fact: Definition mor_preserves_opcartesian_to_mor_preserves_cartesian {B : bicat} {e₁ b₁ : B} {p₁ : e₁ --> b₁} {e₂ b₂ : B} {p₂ : e₂ --> b₂} {fe : e₁ --> e₂} (H : mor_preserves_opcartesian p₁ p₂ fe) : @mor_preserves_cartesian (op2_bicat B) e₁ b₁ p₁ e₂ b₂ p₂ 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