Mathlib Changelog
v4
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Theorem
CommMonoidWithZero.IsLeftCancelMulZero.to_IsCancelMulZero
Modification history
2022-12-23 02:51
Mathlib/Algebra/GroupWithZero/Defs.lean
refactor: use `Is*CancelMulZero` (#1137) …
Deleted
CommMonoidWithZero.IsLeftCancelMulZero.to_IsCancelMulZero
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2022-11-30 13:42
Mathlib/Algebra/GroupWithZero/Defs.lean
feat: add IsCancelMulZero (#724) …
Added
CommMonoidWithZero.IsLeftCancelMulZero.to_IsCancelMulZero
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