fact: Definition path_prod (F G : Functor C (A * B)) (H1 : fst o F = fst o G) (H2 : snd o F = snd o G) : F = G.
imports: Category.Core Functor.Core Category.Prod Functor.Composition.Core Functor.Prod.Core Functor.Paths Types.Prod HoTT.Tactics Types.Forall Types.Sigma Basics.Tactics