lambda-delta must be a contrib

[helm.git] / matita / matita / lib / lambda-delta / substitution / lift_weight.ma

diff --git a/matita/matita/lib/lambda-delta/substitution/lift_weight.ma b/matita/matita/lib/lambda-delta/substitution/lift_weight.ma
deleted file mode 100644 (file)
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--- a/matita/matita/lib/lambda-delta/substitution/lift_weight.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 "lambda-delta/syntax/weight.ma".
-include "lambda-delta/substitution/lift.ma".
-
-(* RELOCATION ***************************************************************)
-
-lemma tw_lift: ∀d,e,T1,T2. ↑[d, e] T1 ≡ T2 → #T1 = #T2.
-#d #e #T1 #T2 #H elim H -d e T1 T2; normalize //
-qed.