fact: Definition comp_disp {C: precategory_data} {D : disp_cat_data C} {x y z : C} {f : x --> y} {g : y --> z} {xx : D x} {yy} {zz} (ff : xx -->[f] yy) (gg : yy -->[g] zz) : xx -->[f · g] zz := pr2 (pr2 D) _ _ _ _ _ _ _ _ ff gg.
imports: UniMath.Foundations.Sets UniMath.Foundations.PartD UniMath.MoreFoundations.PartA UniMath.MoreFoundations.AxiomOfChoice UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.whiskering