fact: Definition setquot_aux {X : monoid} (R : hrel X) : hrel X := λ x y : X, ∃ c : X, R (x + c)%addmonoid (y + c)%addmonoid.
imports: UniMath.Foundations.NaturalNumbers UniMath.Algebra.RigsAndRings UniMath.Algebra.Groups UniMath.Algebra.DivisionRig UniMath.Algebra.Domains_and_Fields UniMath.Algebra.ConstructiveStructures UniMath.MoreFoundations.Tactics