X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fnta_aaa.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fnta_aaa.ma;h=b0814238a82c3fb53f9792f89ed688ebcfe59ab3;hb=67fe9cec87e129a2a41c75d7ed8456a6f3314421;hp=2a3eafa2843a4ba0676b69de06371a9700497576;hpb=86861e6f031df66824a381527dfe847029ff72bc;p=helm.git

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 2a3eafa28..b0814238a 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