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Theorem
pos_and_pos_or_neg_and_neg_of_smul_pos
Modification history
2023-12-19 08:26
Mathlib/Algebra/Order/Module/Defs.lean
feat: Mixins for monotonicity of scalar multiplication (#8869) …
Added
pos_and_pos_or_neg_and_neg_of_smul_pos
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