Similar to ヒポクラテスの定理

Arzelà–Ascoli theorem

Apollonius point

Thales's theorem

Five lemma

Apollonius's theorem

Euler's formula

Carathéodory's theorem (convex hull)

Kempner series

Cauchy's mean value theorem

Schiffler point

Sylvester–Gallai theorem

Stewart's theorem

Law of sines

Ceva's theorem

Thébault's theorem

Newton's theorem (quadrilateral)

Feuerbach's theorem

Lexell's theorem

Annales de Gergonne

P-adic Teichmüller theory

P-adic distribution

RSA cryptosystem

Vieta jumping

Witch of Agnesi

Abelian group

Category of abelian groups

Abelian category