Techniqueintro
Rule of sum
A counting principle stating that if two actions cannot both happen, the number of ways to do either is the sum of their counts.
A counting principle stating that if two actions cannot both happen, the number of ways to do either is the sum of their counts.
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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