X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fs_transition%2Ffquq_weight.ma;h=faddd7dc6621b255894b7e0bdd14599c8e892879;hp=29b474f2229464e854d0407a52b21be99c9045ac;hb=222044da28742b24584549ba86b1805a87def070;hpb=93bba1c94779e83184d111cd077d4167e42a74aa

diff --git a/matita/matita/contribs/lambdadelta/basic_2/s_transition/fquq_weight.ma b/matita/matita/contribs/lambdadelta/basic_2/s_transition/fquq_weight.ma
index 29b474f22..faddd7dc6 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/s_transition/fquq_weight.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/s_transition/fquq_weight.ma
@@ -19,7 +19,8 @@ include "basic_2/s_transition/fquq.ma".
 
 (* Forward lemmas with weight for closures **********************************)
 
-lemma fquq_fwd_fw: ∀G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐⸮ ⦃G2, L2, T2⦄ → ♯{G2, L2, T2} ≤ ♯{G1, L1, T1}.
-#G1 #G2 #L1 #L2 #T1 #T2 #H elim H -H [2: * ]
-/3 width=1 by fqu_fwd_fw, lt_to_le/
+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-.