fact: Definition isarchring_2 {X : ring} (R : hrel X) : isarchring R -> ∏ x : X, ∃ n : nat, R (nattoring n) x := pr2.
imports: UniMath.Foundations.NaturalNumbers UniMath.Algebra.RigsAndRings UniMath.Algebra.Groups UniMath.Algebra.DivisionRig UniMath.Algebra.Domains_and_Fields UniMath.Algebra.ConstructiveStructures UniMath.MoreFoundations.Tactics