fact: Definition pb_disc_sopfib_mor_preserves_opcartesian : mor_preserves_opcartesian φ χ mor_of_pb_disc_sopfib_mor.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.Unitors UniMath.Bicategories.Core.BicategoryLaws UniMath.Bicategories.Core.Univalence UniMath.Bicategories.Core.Discreteness UniMath.Bicategories.Core.TransportLaws UniMath.Bicategories.Morphisms.FullyFaithful UniMath.Bicategories.Morphisms.InternalStreetFibration UniMath.Bicategories.Morphisms.InternalStreetOpFibration UniMath.Bicategories.Morphisms.DiscreteMorphisms UniMath.Bicategories.Morphisms.Properties.ClosedUnderPullback UniMath.Bicategories.DisplayedBicats.Examples.DisplayMapBicatSlice UniMath.Bicategories.Logic.DisplayMapBicat UniMath.Bicategories.Limits.Pullbacks UniMath.Bicategories.Limits.PullbackFunctions