Mathlib Changelog
v4
Changelog
About
Github
Theorem
orderOf_eq_card_of_zpowers_eq_top
Modification history
2026-03-23 15:54
Mathlib/GroupTheory/SpecificGroups/Cyclic.lean
chore(GroupTheory/SpecificGroups/Cyclic/Basic): refactor (#36983) …
Modified
orderOf_eq_card_of_zpowers_eq_top
View on Github →
2025-05-06 06:29
Mathlib/GroupTheory/SpecificGroups/Cyclic.lean
feat(GroupTheory/Cyclic): formula for the card & index of kernel & range of powMonoidHom on a cyclic group (#23461) …
Added
orderOf_eq_card_of_zpowers_eq_top
View on Github →