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Theorem set.center_units_subset

Modification history

2022-05-04 07:50
src/group_theory/submonoid/center.lean
refactor(group_theory/{submonoid, subsemigroup}/{center, centralizer}): move set.center and set.centralizer into subsemigroup (#13903) …
Modified set.center_units_subsetView on Github →
2021-08-31 10:54
src/group_theory/submonoid/center.lean
feat(group_theory/submonoid): center of a submonoid (#8921) …
Added set.center_units_subsetView on Github →