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 has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[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 is part of list of theorems[6].
  • Bayes' theorem's Commons category is recorded as Bayes' theorem[7].
  • Bayes' theorem's time of discovery or invention is recorded as 1763[8].
  • Bayes' theorem's main subject is conditional probability[9].
  • Bayes' theorem's used by is recorded as Bayesian statistics[10].
  • Bayes' theorem's used by is recorded as naive Bayes classifier[11].
  • Bayes' theorem's used by is recorded as Bayesian probability[12].
  • Bayes' theorem's studied by is recorded as probability theory[13].
  • Bayes' theorem's studied by is recorded as Bayesian statistics[14].
  • Bayes' theorem's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[15].
  • Bayes' theorem's maintained by WikiProject is recorded as WikiProject Mathematics[16].

Body

Definition and Type

Bayes' theorem's instance of is recorded as theorem[4].

Origins

Thomas Bayes is named after Bayes' theorem[5].

Use and Application

Bayes' theorem is part of list of theorems[6]. Recorded used by include Bayesian statistics[10], naive Bayes classifier[11], and Bayesian probability[12].

Influence

Things named for Bayes' theorem include Bayesian spam filtering[17], an algorithm[18].

Why It Matters

Bayes' theorem has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[2] It is known by 60 alternative names across languages and contexts.[19]

It has been cited as an influence by Bayesian confidence propagation neural network[20].

Entities named for it include Bayesian spam filtering[17], an algorithm[18].

FAQs

Who did Bayes' theorem influence?

Bayes' theorem has been cited as an influence by Bayesian confidence propagation neural network[20].

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] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [20] . wikidata.org. → on this site
  2. [17] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [18] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [19] . 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}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 17d ago · Yirba · 2026-06-20 view diff on Wikidata ↗
    Used by
    Instance of theorem
    Part of
    Maintained by wikiproject WikiProject Mathematics
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37444|batch #37444]]: Encyclopedia of China (Third Edition) ID (2026) ([[Property:P14541]]) 2"
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