- support for candidates of reducibility continues ...

[helm.git] / matita / matita / contribs / lambda_delta / Basic_2 / substitution / lift_vector.ma

diff --git a/matita/matita/contribs/lambda_delta/Basic_2/substitution/lift_vector.ma b/matita/matita/contribs/lambda_delta/Basic_2/substitution/lift_vector.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 "Basic_2/grammar/term_vector.ma".
+include "Basic_2/substitution/lift.ma".
+
+(* RELOCATION ***************************************************************)
+
+inductive liftv (d,e:nat) : relation (list term) ≝
+| liftv_nil : liftv d e ◊ ◊
+| liftv_cons: ∀T1s,T2s,T1,T2.
+              ⇑[d, e] T1 ≡ T2 → liftv d e T1s T2s →
+              liftv d e (T1 :: T1s) (T2 :: T2s)
+.
+
+interpretation "relocation (vector)" 'RLift d e T1s T2s = (liftv d e T1s T2s).
+