fact: Definition mortoid_discrete_twosided_disp {C₁ C₂ : category} {D : twosided_disp_cat C₁ C₂} (HD : discrete_twosided_disp_cat D) {x : C₁} {y : C₂} (xy₁ xy₂ : D x y) (r : xy₁ -->[ identity x ][ identity y ] xy₂) : 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.PrecategoryBinProduct UniMath.CategoryTheory.Profunctors.Core UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat UniMath.CategoryTheory.TwoSidedDisplayedCats.Isos UniMath.CategoryTheory.TwoSidedDisplayedCats.Univalence