Definitionintro
Even-odd fill rule
Also called alternate fill rule.
A point is inside if a ray from it crosses an odd number of edges.
A point is inside if a ray from it crosses an odd number of edges.
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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