fact: Definition sigma_mor_eq {x : C₁} {y : C₂} {xy : sigma_twosided_disp_cat x y} {f : x --> x} {g : y --> y} {fg₁ fg₂ : xy -->[ f ][ g ] xy} (p : fg₁ = fg₂) : pr2 fg₁ = transportb (λ z, _ -->[ z ] _) (maponpaths _ (maponpaths (λ z, _ ,, z) (maponpaths pr1 p))) (pr2 fg₂).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Isos UniMath.CategoryTheory.DisplayedCats.Univalence UniMath.CategoryTheory.DisplayedCats.Projection UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat UniMath.CategoryTheory.TwoSidedDisplayedCats.Isos UniMath.CategoryTheory.TwoSidedDisplayedCats.Univalence UniMath.CategoryTheory.TwoSidedDisplayedCats.Discrete UniMath.CategoryTheory.TwoSidedDisplayedCats.Total