X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fs_transition%2Ffquq.ma;h=467de5f8f9d00a3e5f5574113b8c3545bceebcfa;hb=3bf7a0b4185dbffe5b822c907956acdbe2d1c559;hp=d7736ab2013177b4cf901392a7e59e8fb36e67ef;hpb=5b5dca0c118dfbe3ba8f0514ef07549544eb7810;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 d7736ab20..467de5f8f 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: