X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fnta_aaa.ma;h=d2e11b9d3ccc62db49cf28770bec3a490e15694c;hp=485daf488a35ce3f7ec284266b53e66840a69356;hb=25c634037771dff0138e5e8e3d4378183ff49b86;hpb=bd53c4e895203eb049e75434f638f26b5a161a2b

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_aaa.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_aaa.ma
index 485daf488..d2e11b9d3 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_aaa.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_aaa.ma
@@ -43,7 +43,7 @@ qed-.
 (* Basic_1: uses: ty3_repellent *)
 theorem nta_abst_repellent (h) (a) (p) (G) (K):
         ∀W,T,U1. ❪G,K❫ ⊢ ⓛ[p]W.T :[h,a] U1 →
-        ∀U2. ❪G,K.ⓛW❫ ⊢ T :[h,a] U2 → ⇧*[1] U1 ≘ U2 → ⊥.
+        ∀U2. ❪G,K.ⓛW❫ ⊢ T :[h,a] U2 → ⇧[1] U1 ≘ U2 → ⊥.
 #h #a #p #G #K #W #T #U1 #H1 #U2 #H2 #HU12
 elim (nta_fwd_aaa … H2) -H2 #A2 #H2T #H2U2
 elim (nta_fwd_aaa … H1) -H1 #X1 #H1 #HU1