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Theorems · Theorem · order theory

mul_neg_of_pos_of_neg

∀ {α : Type u_1} [inst : MulZeroClass α] {a b : α} [inst_1 : Preorder α] [PosMulStrictMono α], 0 < a → b < 0 → a * b < 0
Defined in
Mathlib.Algebra.Order.GroupWithZero.Basic
Cited by
13 results in Mathlib
Foundations
Depth 6 from the axioms · uses no axioms
Assumes
MulZeroClassPreorderPosMulStrictMono

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