Theorem Equiv.Perm.card_support_eq_two

Modification history

2024-10-23 02:43
Mathlib/GroupTheory/Perm/Support.lean
chore: use newly introduced finset notation (#17974) …
Modified Equiv.Perm.card_support_eq_twoView on Github →
2023-03-17 16:26
Mathlib/GroupTheory/Perm/Support.lean
feat: port GroupTheory.Perm.Cycle.Basic (#2528) …
Modified Equiv.Perm.card_support_eq_twoView on Github →
2023-01-17 10:45
Mathlib/GroupTheory/Perm/Support.lean
feat: port GroupTheory.Perm.Support (#1614)
Added Equiv.Perm.card_support_eq_twoView on Github →