fact: Definition inv_after_iso_twosided_disp {C₁ C₂ : category} {D : twosided_disp_cat C₁ C₂} {x₁ x₂ : C₁} {y₁ y₂ : C₂} {xy₁ : D x₁ y₁} {xy₂ : D x₂ y₂} {f : x₁ --> x₂} {g : y₁ --> y₂} {Hf : is_z_isomorphism f} {Hg : is_z_isomorphism g} {fg : xy₁ -->[ f ][ g ] xy₂} (Hfg : is_iso_twosided_disp Hf Hg fg) : fg ;;2 iso_inv_twosided_disp Hfg = transportb_disp_mor2 (z_iso_inv_after_z_iso (f ,, Hf)) (z_iso_inv_after_z_iso (g ,, Hg)) (id_two_disp _) := pr12 Hfg.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Isos UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat