Similar to 階数・退化次数の定理

Angle bisector theorem

Carathéodory's theorem (convex hull)

Geometric mean theorem

Locally connected space

Coupon collector's problem

Casey's theorem

Kőnig's lemma

Primitive Pythagorean triple

Kempner series

Cauchy's mean value theorem

Mean value theorem (divided differences)

Schiffler point

Shannon's source coding theorem

Noisy-channel coding theorem

Jordan's lemma

Sylvester–Gallai theorem

Stewart's theorem

Law of sines

Law of tangents

Analyticity of holomorphic functions

Diagonal lemma

Thales's theorem

Monotone convergence theorem

Ceva's theorem

Intermediate value theorem

Parallelogram law

Taylor's theorem

Dirichlet integral