{A} {P : A -> Type} {a0 a1} {p : a0 = a1} {b0 : P a0} {b1 : P a1} : DPath P p b0 b1 -> DPath P p^ b1 b0. Proof. destruct p. exact inverse. Defined.
Require Import Basics. Require Import Types.Paths Types.Sigma Types.Forall.