update in ground

[helm.git] / matita / matita / contribs / lambdadelta / ground / relocation / pr_ist_tls.ma

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/pr_ist_tls.ma b/matita/matita/contribs/lambdadelta/ground/relocation/pr_ist_tls.ma
new file mode 100644 (file)
index 0000000..7a75563
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/pr_ist_tls.ma
@@ -0,0 +1,27 @@
+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||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/relocation/pr_tls.ma".
+include "ground/relocation/pr_ist.ma".
+
+(* TOTALITY CONDITION FOR PARTIAL RELOCATION MAPS ***************************)
+
+(* Constructions with pr_tls ************************************************)
+
+(*** istot_tls *)
+lemma pr_ist_tls (n) (f): 𝐓❪f❫ → 𝐓❪⫰*[n]f❫.
+#n @(nat_ind_succ … n) -n //
+#n #IH #f #Hf <pr_tls_succ
+/3 width=1 by pr_ist_tl/
+qed.