X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fs_transition%2Ffqu_weight.ma;h=3b9964b46ce54263e3fcf1f84b371a1e845771ed;hb=a454837a256907d2f83d42ced7be847e10361ea9;hp=365f5c2dbc64d6539eefc44b906c37598356441f;hpb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/static_2/s_transition/fqu_weight.ma b/matita/matita/contribs/lambdadelta/static_2/s_transition/fqu_weight.ma
index 365f5c2db..3b9964b46 100644
--- a/matita/matita/contribs/lambdadelta/static_2/s_transition/fqu_weight.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/s_transition/fqu_weight.ma
@@ -20,8 +20,8 @@ include "static_2/s_transition/fqu.ma".
 
 (* Forward lemmas with weight for closures **********************************)
 
-lemma fqu_fwd_fw: ∀b,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐[b] ⦃G2, L2, T2⦄ →
-                  ♯{G2, L2, T2} < ♯{G1, L1, T1}.
+lemma fqu_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 -G1 -G2 -L1 -L2 -T1 -T2 //
 #I #I1 #I2 #G #L #HI12 normalize in ⊢ (?%%); -I1
 <(lifts_fwd_tw … HI12) /3 width=1 by monotonic_lt_plus_r, monotonic_lt_plus_l/
@@ -30,7 +30,7 @@ qed-.
 (* Advanced eliminators *****************************************************)
 
 lemma fqu_wf_ind: ∀b. ∀Q:relation3 …. (
-                     ∀G1,L1,T1. (∀G2,L2,T2. ⦃G1, L1, T1⦄ ⊐[b] ⦃G2, L2, T2⦄ → Q G2 L2 T2) →
+                     ∀G1,L1,T1. (∀G2,L2,T2. ⦃G1,L1,T1⦄ ⬂[b] ⦃G2,L2,T2⦄ → Q G2 L2 T2) →
 		                 Q G1 L1 T1
 		              ) → ∀G1,L1,T1. Q G1 L1 T1.
 #b #Q #HQ @(f3_ind … fw) #x #IHx #G1 #L1 #T1 #H destruct /4 width=2 by fqu_fwd_fw/