fact: Definition dpath_path_FFlr {A B : Type} {f : A -> B} {g : B -> A} {x1 x2 : A} (p : x1 = x2) (q : g (f x1) = x1) (r : g (f x2) = x2) : q @ p = ap g (ap f p) @ r <~> transport (fun x => g (f x) = x) p q = r.
imports: Basics.Overture Basics.Equivalences Basics.PathGroupoids Basics.Tactics