fact: Definition comppathwithfun {X Y Z : UU} {f_1 f_2 : X → Y} (e: f_1 = f_2) (g: Y → Z) : f_1 ;; g = f_2 ;; g.
imports: UniMath.Foundations.All UniMath.Induction.PolynomialFunctors UniMath.CategoryTheory.Core.Functors UniMath.Induction.FunctorAlgebras_legacy