fact: Definition hzldistr ( a b c : hz ) : c * ( a + b ) = ( c * a ) + ( c * b ) := ringldistr hz a b c.
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