-(**************************************************************************)
-(* ___ *)
-(* ||M|| *)
-(* ||A|| A project by Andrea Asperti *)
-(* ||T|| *)
-(* ||I|| Developers: *)
-(* ||T|| The HELM team. *)
-(* ||A|| http://helm.cs.unibo.it *)
-(* \ / *)
-(* \ / This file is distributed under the terms of the *)
-(* v GNU General Public License Version 2 *)
-(* *)
-(**************************************************************************)
-
-include "ground/lib/stream_hdtl.ma".
-include "ground/relocation/pstream.ma".
-
-(* RELOCATION P-STREAM ******************************************************)
-
-(* Properties with stream_tl *************************************************)
-
-lemma tl_push: ∀f. f = ⫰⫯f.
-// qed.
-
-lemma tl_next: ∀f. ⫰f = ⫰↑f.
-* // qed.