X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcsx_feqx.ma;h=7cf01b28dbfa103a451d62825d04db1c00f5caca;hp=a3cf919548c3adc440d941ebe4e99bfbe423733f;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma
index a3cf91954..7cf01b28d 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma
@@ -19,8 +19,8 @@ include "basic_2/rt_computation/csx_reqx.ma".
 
 (* Properties with sort-irrelevant equivalence for closures *****************)
 
-lemma csx_feqx_conf: ∀h,G1,L1,T1. ⦃G1,L1⦄ ⊢ ⬈*[h] 𝐒⦃T1⦄ →
-                     ∀G2,L2,T2. ⦃G1,L1,T1⦄ ≛ ⦃G2,L2,T2⦄ → ⦃G2,L2⦄ ⊢ ⬈*[h] 𝐒⦃T2⦄.
+lemma csx_feqx_conf: ∀h,G1,L1,T1. ❪G1,L1❫ ⊢ ⬈*[h] 𝐒❪T1❫ →
+                     ∀G2,L2,T2. ❪G1,L1,T1❫ ≛ ❪G2,L2,T2❫ → ❪G2,L2❫ ⊢ ⬈*[h] 𝐒❪T2❫.
 #h #G1 #L1 #T1 #HT1 #G2 #L2 #T2 * -G2 -L2 -T2
 /3 width=3 by csx_reqx_conf, csx_teqx_trans/
 qed-.