fact: Definition inversePathOver' {X:Type} {x x':X} {p:x'=x} {Y : X -> Type} {y : Y x} {y' : Y x'} : PathOver (!p) y y' → PathOver p y' y.
imports: UniMath.Foundations.All UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.PartA