X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fs_transition%2Ffquq_weight.ma;h=605a539055e572da22cdfca24088447f34278d50;hp=3aab7facead4414bcb8c8c633d392b787cfd9ce3;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/static_2/s_transition/fquq_weight.ma b/matita/matita/contribs/lambdadelta/static_2/s_transition/fquq_weight.ma
index 3aab7face..605a53905 100644
--- a/matita/matita/contribs/lambdadelta/static_2/s_transition/fquq_weight.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/s_transition/fquq_weight.ma
@@ -19,8 +19,8 @@ include "static_2/s_transition/fquq.ma".
 
 (* Forward lemmas with weight for closures **********************************)
 
-lemma fquq_fwd_fw: ∀b,G1,G2,L1,L2,T1,T2. ⦃G1,L1,T1⦄ ⬂⸮[b] ⦃G2,L2,T2⦄ →
-                   ♯{G2,L2,T2} ≤ ♯{G1,L1,T1}.
+lemma fquq_fwd_fw: ∀b,G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂⸮[b] ❪G2,L2,T2❫ →
+                   ♯❨G2,L2,T2❩ ≤ ♯❨G1,L1,T1❩.
 #b #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -H [2: * ]
 /3 width=2 by fqu_fwd_fw, lt_to_le/
 qed-.