fact: Definition is_equivariant_comp {G:gr} {X Y Z:Action G} (p:X->Y) (i:is_equivariant p) (q:Y->Z) (j:is_equivariant q) : is_equivariant (funcomp p q).
imports: UniMath.Foundations.All UniMath.MoreFoundations.Propositions UniMath.MoreFoundations.Notations UniMath.MoreFoundations.Univalence UniMath.MoreFoundations.Tactics UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Combinatorics.OrderedSets