fact: Definition is_z_iso_total_twosided_disp_cat_inv : total_twosided_disp_category ⟦ (x₂ ,, y₂ ,, xy₂) , (x₁ ,, y₁ ,, xy₁) ⟧ := inv_from_z_iso f_z_iso ,, inv_from_z_iso g_z_iso ,, iso_inv_twosided_disp Hfg.
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