proposition: Lemma RmultapRzero: ∏ (x y : Reals), (x * y ≠ 0) -> (x ≠ 0) ∧ (y ≠ 0).
proof: Proof. exact CFmultapCFzero. Qed.
imports: UniMath.Algebra.Groups UniMath.Foundations.Preamble UniMath.MoreFoundations.Orders UniMath.MoreFoundations.Tactics UniMath.OrderTheory.Lattice.Lattice UniMath.RealNumbers.Prelim UniMath.RealNumbers.Sets UniMath.RealNumbers.NonnegativeRationals UniMath.RealNumbers.NonnegativeReals