fact: Definition acommring_amult ( X : acommring ) : isbinopapart ( pr1 ( pr2 X ) ) op2 := pr2 ( pr2 ( pr2 X ) ).
imports: UniMath.Tactics.EnsureStructuredProofs UniMath.Foundations.PartA UniMath.Foundations.Propositions UniMath.Foundations.NaturalNumbers UniMath.Algebra.RigsAndRings UniMath.Algebra.Domains_and_Fields UniMath.NumberSystems.Integers UniMath.Algebra.Monoids