update in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_transition / cnx_cnx.ma

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 76739178d0724cdddd5949bc6af1542111f98cfb..a93454c7d041eef0535c04d7a873e0feab73c683 100644 (file)
--- 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❫ ⊢ ⬈𝐍[h] T1 →
+                      ∀T2. T1 ≛ T2 → ❪G,L❫ ⊢ ⬈𝐍[h] 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 *)