proposition: Corollary curry_comp {x y z w : C} (f : z ~> w) (g : x × y ~> z) : curry (f ∘ g) ≈ curry (f ∘ eval) ∘ curry g.
proof: Proof. rewrite curry_comp_l. rewrite <- comp_assoc. rewrite eval_first; cat. Qed.
imports: Category.Lib Category.Theory.Category Category.Theory.Isomorphism Category.Structure.Terminal Category.Structure.Cartesian Category.Instance.Sets