fact: Definition CDRplus {X : ConstructiveDivisionRig} : binop X := λ x y : X, op1 (X := ConstructiveDivisionRig_apsetwith2binop X) x y.
imports: UniMath.Algebra.DivisionRig UniMath.Algebra.Domains_and_Fields UniMath.Algebra.Apartness UniMath.MoreFoundations.Tactics