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_cnx.ma;h=8cfec456c565749f5e38c95166bc73475348d205;hp=3cd1edff96a9cbf29fd7d3d10d55c7bbf40fd43d;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_cnx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_cnx.ma
index 3cd1edff9..8cfec456c 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_cnx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_cnx.ma
@@ -20,10 +20,10 @@ include "basic_2/rt_computation/csx.ma".
 (* Properties with normal terms for unbound parallel rt-transition **********)
 
 (* Basic_1: was just: sn3_nf2 *)
-lemma cnx_csx: ∀h,G,L,T. ⦃G,L⦄ ⊢ ⬈[h] 𝐍⦃T⦄ → ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃T⦄.
+lemma cnx_csx: ∀h,G,L,T. ❪G,L❫ ⊢ ⬈[h] 𝐍❪T❫ → ❪G,L❫ ⊢ ⬈*[h] 𝐒❪T❫.
 /2 width=1 by NF_to_SN/ qed.
 
 (* Advanced properties ******************************************************)
 
-lemma csx_sort: ∀h,G,L,s. ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃⋆s⦄.
+lemma csx_sort: ∀h,G,L,s. ❪G,L❫ ⊢ ⬈*[h] 𝐒❪⋆s❫.
 /3 width=4 by cnx_csx, cnx_sort/ qed.