X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcpts_cpms.ma;h=479b3898d9d0597576eccb6159f04c61d80b8b83;hp=52e9bc8b82f16b6e77ca4c4965d0a81866f46dfc;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

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 52e9bc8b8..479b3898d 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 ➡*[n,h] T2.
+      ∀T1,T2. ❪G,L❫ ⊢ T1 ⬆*[h,n] T2 → ❪G,L❫ ⊢ T1 ➡*[n,h] 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] T2 → ⦃G,L⦄ ⊢ T1 ➡*[n,h] T2.
+      ∀T1. ❪G,L❫ ⊢ T1 ⬆*[h,n] T →
+      ∀T2. ❪G,L❫ ⊢ T ➡*[h] T2 → ❪G,L❫ ⊢ T1 ➡*[n,h] T2.
 #h #n #G #L #T #T1 #HT1 #T2 #HT2
 /3 width=3 by cpts_fwd_cpms, cpms_cprs_trans/ qed-.