countable set

set with the same cardinality as some subset of the set of natural numbers
Thing general Q66707394
Press Enter · cited answer in seconds

countable set

Summary

countable set ranks in the top 2% of general entities by monthly Wikipedia readership (207 views/month).[1]

Key Facts

  • countable set's subclass of is recorded as set[2].
  • countable set's part of is recorded as list of types of sets[3].
  • countable set's Commons category is recorded as Countable sets[4].
  • countable set's opposite of is recorded as uncountable set[5].
  • countable set's opposite of is recorded as cocountable subset[6].
  • countable set's different from is recorded as countably infinite set[7].
  • countable set's studied by is recorded as set theory[8].
  • countable set's disjoint union of is recorded as list of values as qualifiers[9].
  • countable set's MathWorld ID is recorded as CountableSet[10].
  • countable set's Quora topic ID is recorded as Countable[11].
  • countable set's JSTOR topic ID is recorded as countability[12].
  • countable set's Elhuyar ZTH ID is recorded as 033602[13].
  • countable set's less than is recorded as uncountable set[14].
  • countable set's maintained by WikiProject is recorded as WikiProject Mathematics[15].
  • countable set's ProofWiki ID is recorded as Definition:Countable_Set[16].
  • countable set's Australian Educational Vocabulary ID is recorded as scot/2774[17].
  • countable set's Lex ID is recorded as tællelig_mængde[18].

Why It Matters

countable set ranks in the top 2% of general entities by monthly Wikipedia readership (207 views/month).[1] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[19] It is known by 18 alternative names across languages and contexts.[20]

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [3] . 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] . Quora. wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . wikidata.org.
  13. [14] . wikidata.org.
  14. [15] . wikidata.org.
  15. [16] . wikidata.org.
  16. [17] . wikidata.org.
  17. [18] . wikidata.org.

Aggregate / graph-position facts

  1. [1] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [19] . Wikidata sitelinks. wikidata.org.
  3. [20] . 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). countable set. Retrieved April 11, 2026, from https://4ort.xyz/entity/countable-set
MLA “countable set.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/countable-set.
BibTeX @misc{4ortxyz_countable-set_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{countable set}}, year = {2026}, url = {https://4ort.xyz/entity/countable-set}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): countable set — https://4ort.xyz/entity/countable-set (retrieved 2026-04-11)

Canonical URL: https://4ort.xyz/entity/countable-set · Last refreshed: