Def derangements

Modification history

2023-08-10 19:52
Mathlib/Combinatorics/Derangements/Basic.lean
chore: banish `Type _` and `Sort _` (#6499) …
Modified derangementsView on Github →
2023-03-23 16:06
Mathlib/Combinatorics/Derangements/Basic.lean
feat: Port/Combinatorics.Derangements.Basic (#2530)
Added derangementsView on Github →