Theorem MonoidHom.restrict_surjective

Modification history

2026-07-20 01:34
Mathlib/GroupTheory/FiniteAbelian/Duality.lean
refactor: rename restrict to domRestrict (#25980) …
Deleted MonoidHom.restrict_surjectiveView on Github →
2026-02-26 19:49
Mathlib/GroupTheory/FiniteAbelian/Duality.lean
feat(GroupTheory/FiniteAbelian): construct bijection between subgroups and subgroups of the dual (#33792)
Modified MonoidHom.restrict_surjectiveView on Github →
2026-02-13 16:28
Mathlib/GroupTheory/FiniteAbelian/Duality.lean
feat(GroupTheory/FiniteAbelian): prove that the restriction map is surjective (#33403) …
Added MonoidHom.restrict_surjectiveView on Github →