Similar to ジョルダンの補題

Locally connected space

Coupon collector's problem

Casey's theorem

Kőnig's lemma

Tree of primitive Pythagorean triples

Cauchy's mean value theorem

Mean value theorem (divided differences)

Schiffler point

Shannon's source coding theorem

Noisy-channel coding theorem

Sylvester–Gallai theorem

Stewart's theorem

Law of sines

Law of tangents

Linear independence

Diagonal lemma

Thales's theorem

Monotone convergence theorem

Ceva's theorem

Intermediate value theorem

Parallelogram law

Taylor's theorem

Dirichlet integral

Thébault's theorem

De Moivre's formula

Ptolemy's theorem

Sz.-Nagy's dilation theorem

Seven circles theorem