Bayes' theorem

theorem describing the probability of an event based on prior knowledge of conditions that might be related to the event
Intangible theorem Q182505
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Bayes' theorem

Summary

Bayes' theorem is a theorem[1]. It ranks in the top 0.15% of theorem entities by monthly Wikipedia readership (2,537 views/month, #2 of 1,306).[2]

Key Facts

  • Bayes' theorem is credited with the discovery of Thomas Bayes[3].
  • Bayes' theorem's instance of is recorded as theorem[4].
  • Thomas Bayes is named after Bayes' theorem[5].
  • Bayes' theorem's GND ID is recorded as 4144221-0[6].
  • Bayes' theorem's part of is recorded as list of theorems[7].
  • Bayes' theorem's Commons category is recorded as Bayes' theorem[8].
  • Bayes' theorem's MeSH descriptor ID is recorded as D001499[9].
  • Bayes' theorem's BNCF Thesaurus ID is recorded as 73793[10].
  • Bayes' theorem's time of discovery or invention is recorded as +1763-00-00T00:00:00Z[11].
  • Bayes' theorem's Freebase ID is recorded as /m/0d5k4[12].
  • Bayes' theorem's MeSH tree code is recorded as E05.318.740.600.200[13].
  • Bayes' theorem's MeSH tree code is recorded as N05.715.360.750.625.150[14].
  • Bayes' theorem's MeSH tree code is recorded as N06.850.520.830.600.200[15].
  • Bayes' theorem's main subject is recorded as conditional probability[16].
  • Bayes' theorem's spoken text audio is recorded as Teorema de Bayes.ogg[17].
  • Bayes' theorem's Dewey Decimal Classification is recorded as 519.54[18].
  • Bayes' theorem's Encyclopædia Britannica Online ID is recorded as topic/Bayess-theorem[19].
  • Bayes' theorem's used by is recorded as Bayesian statistics[20].
  • Bayes' theorem's used by is recorded as naive Bayes classifier[21].
  • Bayes' theorem's used by is recorded as Bayesian probability[22].
  • Bayes' theorem's defining formula is recorded as P(A \mid B) = \dfrac{P(B \mid A)P(A)}{P(B)}[23].
  • Bayes' theorem's studied by is recorded as probability theory[24].
  • Bayes' theorem's studied by is recorded as Bayesian statistics[25].
  • Bayes' theorem's MathWorld ID is recorded as BayesTheorem[26].
  • Bayes' theorem's Great Russian Encyclopedia Online ID is recorded as 1852607[27].

Body

Works and Contributions

Bayes' theorem is credited with the discovery of Thomas Bayes[3]. Things named for it include Bayesian spam filtering[28], an algorithm[29].

Why It Matters

Bayes' theorem ranks in the top 0.15% of theorem entities by monthly Wikipedia readership (2,537 views/month, #2 of 1,306).[2] It has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[30] It is known by 60 alternative names across languages and contexts.[31]

It has been cited as an influence by Bayesian confidence propagation neural network[32].

Entities named for it include Bayesian spam filtering[28], an algorithm[29].

FAQs

Who did Bayes' theorem influence?

Bayes' theorem has been cited as an influence by Bayesian confidence propagation neural network[32].

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [3] . wikidata.org.
  3. [5] . 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] . Freebase Data Dumps. wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . Integrated Authority File. Retrieved . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [32] . wikidata.org. → on this site
  2. [28] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] . Wikidata sitelinks. wikidata.org.
  3. [31] . 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). Bayes' theorem. Retrieved May 3, 2026, from https://4ort.xyz/entity/bayes-theorem
MLA “Bayes' theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/bayes-theorem.
BibTeX @misc{4ortxyz_bayes-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Bayes' theorem}}, year = {2026}, url = {https://4ort.xyz/entity/bayes-theorem}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Bayes' theorem — https://4ort.xyz/entity/bayes-theorem (retrieved 2026-05-03)

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