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barber paradox

colloquial version of Russell’s paradox: does a barber, who shaves all those — and those only — who do not shave themselves, shave himself?
Thing paradox Q807853
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barber paradox

Summary

barber paradox is a paradox[1]. It draws 350 Wikipedia views per month (paradox category, ranking #27 of 104).[2]

Key Facts

  • barber paradox's instance of is recorded as paradox[3].
  • barber paradox's based on is recorded as Russell's paradox[4].
  • barber paradox's Commons category is recorded as Barber paradox[5].
  • barber paradox's Freebase ID is recorded as /m/0ch8d[6].
  • barber paradox's Encyclopædia Britannica Online ID is recorded as topic/barber-paradox[7].
  • barber paradox's different from is recorded as barbershop paradox[8].
  • barber paradox's MathWorld ID is recorded as BarberParadox[9].
  • barber paradox's maintained by WikiProject is recorded as WikiProject Mathematics[10].
  • barber paradox's Microsoft Academic ID is recorded as 2779219072[11].
  • barber paradox's ProofWiki ID is recorded as Barber_Paradox[12].

Why It Matters

barber paradox draws 350 Wikipedia views per month (paradox category, ranking #27 of 104).[2] It has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[13] It is known by 5 alternative names across languages and contexts.[14]

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] ↑ . wikidata.org.
  4. [6] ↑ . Freebase Data Dumps. wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . MathWorld. Retrieved . mathworld.wolfram.com. Provenance: wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] ↑ . Wikidata sitelinks. wikidata.org.
  3. [14] ↑ . 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). barber paradox. Retrieved May 3, 2026, from https://4ort.xyz/entity/barber-paradox
MLA “barber paradox.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/barber-paradox.
BibTeX @misc{4ortxyz_barber-paradox_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{barber paradox}}, year = {2026}, url = {https://4ort.xyz/entity/barber-paradox}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): barber paradox — https://4ort.xyz/entity/barber-paradox (retrieved 2026-05-03)

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