fact: Definition CFplus {X : ConstructiveField} : binop X := λ x y : X, CCDRplus (X := ConstructiveField_ConstructiveCommutativeDivisionRig X) x y.
imports: UniMath.Algebra.DivisionRig UniMath.Algebra.Domains_and_Fields UniMath.Algebra.Apartness UniMath.MoreFoundations.Tactics