proposition: Lemma isrinv_Dcuts_inv : ∏ x : Dcuts, ∏ Hx0 : x ≠ 0, Dcuts_mult x (Dcuts_inv x Hx0) = 1.
proof: Proof. intros x Hx0. rewrite iscomm_Dcuts_mult. now apply islinv_Dcuts_inv. Qed.
imports: UniMath.MoreFoundations.Orders UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.Notations UniMath.RealNumbers.Sets UniMath.Algebra.ConstructiveStructures UniMath.OrderTheory.Lattice.Lattice UniMath.RealNumbers.Prelim UniMath.RealNumbers.NonnegativeRationals