Desargues's theorem

proper noun

A theorem stating that two triangles are in perspective axially if and only if they are in perspective centrally.

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Meanings

proper noun
  1. geometryA theorem stating that two triangles are in perspective axially if and only if they are in perspective centrally.

Origin

Named after Girard Desargues.

Full word history & related roots →
Cite this entry
APA

Desargues's theorem. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Desargues's%20theorem

MLA

“Desargues's theorem.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Desargues's%20theorem. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Desargues's theorem,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Desargues's%20theorem.

Source: Desargues's theorem on Wiktionary, CC BY-SA 4.0.