X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fnta_ind.ma;h=d459d184ad6f6736aad06e0e11738033e3c43e2e;hp=4f9b52385aa9f66de95b70727bbc951118120652;hb=87f57ddc367303c33e19c83cd8989cd561f3185b;hpb=d777d94825ce0127beefaec44b7808e9c1916340

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_ind.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_ind.ma
index 4f9b52385..d459d184a 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_ind.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_ind.ma
@@ -71,7 +71,7 @@ lemma nta_ind_rest_cnv (h) (Q:relation4 …):
   /4 width=5 by nta_bind_cnv/
 | #V #T #HG #HL #HT #X #H destruct
   elim (nta_inv_appl_sn … H) -H #p #W #U #HVW #HTU #HUX #HX
-  /4 width=9 by nta_appl/
+  /4 width=9 by nta_appl, ylt_inj/
 | #U #T #HG #HL #HT #X #H destruct
   elim (nta_inv_cast_sn … H) -H #HTU #HUX #HX
   /4 width=4 by nta_cast/