fact: Definition abgr_precategory_integer_fun_iscomprelfun {X : abgr} (x : X) : iscomprelfun (binopeqrelabgrdiff (rigaddabmonoid natcommrig)) (nat_nat_prod_abmonoid_monoidfun x).
imports: UniMath.Foundations.NaturalNumbers UniMath.MoreFoundations.PartA UniMath.MoreFoundations.NegativePropositions UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Algebra.RigsAndRings UniMath.NumberSystems.NaturalNumbersAlgebra