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[helm.git] / matita / matita / contribs / lambdadelta / ground / relocation / gr_sor_tls.ma
diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_sor_tls.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_sor_tls.ma
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-(**************************************************************************)
-(*       ___                                                              *)
-(*      ||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/gr_tls.ma".
-include "ground/relocation/gr_sor.ma".
-
-(* RELATIONAL UNION FOR GENERIC RELOCATION MAPS *****************************)
-
-(* Constructions with gr_tls ************************************************)
-
-(*** sor_tls *)
-lemma gr_sor_tls:
-      ∀f1,f2,f. f1 ⋓ f2 ≘ f →
-      ∀n. ⫰*[n]f1 ⋓ ⫰*[n]f2 ≘ ⫰*[n]f.
-#f1 #f2 #f #Hf #n @(nat_ind_succ … n) -n
-/2 width=1 by gr_sor_tl/
-qed.