Similar to 差商に対する平均値の定理

Five lemma

Arzelà–Ascoli theorem

Apollonius point

Apollonius's theorem

0

1

2

3

4

5

6

7

8

9

Proof that 22/7 exceeds π

Proof that π is irrational

Euler's formula

Interesting number paradox

Open mapping theorem (complex analysis)

Rank–nullity theorem

Gauss's lemma (number theory)

Angle bisector theorem

Carathéodory's theorem (convex hull)

Geometric mean theorem

Leibniz formula for determinants

Locally connected space