Theorem Equiv.Perm.sumCongrHom.card_range

Modification history

2023-08-10 19:52
Mathlib/GroupTheory/Perm/Subgroup.lean
chore: banish `Type _` and `Sort _` (#6499) …
Modified Equiv.Perm.sumCongrHom.card_rangeView on Github →
2023-02-06 07:44
Mathlib/GroupTheory/Perm/Subgroup.lean
feat: port GroupTheory.Perm.Subgroup (#2086)
Added Equiv.Perm.sumCongrHom.card_rangeView on Github →