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butterfly theorem

theorem
Intangible theorem Q377047

Facts

7 properties
Instance of
theorem
Part of
list of theorems[3]
Maintained by WikiProject
WikiProject Mathematics[8]
Named after
butterfly[2]
Statement describes
circle, chord[5][6]
Studied by
Euclidean geometry[7]
Time of discovery or invention
1803[4]
🏷️ Also known as
en butterfly theorem ar مبرهنة الفراشة de Schmetterlingssatz el θεώρημα πεταλούδας es teorema de la mariposa fi Perhoslause fr théorème du papillon he משפט הפרפר hi चित्रपतंग प्रमेय it teorema della farfalla ja 胡蝶定理 nl vlinderstelling pl twierdzenie motylkowe pl twierdzenie o motylku pt teorema da borboleta ru теорема о бабочке sv fjärilssatsen th ทฤษฎีบทผีเสื้อ tr Kelebek teoremi uk теорема про метелика
🔖 Identifiers · 5
Image (Wikimedia Commons)
Butterfly1.svg ↗
Brilliant Wiki ID
butterfly-theorem
Freebase ID
/m/04tnz2
MathWorld ID
ButterflyTheorem
Microsoft Academic ID (discontinued)
9896081

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Statement describes 2
circle, chord
Instance of 1
theorem
Maintained by WikiProject 1
WikiProject Mathematics
Named after 1
butterfly
Part of 1
list of theorems
Studied by 1
Euclidean geometry
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Summary

butterfly theorem is a theorem[1].

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] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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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). butterfly theorem. Retrieved November 4, 2026, from https://4ort.xyz/entity/butterfly-theorem
MLA “butterfly theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/butterfly-theorem.
BibTeX @misc{4ortxyz_butterfly-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{butterfly theorem}}, year = {2026}, url = {https://4ort.xyz/entity/butterfly-theorem}, note = {Accessed: 2026-11-04}}
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