outer measure

Mathematical function
Thing general Q258374
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outer measure

Summary

outer measure ranks in the top 2% of general entities by monthly Wikipedia readership (58 views/month).[1]

Key Facts

  • outer measure's subclass of is recorded as set function[2].
  • outer measure's Freebase ID is recorded as /m/02gk3w[3].
  • outer measure's defining formula is recorded as \nu(\emptyset) = 0, A \subseteq B \Rightarrow \nu(A) \leq \nu(B),\nu\left(\bigcup_{i = 1}^{\infty} A_i\right) \leq \sum_{i = 1}^{\infty} \nu(A_i)[4].
  • outer measure's MathWorld ID is recorded as OuterMeasure[5].
  • outer measure's maintained by WikiProject is recorded as WikiProject Mathematics[6].
  • outer measure's Microsoft Academic ID is recorded as 143924541[7].
  • outer measure's ProofWiki ID is recorded as Definition:Outer_Measure[8].
  • outer measure's Encyclopedia of Mathematics article ID is recorded as Outer_measure[9].
  • outer measure's PlanetMath ID is recorded as OuterMeasure[10].
  • outer measure's OpenAlex ID is recorded as C143924541[11].

Why It Matters

outer measure ranks in the top 2% of general entities by monthly Wikipedia readership (58 views/month).[1] It has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[12] It is known by 3 alternative names across languages and contexts.[13]

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] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.

Aggregate / graph-position facts

  1. [1] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] . Wikidata sitelinks. wikidata.org.
  3. [13] . 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). outer measure. Retrieved April 10, 2026, from https://4ort.xyz/entity/outer-measure
MLA “outer measure.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/outer-measure.
BibTeX @misc{4ortxyz_outer-measure_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{outer measure}}, year = {2026}, url = {https://4ort.xyz/entity/outer-measure}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): outer measure — https://4ort.xyz/entity/outer-measure (retrieved 2026-04-10)

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