nLab Fano's axiom

Idea

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1. Idea

Fano’s axiom is an axiom in synthetic projective geometry stating that for a complete quadrangle the three diagonal points are never colinear.

This is a theorem for a projective plane over a field in characteristic different from 22.

category: geometry

Last revised on April 23, 2025 at 03:13:03. See the history of this page for a list of all contributions to it.