Linked from

The 66 pages that link to Projective geometry, each with the reason it gives.

• Butterfly theoremNarrower topic: Projective methods place midpoint configurations within a broader theory of geometric invariants.

• Cayley–Bacharach theoremNarrower topic: The theorem’s formulation and classical development belong to projective geometry.

• Clifford's circle theoremsRelated: Its nineteenth-century development provides historical context for incidence-based theorems.

• Desargues's theoremNarrower topic: Desargues's theorem is a foundational incidence result in this geometry.

• Monge's theoremRelated: Its treatment of lines at infinity offers a broader setting for geometric collinearity.

• Corrado SegreNarrower topic: Its methods supplied the ambient setting for Segre’s geometric investigations.

• Dieudonné's theoremNarrower topic: The theorem arose from classifying transformations intrinsic to this geometry.

• Five circles theoremNarrower topic: Projective viewpoints can reveal incidence structure behind circle-concyclicity proofs.

• Geometry (configuration)Related: It treats perspective transformations that do not preserve ordinary distances or angles.

• Pasch's theoremCompared with: Its treatment of lines and boundaries differs from the ordered, triangle-crossing setting of Pasch's theorem.

• Pohlke's theoremRelated: The theorem's projection setting connects it to this broader geometric tradition.

• Poncelet's closure theoremNarrower topic: Projective transformations simplify the conics while preserving the incidence structure behind closure.

• Reuschle's theoremCompared with: It offers a different framework from the metric circle geometry relevant to the theorem.

• Seven circles theoremRelated: Projective methods can expose incidence structure beneath the Euclidean circle setup.

• Steiner conicNarrower topic: Steiner's construction is defined by projective relations rather than metric measurements.

• Thomsen's theoremNarrower topic: Thomsen's theorem belongs to geometry that retains incidence while disregarding metric measurements.