fact: Definition mor_preserves_opcartesian {B : bicat} {e₁ b₁ : B} (p₁ : e₁ --> b₁) {e₂ b₂ : B} (p₂ : e₂ --> b₂) (fe : e₁ --> e₂) : UU := ∏ (x : B) (f g : x --> e₁) (γ : f ==> g) (Hγ : is_opcartesian_2cell_sopfib p₁ γ), is_opcartesian_2cell_sopfib p₂ (γ ▹ fe).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.Examples.OpCellBicat UniMath.Bicategories.Core.Univalence UniMath.Bicategories.Core.UnivalenceOp UniMath.Bicategories.Morphisms.InternalStreetFibration