X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Ffpb_fqup.ma;h=bc612ea2f0e4bcb0d158a5f0a9dc667b5b260300;hb=e0c91d8a4422da0b39aca790e5826dc8a617b303;hp=71f214c3479353aa710895ee2a74473f35aba4bb;hpb=e23331eef5817eaa6c5e1c442d1d6bbb18650573;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpb_fqup.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpb_fqup.ma
index 71f214c34..bc612ea2f 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpb_fqup.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpb_fqup.ma
@@ -25,14 +25,14 @@ lemma fpb_refl: tri_reflexive … fpb.
 
 (* Basic_2A1: uses: fpbq_cpx *)
 lemma cpx_fpb (G) (L):
-      ∀T1,T2. ❪G,L❫ ⊢ T1 ⬈ T2 → ❪G,L,T1❫ ≽ ❪G,L,T2❫.
+      ∀T1,T2. ❨G,L❩ ⊢ T1 ⬈ T2 → ❨G,L,T1❩ ≽ ❨G,L,T2❩.
 /2 width=5 by fpb_intro/ qed.
 
 (* Basic_2A1: uses: fpbq_fquq *)
 lemma fquq_fpb (G1) (G2) (L1) (L2) (T1) (T2):
-      ❪G1,L1,T1❫ ⬂⸮ ❪G2,L2,T2❫ → ❪G1,L1,T1❫ ≽ ❪G2,L2,T2❫.
+      ❨G1,L1,T1❩ ⬂⸮ ❨G2,L2,T2❩ → ❨G1,L1,T1❩ ≽ ❨G2,L2,T2❩.
 /2 width=5 by fpb_intro/ qed.
 
 lemma fqu_fpb (G1) (G2) (L1) (L2) (T1) (T2):
-      ❪G1,L1,T1❫ ⬂ ❪G2,L2,T2❫ → ❪G1,L1,T1❫ ≽ ❪G2,L2,T2❫.
+      ❨G1,L1,T1❩ ⬂ ❨G2,L2,T2❩ → ❨G1,L1,T1❩ ≽ ❨G2,L2,T2❩.
 /3 width=5 by fquq_fpb, fqu_fquq/ qed.