fact: Definition weq_iso_left_total_of_twosided_disp_cat {y : C₂} (xy₁ xy₂ : left_total_of_twosided_disp_cat y) : (∑ (f : z_iso (pr1 xy₁) (pr1 xy₂)), iso_twosided_disp f (identity_z_iso _) (pr2 xy₁) (pr2 xy₂)) ≃ z_iso_disp (identity_z_iso _) xy₁ xy₂.
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.TwoSidedDisplayedCats.TwoSidedDispCat UniMath.CategoryTheory.TwoSidedDisplayedCats.Isos UniMath.CategoryTheory.TwoSidedDisplayedCats.Univalence