Lebesgue's density theorem

theorem that, the density of a Lebesgue measurable set in Euclidean space is exists and is 0 or 1 almost everywhere
Intangible theorem Q842953
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Lebesgue's density theorem

Summary

Lebesgue's density theorem is a theorem[1]. It draws 69 Wikipedia views per month (theorem category, ranking #232 of 1,306).[2]

Key Facts

  • Lebesgue's density theorem's image is recorded as Lebesgue's Density Theorem.jpg[3].
  • Lebesgue's density theorem's instance of is recorded as theorem[4].
  • Henri Lebesgue is named after Lebesgue's density theorem[5].
  • Lebesgue's density theorem's part of is recorded as list of theorems[6].
  • Lebesgue's density theorem's Freebase ID is recorded as /m/0bsr_w[7].
  • Lebesgue's density theorem's defining formula is recorded as \lim_{r\to0}\frac{\mu (A\cap\operatorname{ball}_r(x))}{\mu (\operatorname{ball}_r(x))} \in {0,1}\quad\mathrm{a.e.}[8].
  • Lebesgue's density theorem's maintained by WikiProject is recorded as WikiProject Mathematics[9].
  • Lebesgue's density theorem's Microsoft Academic ID is recorded as 2776367690[10].
  • Lebesgue's density theorem's in defining formula is recorded as \mu[11].
  • Lebesgue's density theorem's in defining formula is recorded as A[12].
  • Lebesgue's density theorem's in defining formula is recorded as \operatorname{ball}[13].
  • Lebesgue's density theorem's in defining formula is recorded as \mathrm{a.e.}[14].
  • Lebesgue's density theorem's in defining formula is recorded as \cap[15].
  • Lebesgue's density theorem's in defining formula is recorded as r[16].
  • Lebesgue's density theorem's logical consequence of is recorded as Lebesgue differentiation theorem[17].

Why It Matters

Lebesgue's density theorem draws 69 Wikipedia views per month (theorem category, ranking #232 of 1,306).[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[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] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] . Wikidata sitelinks. 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). Lebesgue's density theorem. Retrieved May 3, 2026, from https://4ort.xyz/entity/lebesgue-s-density-theorem
MLA “Lebesgue's density theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lebesgue-s-density-theorem.
BibTeX @misc{4ortxyz_lebesgue-s-density-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lebesgue's density theorem}}, year = {2026}, url = {https://4ort.xyz/entity/lebesgue-s-density-theorem}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Lebesgue's density theorem — https://4ort.xyz/entity/lebesgue-s-density-theorem (retrieved 2026-05-03)

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