Definitionintro
Permutation
Also called arrangement, arrangement of a set, bijection of a finite set to itself, bijection of {1..n}.
A rearrangement of n distinct items, equivalently a bijection from a set to itself.
A rearrangement of n distinct items, equivalently a bijection from a set to itself.
About this page
The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.
| Ladder | Level | What the next level needs |
|---|---|---|
| Human proof | H0 no proof |
|
| Lean | L0 no Lean part |
|
| Visual | V0 none |
|
| Writing | W0 stub |
|
Tag 13T8RN Edit this page History Report an error