fact: Definition nataddabmonoid_nataddabmonoid_to_monoid_fun {X : gr} (x : X) : abmonoiddirprod nataddabmonoid nataddabmonoid -> X := nat_nat_to_monoid_fun x.
imports: UniMath.Foundations.NaturalNumbers UniMath.MoreFoundations.PartA UniMath.MoreFoundations.NegativePropositions UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Algebra.RigsAndRings UniMath.NumberSystems.NaturalNumbersAlgebra