Kochen–Specker theorem

theorem that any hidden-variable theory describing quantum mechanics must be contextual
Thing no_go_theorem Q528955
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Kochen–Specker theorem

Summary

Kochen–Specker theorem is a no-go theorem[1]. It draws 106 Wikipedia views per month (no_go_theorem category, ranking #4 of 5).[2]

Key Facts

  • Kochen–Specker theorem's instance of is recorded as no-go theorem[3].
  • Simon B. Kochen is named after Kochen–Specker theorem[4].
  • Ernst Specker is named after Kochen–Specker theorem[5].
  • Kochen–Specker theorem's time of discovery or invention is recorded as +1967-00-00T00:00:00Z[6].
  • Kochen–Specker theorem's Freebase ID is recorded as /m/0b05kz[7].
  • Kochen–Specker theorem's main subject is recorded as quantum contextuality[8].
  • Kochen–Specker theorem's main subject is recorded as hidden-variable theory[9].
  • Kochen–Specker theorem's short name is recorded as {'lang': 'en', 'text': 'KS theorem'}[10].
  • Kochen–Specker theorem's studied by is recorded as quantum mechanics[11].
  • Kochen–Specker theorem's Stanford Encyclopedia of Philosophy ID is recorded as kochen-specker[12].
  • Kochen–Specker theorem's nLab ID is recorded as Kochen-Specker theorem[13].
  • Kochen–Specker theorem's maintained by WikiProject is recorded as WikiProject Mathematics[14].
  • Kochen–Specker theorem's Microsoft Academic ID is recorded as 193588502[15].
  • Kochen–Specker theorem's OpenAlex ID is recorded as C193588502[16].

Why It Matters

Kochen–Specker theorem draws 106 Wikipedia views per month (no_go_theorem category, ranking #4 of 5).[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[17] It is known by 4 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] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . Freebase Data Dumps. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . plato.stanford.edu. plato.stanford.edu. Provenance: wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . OpenAlex. Retrieved . docs.openalex.org. Provenance: 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.

📑 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). Kochen–Specker theorem. Retrieved May 3, 2026, from https://4ort.xyz/entity/kochen-specker-theorem
MLA “Kochen–Specker theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/kochen-specker-theorem.
BibTeX @misc{4ortxyz_kochen-specker-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kochen–Specker theorem}}, year = {2026}, url = {https://4ort.xyz/entity/kochen-specker-theorem}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kochen–Specker theorem — https://4ort.xyz/entity/kochen-specker-theorem (retrieved 2026-05-03)

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