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ordered pair

pair of mathematical objects; tuple of specific length (tuple length n=2)
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ordered pair

Summary

ordered pair ranks in the top 2% of general entities by monthly Wikipedia readership (219 views/month).[1]

Key Facts

  • ordered pair's image is recorded as Ordered Pair Example.svg[2].
  • ordered pair's follows is recorded as singleton[3].
  • ordered pair's followed by is recorded as triple[4].
  • ordered pair's subclass of is recorded as group of 2[5].
  • ordered pair's subclass of is recorded as 𝑛-tuple[6].
  • ordered pair's part of is recorded as binary relation[7].
  • ordered pair's Freebase ID is recorded as /m/05lr1[8].
  • ordered pair's described by source is recorded as ISO 80000-2:2019 Quantities and units — Part 2: Mathematics[9].
  • ordered pair's Encyclopædia Britannica Online ID is recorded as topic/ordered-pair[10].
  • ordered pair's has characteristic is recorded as order[11].
  • ordered pair's different from is recorded as unordered pair[12].
  • ordered pair's defining formula is recorded as (a,b) = { {a}, {a,b} }[13].
  • ordered pair's defining formula is recorded as (a_1, b_1) = (a_2, b_2)\quad \Leftrightarrow \quad a_1 = a_2\text{ and }b_1 = b_2[14].
  • ordered pair's defining formula is recorded as ( a, b ) := {{ {a},\, \emptyset },\, {{b}}}[15].
  • ordered pair's defining formula is recorded as (a,b) := {{a,1},{b,2}}[16].
  • ordered pair's BabelNet ID is recorded as 00012597n[17].
  • ordered pair's MathWorld ID is recorded as OrderedPair[18].
  • ordered pair's set cardinality is recorded as 2[19].
  • ordered pair's JSTOR topic ID is recorded as ordered-pairs[20].
  • ordered pair's nLab ID is recorded as ordered pair[21].
  • ordered pair's Elhuyar ZTH ID is recorded as 133717[22].
  • ordered pair's maintained by WikiProject is recorded as WikiProject Mathematics[23].
  • ordered pair's Microsoft Academic ID is recorded as 206106527[24].
  • ordered pair's Metamath statement ID is recorded as df-op[25].

Body

Works and Contributions

Things named for ordered pair include polydymite[26], a mineral species[27] and dualite[28], a mineral species[29].

Why It Matters

ordered pair ranks in the top 2% of general entities by monthly Wikipedia readership (219 views/month).[1] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[30] It is known by 40 alternative names across languages and contexts.[31]

Entities named for it include polydymite[26], a mineral species[27] and dualite[28], a mineral species[29].

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] ↑ . Elementi di teoria degli insiemi. Retrieved . wikidata.org.
  7. [8] ↑ . Freebase Data Dumps. wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . Elementi di teoria degli insiemi. Retrieved . wikidata.org.
  12. [13] ↑ . Elementi di teoria degli insiemi. Retrieved . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . Elementi di teoria degli insiemi. Retrieved . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [26] ↑ . wikidata.org. → on this site
  2. [28] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [27] ↑ . Wikidata. wikidata.org. → on this site
  2. [29] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] ↑ . Wikidata sitelinks. wikidata.org.
  3. [31] ↑ . 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). ordered pair. Retrieved April 11, 2026, from https://4ort.xyz/entity/ordered-pair
MLA “ordered pair.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/ordered-pair.
BibTeX @misc{4ortxyz_ordered-pair_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ordered pair}}, year = {2026}, url = {https://4ort.xyz/entity/ordered-pair}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ordered pair — https://4ort.xyz/entity/ordered-pair (retrieved 2026-04-11)

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