Similar to ヘリーの定理

Carathéodory's theorem (convex hull)

Krein–Milman theorem

Arzelà–Ascoli theorem

Apollonius point

Kepler conjecture

Five lemma

Apollonius's theorem

Euler's formula

Cauchy's mean value theorem

Schiffler point

Sylvester–Gallai theorem

Stewart's theorem

Thales's theorem

Ceva's theorem

Annales de Gergonne

P-adic Teichmüller theory

RSA (cryptosystem)

Witch of Agnesi

Abelian group

Category of abelian groups

Abelian category

Abelian variety

Abel's theorem

Abel equation

Abel–Jacobi map

Abel–Ruffini theorem