Euclid's first theorem

theorem in Euclidean geometry
Intangible theorem Q3921905
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Euclid's first theorem

Summary

Euclid's first theorem is a theorem[1]. It is known by 5 alternative names across languages and contexts.[2]

Key Facts

  • Euclid's first theorem is credited with the discovery of Euclid[3].
  • Euclid's first theorem's image is recorded as Kathetensatz.svg[4].
  • Euclid's first theorem's instance of is recorded as theorem[5].
  • Euclid is named after Euclid's first theorem[6].
  • Euclid's first theorem's part of is recorded as Pythagoras–Euclid theorems[7].
  • Euclid's first theorem's Commons category is recorded as Euclid's proof of Pythagorean theorem[8].
  • Euclid's first theorem's defining formula is recorded as \overline{AC} : \overline{CB} = \overline{CB} : \overline{CH}[9].
  • Euclid's first theorem's defining formula is recorded as \overline{CB}^{2} = \overline{AC} \cdot \overline{CH}[10].
  • Euclid's first theorem's Google Knowledge Graph ID is recorded as /g/122cc1_m[11].
  • Euclid's first theorem's Google Knowledge Graph ID is recorded as /g/121hg7f4[12].
  • Euclid's first theorem's maintained by WikiProject is recorded as WikiProject Mathematics[13].

Body

Works and Contributions

Euclid's first theorem is credited with the discovery of Euclid[3].

Why It Matters

Euclid's first theorem is known by 5 alternative names across languages and contexts.[2]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [3] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . 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.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Euclid's first theorem. Retrieved May 3, 2026, from https://4ort.xyz/entity/euclid-s-first-theorem
MLA “Euclid's first theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/euclid-s-first-theorem.
BibTeX @misc{4ortxyz_euclid-s-first-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Euclid's first theorem}}, year = {2026}, url = {https://4ort.xyz/entity/euclid-s-first-theorem}, note = {Accessed: 2026-05-03}}
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