Similar to レクセルの定理

Arzelà–Ascoli theorem

Apollonius point

Thales's theorem

Geometric mean 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

Ceva's theorem

Thébault's theorem

Lune of Hippocrates

Feuerbach's theorem

Broyden–Fletcher–Goldfarb–Shanno algorithm

Limited-memory BFGS

QR decomposition

Einstein problem

Causal dynamical triangulation

Wigner D-matrix

Cantor function

Annales de Gergonne

P-adic Teichmüller theory