fact: Definition isweqfiberwise2cellto2cellalt {XX YY : algebra_ob P} (ff gg : algebra_mor P XX YY) (e : pr1 ff = pr1 gg) : isweq (fiberwise2cellto2cellalt ff gg e).
imports: UniMath.Foundations.All UniMath.Induction.PolynomialFunctors UniMath.CategoryTheory.Core.Functors UniMath.Induction.FunctorAlgebras_legacy