Theorem nonneg_and_nonneg_or_nonpos_and_nonpos_of_mul_nnonneg

Modification history

2023-10-18 06:03
Mathlib/Algebra/Order/Ring/Defs.lean
fix(Algebra/Order/Ring/Defs): typo in nonneg (#7736)
Deleted nonneg_and_nonneg_or_nonpos_and_nonpos_of_mul_nnonnegView on Github →
2022-12-08 07:28
Mathlib/Algebra/Order/Ring/Defs.lean
feat: port Algebra.Order.[Ring|Field].Defs (#905) …
Added nonneg_and_nonneg_or_nonpos_and_nonpos_of_mul_nnonnegView on Github →