Pappus's hexagon theorem

# Theorems in projective geometry

Birkhoff–Grothendieck theorem

Cayley–Bacharach theorem

De Bruijn–Erdős theorem (incidence geometry)

De Bruijn–Erdős theorem (incidence geometry) This article is about the number of…

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Pascal's theorem Pascal line GHK of self-crossing hexagon ABCDEF inscribed in ellipse.…

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Bruck–Ryser–Chowla theorem (Redirected from Bruck–Chowla–Ryser theorem) Jump to navigation Jump to search…

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Brianchon's theorem Brianchon's theorem In geometry, Brianchon's theorem is a theorem stating…

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Desargues's theorem Perspective triangles. Corresponding sides of the triangles, when extended, meet…

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