fact: Definition pb_of_discrete_1cell {B : bicat} {x₁ x₂ y₁ y₂ : B} {p₁ : x₁ --> y₁} {p₂ : x₁ --> x₂} {f : y₁ --> y₂} {g : x₂ --> y₂} {γ : invertible_2cell (p₁ · f) (p₂ · g)} (pb := make_pb_cone x₁ p₁ p₂ γ) (H : has_pb_ump pb) (Hf : discrete_1cell f) : discrete_1cell p₂.
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.Morphisms.FullyFaithful UniMath.Bicategories.Morphisms.DiscreteMorphisms UniMath.Bicategories.Morphisms.InternalStreetFibration UniMath.Bicategories.Morphisms.InternalStreetOpFibration UniMath.Bicategories.Morphisms.Properties.Composition UniMath.Bicategories.Limits.Pullbacks UniMath.Bicategories.Limits.Examples.OpCellBicatLimits