X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Ffpbs_fpb.ma;h=711bb73a760eedf65076506059ed210f3dca5ab6;hp=428644da82247a3ab3b8c238a4ae9ab8f7e33058;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_fpb.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_fpb.ma
index 428644da8..711bb73a7 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_fpb.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_fpb.ma
@@ -19,6 +19,6 @@ include "basic_2/rt_computation/fpbs.ma".
 
 (* Properties with proper parallel rst-reduction on closures ****************)
 
-lemma fpb_fpbs: ∀h,G1,G2,L1,L2,T1,T2. ⦃G1,L1,T1⦄ ≻[h] ⦃G2,L2,T2⦄ →
-                ⦃G1,L1,T1⦄ ≥[h] ⦃G2,L2,T2⦄.
+lemma fpb_fpbs: ∀h,G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ≻[h] ❪G2,L2,T2❫ →
+                ❪G1,L1,T1❫ ≥[h] ❪G2,L2,T2❫.
 /3 width=1 by fpbq_fpbs, fpb_fpbq/ qed.