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diff --git a/matita/contribs/LAMBDA-TYPES/LambdaDelta-1/lift1/defs.ma b/matita/contribs/LAMBDA-TYPES/LambdaDelta-1/lift1/defs.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                  *)
+(*                                                                        *)
+(**************************************************************************)
+
+(* This file was automatically generated: do not edit *********************)
+
+include "LambdaDelta-1/lift/defs.ma".
+
+definition trans:
+ PList \to (nat \to nat)
+\def
+ let rec trans (hds: PList) on hds: (nat \to nat) \def (\lambda (i: 
+nat).(match hds with [PNil \Rightarrow i | (PCons h d hds0) \Rightarrow (let 
+j \def (trans hds0 i) in (match (blt j d) with [true \Rightarrow j | false 
+\Rightarrow (plus j h)]))])) in trans.
+
+definition lift1:
+ PList \to (T \to T)
+\def
+ let rec lift1 (hds: PList) on hds: (T \to T) \def (\lambda (t: T).(match hds 
+with [PNil \Rightarrow t | (PCons h d hds0) \Rightarrow (lift h d (lift1 hds0 
+t))])) in lift1.
+
+definition lifts1:
+ PList \to (TList \to TList)
+\def
+ let rec lifts1 (hds: PList) (ts: TList) on ts: TList \def (match ts with 
+[TNil \Rightarrow TNil | (TCons t ts0) \Rightarrow (TCons (lift1 hds t) 
+(lifts1 hds ts0))]) in lifts1.
+