X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_equivalence%2Fcpcs_csx.ma;h=849ebebf036b14d5a2ad887d311cefe360ab320f;hp=76203c5189455b5e8f6ee708193e8faccd485aea;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_equivalence/cpcs_csx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_equivalence/cpcs_csx.ma
index 76203c518..849ebebf0 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_equivalence/cpcs_csx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_equivalence/cpcs_csx.ma
@@ -22,8 +22,8 @@ include "basic_2/rt_equivalence/cpcs_cprs.ma".
 
 (* Basic_1: was: cpcs_dec *)
 lemma csx_cpcs_dec (h) (G) (L):
-      ∀T1. ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃T1⦄ → ∀T2. ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃T2⦄ →
-      Decidable … (⦃G,L⦄ ⊢ T1 ⬌*[h] T2).
+      ∀T1. ❪G,L❫ ⊢ ⬈*[h] 𝐒❪T1❫ → ∀T2. ❪G,L❫ ⊢ ⬈*[h] 𝐒❪T2❫ →
+      Decidable … (❪G,L❫ ⊢ T1 ⬌*[h] T2).
 #h #G #L #T1 #HT1 #T2 #HT2
 elim (cprre_total_csx … HT1) -HT1 #U1 #HTU1
 elim (cprre_total_csx … HT2) -HT2 #U2 #HTU2