{A B C} (f : A -> B -> C) {a a' : A} (p : a = a') {b b' : B} (q : b = b') : ap (uncurry f) (path_prod' p q) = ap011 f p q. Proof. by destruct q, p. Defined.
Require Import Basics.Overture Basics.Equivalences Basics.PathGroupoids Require Import Types.Empty.