fact: Definition vcomp_whisker {a b c : C} {f g : C⟦a, b⟧} {h i : C⟦b, c⟧} (x : f ==> g) (y : h ==> i) : (x ▹ h) • (g ◃ y) = (f ◃ y) • (x ▹ i) := pr1 (pr2 (pr2 (pr2 (pr2 (pr2 (pr2 (pr2 (pr2 C)))))))) _ _ _ _ _ _ i x y.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Univalence