X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcnx_cnx.ma;h=76739178d0724cdddd5949bc6af1542111f98cfb;hp=43fccb612f5249d9f64e19d6bf03e426dbfbd5f5;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_cnx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_cnx.ma
index 43fccb612..76739178d 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_cnx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_cnx.ma
@@ -19,8 +19,8 @@ include "basic_2/rt_transition/cnx.ma".
 
 (* Advanced properties ******************************************************)
 
-lemma cnx_teqx_trans: ∀h,G,L,T1. ⦃G,L⦄ ⊢ ⬈[h] 𝐍⦃T1⦄ →
-                      ∀T2. T1 ≛ T2 → ⦃G,L⦄ ⊢ ⬈[h] 𝐍⦃T2⦄.
+lemma cnx_teqx_trans: ∀h,G,L,T1. ❪G,L❫ ⊢ ⬈[h] 𝐍❪T1❫ →
+                      ∀T2. T1 ≛ T2 → ❪G,L❫ ⊢ ⬈[h] 𝐍❪T2❫.
 #h #G #L #T1 #HT1 #T2 #HT12 #T #HT2
 elim (teqx_cpx_trans … HT12 … HT2) -HT2 #T0 #HT10 #HT0
 lapply (HT1 … HT10) -HT1 -HT10 /2 width=5 by teqx_repl/ (**) (* full auto fails *)