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Set.neg_mem_centralizer
Modification history
2024-04-20 06:50
Mathlib/Algebra/Ring/Centralizer.lean
chore: refactor to avoid importing Ring for Group topics (#11913) …
Modified
Set.neg_mem_centralizer
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2023-01-02 20:39
Mathlib/GroupTheory/Subsemigroup/Centralizer.lean
feat: port GroupTheory.Subsemigroup.Centralizer (#1286) …
Added
Set.neg_mem_centralizer
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