Category:証明を含む記事

Power of a point

L'Hôpital's rule

Jordan's lemma

Ceva's theorem

Shannon's source coding theorem

Menelaus's theorem

Proof that 22/7 exceeds π

Linear independence

Monge's theorem

Casey's theorem

Leibniz formula for determinants

Taylor's theorem

Kőnig's lemma

Lazy caterer's sequence

Petr–Douglas–Neumann theorem

Dirichlet integral

Analyticity of holomorphic functions

Arzelà–Ascoli theorem

Pappus's area theorem

Jacobi's formula

Napkin ring problem

Newton's theorem (quadrilateral)

Sz.-Nagy's dilation theorem

Open mapping theorem (complex analysis)

Gauss's lemma (number theory)

Carathéodory's theorem (convex hull)

Geometric mean theorem

Mean value theorem (divided differences)