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cover

family of subsets of a set whose union equals the whole set
Thing general Q331481
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cover

Summary

cover ranks in the top 2% of general entities by monthly Wikipedia readership (137 views/month).[1]

Key Facts

  • cover's subclass of is recorded as set system[2].
  • cover's Freebase ID is recorded as /m/01v13b[3].
  • cover's defining formula is recorded as C\subset\operatorname{Pow}(X)\qquad \bigcup C=X[4].
  • cover's MathWorld ID is recorded as Cover[5].
  • cover's Treccani ID is recorded as ricoprimento[6].
  • cover's nLab ID is recorded as cover[7].
  • cover's maintained by WikiProject is recorded as WikiProject Mathematics[8].
  • cover's Microsoft Academic ID is recorded as 174700866[9].
  • cover's in defining formula is recorded as C[10].
  • cover's in defining formula is recorded as X[11].
  • cover's in defining formula is recorded as \operatorname{Pow}[12].
  • cover's Online PWN Encyclopedia ID is recorded as 3959216[13].
  • cover's PlanetMath ID is recorded as Cover[14].
  • cover's Great Russian Encyclopedia portal ID is recorded as pokrytie-mnozhestva-cc322a[15].

Why It Matters

cover ranks in the top 2% of general entities by monthly Wikipedia readership (137 views/month).[1] cover has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[16] cover is known by 23 alternative names across languages and contexts.[17]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Freebase Data Dumps. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] ↑ . Wikidata sitelinks. wikidata.org.
  3. [17] ↑ . 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). cover. Retrieved April 10, 2026, from https://4ort.xyz/entity/cover-q331481-2
MLA “cover.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/cover-q331481-2.
BibTeX @misc{4ortxyz_cover-q331481-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cover}}, year = {2026}, url = {https://4ort.xyz/entity/cover-q331481-2}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cover — https://4ort.xyz/entity/cover-q331481-2 (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/cover-q331481-2 · Last refreshed: