X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fnta_fsb.ma;h=de8554b4820a249801e6b0ff95dee49635b6fc6c;hp=7e94833d3fdb5652ce656cf70e151a5f4520e8ec;hb=3c7b4071a9ac096b02334c1d47468776b948e2de;hpb=2f6f2b7c01d47d23f61dd48d767bcb37aecdcfea

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_fsb.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_fsb.ma
index 7e94833d3..de8554b48 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_fsb.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_fsb.ma
@@ -25,8 +25,8 @@ include "basic_2/dynamic/nta.ma".
 (* Basic_2A1: uses: nta_fwd_csn *)
 theorem nta_fwd_fsb (h) (a) (G) (L):
         ∀T,U. ❪G,L❫ ⊢ T :[h,a] U →
-        ∧∧ ≥𝐒[h] ❪G,L,T❫ & ≥𝐒[h] ❪G,L,U❫.
+        ∧∧ ≥𝐒 ❪G,L,T❫ & ≥𝐒 ❪G,L,U❫.
 #h #a #G #L #T #U #H
 elim (cnv_inv_cast … H) #X #HU #HT #_ #_ -X
-/3 width=2 by cnv_fwd_fsb, conj/
+/3 width=3 by cnv_fwd_fsb, conj/
 qed-.