Theorem mul_nonpos_iff_pos_imp_nonpos

Modification history

2024-07-31 01:56
Mathlib/Algebra/Order/Ring/Unbundled/Basic.lean
chore (Algebra.Order.Ring.Unbundled.Basic): inline typeclass assumptions (#15334) …
Modified mul_nonpos_iff_pos_imp_nonposView on Github →
2024-07-16 22:43
Mathlib/Algebra/Order/Ring/Defs.lean
chore (Algebra.Order.Ring.Defs): split file and unbundle results (#14393) …
Modified mul_nonpos_iff_pos_imp_nonposView on Github →
2023-12-26 07:50
Mathlib/Algebra/Order/Ring/Defs.lean
feat: `0 ≤ a * b ↔ (0 < a → 0 ≤ b) ∧ (0 < b → 0 ≤ a)` (#9219) …
Added mul_nonpos_iff_pos_imp_nonposView on Github →