X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Ffpbs_aaa.ma;h=9a54fb6c5de04e63c56139d06b0d681f9caa1187;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=0ecacf3e47c6247c840ede0d83e4749c9fb28499;hpb=4173283e148199871d787c53c0301891deb90713;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_aaa.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_aaa.ma
index 0ecacf3e4..9a54fb6c5 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_aaa.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_aaa.ma
@@ -19,8 +19,8 @@ include "basic_2/rt_computation/fpbs.ma".
 
 (* Properties with atomic arity assignment for terms ************************)
 
-lemma fpbs_aaa_conf: ∀h,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ≥[h] ⦃G2, L2, T2⦄ →
-                     ∀A1. ⦃G1, L1⦄ ⊢ T1 ⁝ A1 → ∃A2. ⦃G2, L2⦄ ⊢ T2 ⁝ A2.
+lemma fpbs_aaa_conf: ∀h,G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ≥[h] ❪G2,L2,T2❫ →
+                     ∀A1. ❪G1,L1❫ ⊢ T1 ⁝ A1 → ∃A2. ❪G2,L2❫ ⊢ T2 ⁝ A2.
 #h #G1 #G2 #L1 #L2 #T1 #T2 #H @(fpbs_ind … H) -G2 -L2 -T2 /2 width=2 by ex_intro/
 #G #G2 #L #L2 #T #T2 #_ #H2 #IH1 #A #HA elim (IH1 … HA) -IH1 -A
 /2 width=8 by fpbq_aaa_conf/