fact: Definition isactionhrel (E : hrel M) : UU := ∏ r a b, E a b -> E (r * a) (r * b).
imports: UniMath.Foundations.Sets UniMath.MoreFoundations.Tactics UniMath.Algebra.RigsAndRings UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Algebra.Modules.Core UniMath.Algebra.Modules.Submodule