1 (**************************************************************************)
4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
10 (* \ / This file is distributed under the terms of the *)
11 (* v GNU General Public License Version 2 *)
13 (**************************************************************************)
15 include "ground/lib/stream_tls.ma".
16 include "ground/arith/nat_pred_succ.ma".
17 include "ground/relocation/pstream_tl.ma".
19 (* RELOCATION P-STREAM ******************************************************)
21 (* Poperties with stream_tls ************************************************)
23 lemma tls_next: ∀f. ∀p:pnat. ⫰*[p]f = ⫰*[p]↑f.
24 #f #p >(npsucc_pred p) <stream_tls_swap <stream_tls_swap //