fact: Definition maponpaths_naturality' {X Y : UU} {f : X -> Y} {x x' x'' : X} {p : x' = x} {q : x' = x''} {p' : f x' = f x} {q' : f x' = f x''} (r : maponpaths f p = p') (s : maponpaths f q = q') : maponpaths f (!p @ q) = (!p') @ q'.
imports: UniMath.Foundations.All UniMath.MoreFoundations.Tactics