X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Funfold%2Flifts_vector.ma;h=9ea173a567a4f0a45d36f7f26d7193728402d864;hb=fec1a061eeca5e7e05b4f0c3e299983b163569c3;hp=1690c9f6639c772281fabc0a70da8e29a0c5660c;hpb=e0827239f4b44f2af9c7f88c4c7c41f2a193ae37;p=helm.git

diff --git a/matita/matita/contribs/lambda_delta/basic_2/unfold/lifts_vector.ma b/matita/matita/contribs/lambda_delta/basic_2/unfold/lifts_vector.ma
index 1690c9f66..9ea173a56 100644
--- a/matita/matita/contribs/lambda_delta/basic_2/unfold/lifts_vector.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/unfold/lifts_vector.ma
@@ -21,7 +21,7 @@ inductive liftsv (des:list2 nat nat) : relation (list term) ≝
 | liftsv_nil : liftsv des ◊ ◊
 | liftsv_cons: ∀T1s,T2s,T1,T2.
                ⇧*[des] T1 ≡ T2 → liftsv des T1s T2s →
-               liftsv des (T1 :: T1s) (T2 :: T2s)
+               liftsv des (T1 @ T1s) (T2 @ T2s)
 .
 
 interpretation "generic relocation (vector)"