fact: Definition nullHomotopyTo_transport {X Y} {f:X->Y} {y:Y} (h : nullHomotopyTo f y) {y':Y} (p:y = y') (x:X) : (p # h) x = h x @ p.
imports: UniMath.Foundations.PartD UniMath.Foundations.UnivalenceAxiom UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.Notations