Similar to 有限拡大

Artin–Schreier theory

Abelian extension

Abel–Ruffini theorem

Galois extension

Composite field (mathematics)

Simple extension

0

1

2

3

4

5

6

7

8

9

Mathematics

0.999...

Zero-dimensional space

Zero to the power of zero

One-dimensional space

1 + 1 + 1 + 1 + ⋯

1 + 2 + 3 + 4 + ⋯

1 + 2 + 4 + 8 + ⋯

Root of unity

Ones' complement