Category:証明を含む記事

Stewart's theorem

Parallelogram law

Proof that 22/7 exceeds π

Petr–Douglas–Neumann theorem

Locally connected space

Apollonius's theorem

Dirichlet integral

Routh's theorem

Rank–nullity theorem

Diagonal lemma

Pappus's area theorem

Pappus's hexagon theorem

Leibniz formula for determinants

Banach fixed-point theorem

Taylor circle

Seven circles theorem

Napkin ring problem

Schiffler point

Sz.-Nagy's dilation theorem

Open mapping theorem (complex analysis)

Gauss's lemma (number theory)

Carathéodory's theorem (convex hull)

Mean value theorem (divided differences)

Lazy caterer's sequence

Menelaus's theorem

Rolle's theorem

Hardy–Littlewood inequality