X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fstatic%2Faaa_lifts.ma;h=d3018298d5be557a7f36e91a942e5d46261674cf;hb=5a35a42e23b2f343f0241eeb6648bf05f31720db;hp=7afcc4131402047a86ba9dfe477b5e2af669d53b;hpb=f16bbb93ecb40fa40f736e0b1158e1c7676a640a;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/static/aaa_lifts.ma b/matita/matita/contribs/lambdadelta/basic_2/static/aaa_lifts.ma
index 7afcc4131..d3018298d 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/static/aaa_lifts.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/static/aaa_lifts.ma
@@ -12,19 +12,19 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "basic_2/substitution/ldrops.ma".
+include "basic_2/multiple/drops.ma".
 include "basic_2/static/aaa_lift.ma".
 
 (* ATONIC ARITY ASSIGNMENT ON TERMS *****************************************)
 
 (* Properties concerning generic relocation *********************************)
 
-lemma aaa_lifts: ∀L1,L2,T2,A,des. ⇩*[des] L2 ≡ L1 → ∀T1. ⇧*[des] T1 ≡ T2 →
-                                  L1 ⊢ T1 ⁝ A →  L2 ⊢ T2 ⁝ A.
-#L1 #L2 #T2 #A #des #H elim H -L1 -L2 -des
+lemma aaa_lifts: ∀G,L1,L2,T2,A,s,des. ⬇*[s, des] L2 ≡ L1 → ∀T1. ⬆*[des] T1 ≡ T2 →
+                 ⦃G, L1⦄ ⊢ T1 ⁝ A → ⦃G, L2⦄ ⊢ T2 ⁝ A.
+#G #L1 #L2 #T2 #A #s #des #H elim H -L1 -L2 -des
 [ #L #T1 #H #HT1
   <(lifts_inv_nil … H) -H //
 | #L1 #L #L2 #des #d #e #_ #HL2 #IHL1 #T1 #H #HT1
-  elim (lifts_inv_cons … H) -H /3 width=9/
+  elim (lifts_inv_cons … H) -H /3 width=10 by aaa_lift/
 ]
 qed.