X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fcomputation%2Ffpbg.ma;h=f400f5c437482ae97c2d5b3cf3105679024899b6;hb=7ad8c044ab33ea0f2aebb1c40fa20340d7f2f3eb;hp=5a7e77736f3eaa4bf6b87171d745cf5a32ebefdc;hpb=a5b0e6d1efb9b5126cc1d72d954edc9a5e630981;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/fpbg.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/fpbg.ma
index 5a7e77736..f400f5c43 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/fpbg.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/fpbg.ma
@@ -13,7 +13,7 @@
 (**************************************************************************)
 
 include "basic_2/notation/relations/btpredstarproper_8.ma".
-include "basic_2/substitution/fsupp.ma".
+include "basic_2/substitution/fqup.ma".
 include "basic_2/reduction/fpbc.ma".
 include "basic_2/computation/fpbs.ma".
 
@@ -68,9 +68,9 @@ lemma fpbs_fpbg_trans: ∀h,g,G1,G,L1,L,T1,T. ⦃G1, L1, T1⦄ ≥[h, g] ⦃G, L
 /3 width=5 by fpbg_strap2/
 qed-.
 
-lemma fsupp_fpbg: ∀h,g,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊃+ ⦃G2, L2, T2⦄ → ⦃G1, L1, T1⦄ >[h, g] ⦃G2, L2, T2⦄.
-#h #g #G1 #G2 #L1 #L2 #T1 #T2 #H @(fsupp_ind … L2 T2 H) -G2 -L2 -T2
-/4 width=5 by fpbg_strap1, fpbc_fpbg, fpbc_fsup, fpb_fsupq, fsup_fsupq/
+lemma fqup_fpbg: ∀h,g,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊃+ ⦃G2, L2, T2⦄ → ⦃G1, L1, T1⦄ >[h, g] ⦃G2, L2, T2⦄.
+#h #g #G1 #G2 #L1 #L2 #T1 #T2 #H @(fqup_ind … L2 T2 H) -G2 -L2 -T2
+/4 width=5 by fpbg_strap1, fpbc_fpbg, fpbc_fqu, fpb_fquq, fqu_fquq/
 qed.
 
 lemma cpxs_fpbg: ∀h,g,G,L,T1,T2. ⦃G, L⦄ ⊢ T1 ➡*[h, g] T2 → (T1 = T2 → ⊥) →