Category:証明を含む記事

Pythagorean theorem

Menelaus's theorem

Stewart's theorem

Ceva's theorem

Dominated convergence theorem

Law of tangents

Ptolemy's theorem

Jordan's lemma

Leibniz formula for determinants

Angle bisector theorem

Law of cotangents

Sylvester–Gallai theorem

Taylor's theorem

Linear independence

Tangent half-angle substitution

Dirichlet integral

Thales's theorem

Locally connected space

Parallelogram law

Power of a point

Feuerbach's theorem

Proof that 22/7 exceeds π

Rank–nullity theorem

Kempner series

Banach–Alaoglu theorem

Interesting number paradox

Poincaré–Bendixson theorem

Five lemma