Theorem div_nonpos_of_nonneg_of_nonpos

Modification history

2024-10-28 14:12
Mathlib/Algebra/Order/GroupWithZero/Unbundled.lean
feat: `a / b < 0 → 0 ≤ a → b < 0` (#18260)
Modified div_nonpos_of_nonneg_of_nonposView on Github →
2024-08-26 13:45
Mathlib/Algebra/Order/Field/Unbundled/Basic.lean
refactor: Generalise ordered field lemmas to ordered groups with zero (#16036) …
Modified div_nonpos_of_nonneg_of_nonposView on Github →
2024-07-17 17:39
Mathlib/Algebra/Order/Field/Defs.lean
chore (Algebra.Order.Field.Defs): split off results about unbundled ordered algebra (#14451) …
Modified div_nonpos_of_nonneg_of_nonposView on Github →
2024-03-20 09:04
Mathlib/Algebra/Order/Field/Basic.lean
chore: Move basic ordered field lemmas (#11503) …
Modified div_nonpos_of_nonneg_of_nonposView on Github →
2022-12-19 23:36
Mathlib/Algebra/Order/Field/Basic.lean
feat: port Algebra.Order.Field.Basic (#1065)
Added div_nonpos_of_nonneg_of_nonposView on Github →