fact: Definition w_eval : algebra_mor _ WW EE := j ,, sigma_j_sharp.
imports: UniMath.Foundations.All UniMath.MoreFoundations.PartA UniMath.Induction.W.Wtypes UniMath.Induction.W.Core UniMath.Induction.FunctorAlgebras_legacy UniMath.Induction.PolynomialFunctors UniMath.Induction.PolynomialAlgebras2Cells UniMath.CategoryTheory.Core.Functors