Conceptcore
Sign of a permutation
Also called parity of a permutation.
+1 for even and -1 for odd permutations, determined by the number of transpositions.
+1 for even and -1 for odd permutations, determined by the number of transpositions.
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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