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isCancelMulZero_iff_isDomain_or_subsingleton
Modification history
2024-01-05 13:39
Mathlib/Algebra/Ring/Basic.lean
feat(Mathlib/Algebra/Ring/Basic): Subsingleton, NoZeroDivisors and IsDomain (#9407) …
Added
isCancelMulZero_iff_isDomain_or_subsingleton
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