fact: Definition opfunctorcat_to_functorcatofoppcats : functor ([C,D]^opp) ([C^opp,D^opp]) := opfunctorcat_to_functorcatofoppcats_data ,, opfunctorcat_to_functorcatofoppcats_is_functor.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.OppositeCategory.Core UniMath.CategoryTheory.Adjunctions.Core UniMath.CategoryTheory.Equivalences.Core UniMath.CategoryTheory.whiskering