X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fs_transition%2Ffquq.ma;h=93112ac2bc5f7cb937f320a585c042a9f95aa146;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=fc36281aa816da8f53e0a2378614793d351c3d95;hpb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/static_2/s_transition/fquq.ma b/matita/matita/contribs/lambdadelta/static_2/s_transition/fquq.ma
index fc36281aa..93112ac2b 100644
--- a/matita/matita/contribs/lambdadelta/static_2/s_transition/fquq.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/s_transition/fquq.ma
@@ -37,7 +37,7 @@ interpretation
 lemma fquq_refl: ∀b. tri_reflexive … (fquq b).
 // qed.
 
-lemma fqu_fquq: ∀b,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐[b] ⦃G2, L2, T2⦄ → ⦃G1, L1, T1⦄ ⊐⸮[b] ⦃G2, L2, T2⦄.
+lemma fqu_fquq: ∀b,G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂[b] ❪G2,L2,T2❫ → ❪G1,L1,T1❫ ⬂⸮[b] ❪G2,L2,T2❫.
 /2 width=1 by or_introl/ qed.
 
 (* Basic_2A1: removed theorems 8: