fact: Definition isldistr_mult_plusNonnegativeRationals: ∏ x y z : NonnegativeRationals, z * (x + y) = z * x + z * y := CommDivRig_isldistr.
imports: UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Sets UniMath.MoreFoundations.Orders UniMath.RealNumbers.Sets UniMath.RealNumbers.Fields UniMath.Algebra.DivisionRig UniMath.OrderTheory.Lattice.Lattice UniMath.RealNumbers.Prelim