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Ogden's lemma

generalization of the pumping lemma for context-free languages
Thing lemma Q1855893
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Ogden's lemma

Summary

Ogden's lemma is a lemma[1]. It draws 13 Wikipedia views per month (lemma category, ranking #32 of 67).[2]

Key Facts

  • Ogden's lemma's instance of is recorded as lemma[3].
  • Ogden's lemma's Freebase ID is recorded as /m/0bjbch[4].
  • Ogden's lemma's maintained by WikiProject is recorded as WikiProject Mathematics[5].
  • Ogden's lemma's Microsoft Academic ID is recorded as 2779368166[6].

Why It Matters

Ogden's lemma draws 13 Wikipedia views per month (lemma category, ranking #32 of 67).[2] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[7] It is known by 3 alternative names across languages and contexts.[8]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . Freebase Data Dumps. wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [7] ↑ . Wikidata sitelinks. wikidata.org.
  3. [8] ↑ . 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). Ogden's lemma. Retrieved May 3, 2026, from https://4ort.xyz/entity/ogden-s-lemma
MLA “Ogden's lemma.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ogden-s-lemma.
BibTeX @misc{4ortxyz_ogden-s-lemma_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ogden's lemma}}, year = {2026}, url = {https://4ort.xyz/entity/ogden-s-lemma}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ogden's lemma — https://4ort.xyz/entity/ogden-s-lemma (retrieved 2026-05-03)

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