Theorem KleinFour.nat_card

Modification history

2023-11-30 19:19
Mathlib/GroupTheory/SpecificGroups/KleinFour.lean
feat: abstract `KleinFour` into a class `IsKleinFour`. (#8565) …
Deleted KleinFour.nat_cardView on Github →
2023-11-10 19:19
Mathlib/GroupTheory/SpecificGroups/KleinFour.lean
Feat (GroupTheory.SpecificGroups.KleinFour): Add the Klein four-group to specific groups. (#7937) …
Added KleinFour.nat_cardView on Github →