Similar to ディリクレ積分

Petr–Douglas–Neumann theorem

Helly's theorem

Poincaré–Bendixson theorem

Power of a point

Menelaus's theorem

Monge's theorem

Dominated convergence theorem

Laplace expansion

Law of cosines

Law of cotangents

Routh's theorem

Taylor circle

L'Hôpital's rule

Rolle's theorem

Wiles's proof of Fermat's Last Theorem

Complex analysis

Wirtinger derivatives

Movable singularity

Oka's lemma

Osgood's lemma

Almost periodic function

Analytic continuation

Winding number

Hypergeometric differential equation

Gauss's continued fraction

Removable singularity

Pseudoconvexity