X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fstatic%2Faaa_lifts.ma;h=cf972d0887551deda0f11e6c9bc8c84f071c1993;hb=e258362c37ec6d9132ec57bd5e4987d148c10799;hp=50c795b1f61a82e93450176ae9a4e376f7451b04;hpb=52e675f555f559c047d5449db7fc89a51b977d35;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 50c795b1f..cf972d088 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/static/aaa_lifts.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/static/aaa_lifts.ma
@@ -19,12 +19,12 @@ include "basic_2/static/aaa_lift.ma".
 
 (* Properties concerning generic relocation *********************************)
 
-lemma aaa_lifts: ∀G,L1,L2,T2,A,s,des. ⇩*[s, des] L2 ≡ L1 → ∀T1. ⇧*[des] T1 ≡ T2 →
+lemma aaa_lifts: ∀G,L1,L2,T2,A,s,cs. ⬇*[s, cs] L2 ≡ L1 → ∀T1. ⬆*[cs] T1 ≡ T2 →
                  ⦃G, L1⦄ ⊢ T1 ⁝ A → ⦃G, L2⦄ ⊢ T2 ⁝ A.
-#G #L1 #L2 #T2 #A #s #des #H elim H -L1 -L2 -des
+#G #L1 #L2 #T2 #A #s #cs #H elim H -L1 -L2 -cs
 [ #L #T1 #H #HT1
   <(lifts_inv_nil … H) -H //
-| #L1 #L #L2 #des #d #e #_ #HL2 #IHL1 #T1 #H #HT1
+| #L1 #L #L2 #cs #l #m #_ #HL2 #IHL1 #T1 #H #HT1
   elim (lifts_inv_cons … H) -H /3 width=10 by aaa_lift/
 ]
 qed.