fact: Definition mor_from_coalgebra_homo (X Y : coalgebra) (f : coalgebra_homo X Y) : C ⟦X, Y⟧ := pr1 f.
imports: UniMath.Foundations.Propositions UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Limits.Terminal