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 810fb85f31d672e83e0bce0490ad12b2d987c0d1..ba56c516c71b77e992f8af5cdbe9abf6dd67a129 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
@@ -22,6 +22,6 @@ include "basic_2/rt_transition/cnx.ma".
 lemma cnx_teqx_trans (G) (L):
       ∀T1. ❪G,L❫ ⊢ ⬈𝐍 T1 → ∀T2. T1 ≛ T2 → ❪G,L❫ ⊢ ⬈𝐍 T2.
 #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 *)
+lapply (teqx_cpx_trans … HT12 … HT2) -HT2 #H
+lapply (HT1 … H) -HT1 -H /2 width=5 by teqx_canc_sn/ (**) (* full auto fails *)
 qed-.