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Theorem set.div_mem_center

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.div_mem_centerView on Github →
2021-09-03 22:57
src/group_theory/submonoid/center.lean
feat(ring_theory/subring): field structure on centers of a division_ring (#8472) …
Added set.div_mem_centerView on Github →