Definitioncore
Abelian square
Also called Abelian-equivalent square.
A word uv where u and v are nonempty and Abelian equivalent.
A word uv where u and v are nonempty and Abelian equivalent.
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 |
|
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