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common knowledge

in a mathematical game, a statement that players know and also know that other players know (ad infinitum)
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common knowledge

Summary

common knowledge ranks in the top 2% of general entities by monthly Wikipedia readership (178 views/month).[1]

Key Facts

  • common knowledge is a type of mutual knowledge[2].
  • common knowledge's different from is recorded as common knowledge[3].

Body

Definition and Type

common knowledge is a type of mutual knowledge[2].

Why It Matters

common knowledge ranks in the top 2% of general entities by monthly Wikipedia readership (178 views/month).[1] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[4]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [4] ↑ . Wikidata sitelinks. 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). common knowledge. Retrieved April 10, 2026, from https://4ort.xyz/entity/common-knowledge
MLA “common knowledge.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/common-knowledge.
BibTeX @misc{4ortxyz_common-knowledge_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{common knowledge}}, year = {2026}, url = {https://4ort.xyz/entity/common-knowledge}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): common knowledge — https://4ort.xyz/entity/common-knowledge (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/common-knowledge · Last refreshed:

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. 7h ago · InternetArchiveBot bot · 2026-05-21 view diff on Wikidata ↗
    Subclass of → mutual knowledge
    Different from → common knowledge
    Subclass of → —
    Aliases → —
    "/* wbsetclaim-update-references:1||1|2 */ [[Property:P10283]]: C31084985, Rescuing 1 sources and submitting 0 for archiving. #IABot (v2.0.9.5)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.