fact: Definition mapPathOver {X:Type} {x x':X} (p:x=x') {Y Y': X -> Type} (f : ∏ x, Y x -> Y' x) (y : Y x) (y' : Y x') : PathOver p y y' -> PathOver p (f x y) (f x' y').
imports: UniMath.Foundations.All UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.PartA