, ranking #2 of 17).[2]

Key Facts

  • axiom of regularity's instance of is recorded as axiom of set theory[3].
  • axiom of regularity's part of is recorded as list of axioms[4].
  • axiom of regularity's Freebase ID is recorded as /m/0ww8[5].
  • axiom of regularity's defining formula is recorded as \forall x\colon x\ne\varnothing\implies\exists y\in x\colon y\cap x=\varnothing[6].
  • axiom of regularity's studied by is recorded as Zermelo–Fraenkel set theory[7].
  • axiom of regularity's MathWorld ID is recorded as AxiomofFoundation[8].
  • axiom of regularity's JSTOR topic ID is recorded as axiom-of-regularity[9].
  • axiom of regularity's nLab ID is recorded as axiom of foundation[10].
  • axiom of regularity's maintained by WikiProject is recorded as WikiProject Mathematics[11].
  • axiom of regularity's Microsoft Academic ID is recorded as 2780276191[12].
  • axiom of regularity's ProofWiki ID is recorded as Axiom:Axiom_of_Foundation[13].
  • axiom of regularity's in defining formula is recorded as \varnothing[14].
  • axiom of regularity's in defining formula is recorded as \cap[15].
  • axiom of regularity's Metamath statement ID is recorded as ax-reg[16].

Why It Matters

axiom of regularity draws 139 Wikipedia views per month (axiom_of_set_theory category, ranking #2 of 17).[2] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[17] It is known by 16 alternative names across languages and contexts.[18]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . Freebase Data Dumps. wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [17] . Wikidata sitelinks. wikidata.org.
  3. [18] . Wikidata aliases. wikidata.org.

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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). axiom of regularity. Retrieved May 3, 2026, from https://4ort.xyz/entity/axiom-of-regularity
MLA “axiom of regularity.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/axiom-of-regularity.
BibTeX @misc{4ortxyz_axiom-of-regularity_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{axiom of regularity}}, year = {2026}, url = {https://4ort.xyz/entity/axiom-of-regularity}, note = {Accessed: 2026-05-03}}
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