X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcpms_aaa.ma;h=752c4756f76cb2c105db4e545edff7c4a40e9c10;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=db4eefb221ed7e7826f978e7396cbf1108d3865f;hpb=bac74b5cff042d37e1abc9c961a6c41094b8a294;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_aaa.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_aaa.ma
index db4eefb22..752c4756f 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_aaa.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_aaa.ma
@@ -27,10 +27,10 @@ lemma cpms_aaa_conf (h) (G) (L) (n): Conf3 … (aaa G L) (cpms h G L n).
 /3 width=5 by cpms_fwd_cpxs, cpxs_aaa_conf/ qed-.
 
 lemma cpms_total_aaa (h) (G) (L) (n) (A):
-      ∀T. ⦃G,L⦄ ⊢ T ⁝ A → ∃U. ⦃G,L⦄ ⊢ T ➡*[n,h] U.
+      ∀T. ❪G,L❫ ⊢ T ⁝ A → ∃U. ❪G,L❫ ⊢ T ➡*[n,h] U.
 #h #G #L #n elim n -n
 [ /2 width=3 by ex_intro/
-| #n #IH #A #T1 #HT1 <plus_SO
+| #n #IH #A #T1 #HT1 <plus_SO_dx
   elim (IH … HT1) -IH #T0 #HT10
   lapply (cpms_aaa_conf … HT1 … HT10) -HT1 #HT0
   elim (aaa_cpm_SO h … HT0) -HT0 #T2 #HT02
@@ -39,9 +39,9 @@ lemma cpms_total_aaa (h) (G) (L) (n) (A):
 qed-.
 
 lemma cpms_abst_dx_le_aaa (h) (G) (L) (T) (W) (p):
-      ∀A. ⦃G,L⦄ ⊢ T ⁝ A →
-      ∀n1,U1. ⦃G,L⦄ ⊢ T ➡*[n1,h] ⓛ{p}W.U1 → ∀n2. n1 ≤ n2 →
-      ∃∃U2. ⦃G,L⦄ ⊢ T ➡*[n2,h] ⓛ{p}W.U2 & ⦃G,L.ⓛW⦄ ⊢ U1 ➡*[n2-n1,h] U2.
+      ∀A. ❪G,L❫ ⊢ T ⁝ A →
+      ∀n1,U1. ❪G,L❫ ⊢ T ➡*[n1,h] ⓛ[p]W.U1 → ∀n2. n1 ≤ n2 →
+      ∃∃U2. ❪G,L❫ ⊢ T ➡*[n2,h] ⓛ[p]W.U2 & ❪G,L.ⓛW❫ ⊢ U1 ➡*[n2-n1,h] U2.
 #h #G #L #T #W #p #A #HA #n1 #U1 #HTU1 #n2 #Hn12
 lapply (cpms_aaa_conf … HA … HTU1) -HA #HA
 elim (cpms_total_aaa h … (n2-n1) … HA) -HA #X #H