X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fs_computation%2Ffqup_weight.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fs_computation%2Ffqup_weight.ma;h=6b1f08b143782856d38dac9888f87e80a3b81df4;hb=98fbba1b68d457807c73ebf70eb2a48696381da4;hp=ec05d1e98572341dd8cc8896257629afec3f4622;hpb=65e6209e0758832835ba8d14304a1548d059a634;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/s_computation/fqup_weight.ma b/matita/matita/contribs/lambdadelta/basic_2/s_computation/fqup_weight.ma
index ec05d1e98..6b1f08b14 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/s_computation/fqup_weight.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/s_computation/fqup_weight.ma
@@ -19,24 +19,26 @@ include "basic_2/s_computation/fqup.ma".
 
 (* Forward lemmas with weight for closures **********************************)
 
-lemma fqup_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 @(fqup_ind … H) -G2 -L2 -T2
+lemma fqup_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 @(fqup_ind … H) -G2 -L2 -T2
 /3 width=3 by fqu_fwd_fw, transitive_lt/
 qed-.
 
 (* Advanced eliminators *****************************************************)
 
-lemma fqup_wf_ind: ∀R:relation3 …. (
-                      ∀G1,L1,T1. (∀G2,L2,T2. ⦃G1, L1, T1⦄ ⊐+ ⦃G2, L2, T2⦄ → R G2 L2 T2) →
+lemma fqup_wf_ind: ∀b. ∀R:relation3 …. (
+                      ∀G1,L1,T1. (∀G2,L2,T2. ⦃G1, L1, T1⦄ ⊐+[b] ⦃G2, L2, T2⦄ → R G2 L2 T2) →
                       R G1 L1 T1
                    ) → ∀G1,L1,T1. R G1 L1 T1.
-#R #HR @(f3_ind … fw) #x #IHx #G1 #L1 #T1 #H destruct /4 width=1 by fqup_fwd_fw/
+#b #R #HR @(f3_ind … fw) #x #IHx #G1 #L1 #T1 #H destruct
+/4 width=2 by fqup_fwd_fw/
 qed-.
 
-lemma fqup_wf_ind_eq: ∀R:relation3 …. (
-                         ∀G1,L1,T1. (∀G2,L2,T2. ⦃G1, L1, T1⦄ ⊐+ ⦃G2, L2, T2⦄ → R G2 L2 T2) →
+lemma fqup_wf_ind_eq: ∀b. ∀R:relation3 …. (
+                         ∀G1,L1,T1. (∀G2,L2,T2. ⦃G1, L1, T1⦄ ⊐+[b] ⦃G2, L2, T2⦄ → R G2 L2 T2) →
                          ∀G2,L2,T2. G1 = G2 → L1 = L2 → T1 = T2 → R G2 L2 T2
                       ) → ∀G1,L1,T1. R G1 L1 T1.
-#R #HR @(f3_ind … fw) #x #IHx #G1 #L1 #T1 #H destruct /4 width=7 by fqup_fwd_fw/
+#b #R #HR @(f3_ind … fw) #x #IHx #G1 #L1 #T1 #H destruct
+/4 width=7 by fqup_fwd_fw/
 qed-.