X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcpts_cpms.ma;h=7b75964463d9b06bc978e57297a27ee39e26eeaa;hb=7c9d99dfb049d726491b71f07ba6a9b088b30166;hp=a21ec7041f5e82502ec6dfa39c2beeb47a3e962b;hpb=ca7327c20c6031829fade8bb84a3a1bb66113f54;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpts_cpms.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpts_cpms.ma
index a21ec7041..7b7596446 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpts_cpms.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpts_cpms.ma
@@ -21,7 +21,7 @@ include "basic_2/rt_computation/cpts.ma".
 (* Forward lemmas with t-bound rt-computation for terms *********************)
 
 lemma cpts_fwd_cpms (h) (n) (G) (L):
-      ∀T1,T2. ❪G,L❫ ⊢ T1 ⬆*[h,n] T2 → ❪G,L❫ ⊢ T1 ➡*[h,n] T2.
+      ∀T1,T2. ❨G,L❩ ⊢ T1 ⬆*[h,n] T2 → ❨G,L❩ ⊢ T1 ➡*[h,n] T2.
 #h #n #G #L #T1 #T2 #H
 @(cpts_ind_dx … H) -n -T2 [ // ]
 #n1 #n2 #T #T2 #_ #IH #HT2
@@ -29,7 +29,7 @@ lemma cpts_fwd_cpms (h) (n) (G) (L):
 qed-.
 
 lemma cpts_cprs_trans (h) (n) (G) (L) (T):
-      ∀T1. ❪G,L❫ ⊢ T1 ⬆*[h,n] T →
-      ∀T2. ❪G,L❫ ⊢ T ➡*[h,0] T2 → ❪G,L❫ ⊢ T1 ➡*[h,n] T2.
+      ∀T1. ❨G,L❩ ⊢ T1 ⬆*[h,n] T →
+      ∀T2. ❨G,L❩ ⊢ T ➡*[h,0] T2 → ❨G,L❩ ⊢ T1 ➡*[h,n] T2.
 #h #n #G #L #T #T1 #HT1 #T2 #HT2
 /3 width=3 by cpts_fwd_cpms, cpms_cprs_trans/ qed-.