Mathlib Changelog
v4
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zero_le_mul_left
Modification history
2023-12-26 07:50
Mathlib/Algebra/Order/Ring/Defs.lean
feat: `0 ≤ a * b ↔ (0 < a → 0 ≤ b) ∧ (0 < b → 0 ≤ a)` (#9219) …
Deleted
zero_le_mul_left
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2022-12-08 07:28
Mathlib/Algebra/Order/Ring/Defs.lean
feat: port Algebra.Order.[Ring|Field].Defs (#905) …
Added
zero_le_mul_left
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