(* This file was automatically generated: do not edit *********************)
+include "LambdaDelta-1/lift/fwd.ma".
-
-include "tlist/defs.ma".
-
-include "lift/fwd.ma".
-
-include "s/props.ma".
+include "LambdaDelta-1/s/props.ma".
theorem thead_x_lift_y_y:
\forall (k: K).(\forall (t: T).(\forall (v: T).(\forall (h: nat).(\forall