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Theorem add_submonoid.centralizer_to_add_subsemigroup

Modification history

2022-05-10 03:35
src/group_theory/submonoid/centralizer.lean
feat(group_theory/subsemigroup/{center, centralizer}): define center and centralizer as subsemigroups (#13627) …
Added add_submonoid.centralizer_to_add_subsemigroupView on Github →