X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Freduction%2Ffpb.ma;h=efe7c5e3d7963a8a70463f161c5b0bb43c9b97ad;hb=598a5c56535a8339f6533227ab580aff64e2d41c;hp=0a7705e3df6eebb500d75b361474e69ecdc3b9f7;hpb=82fc9726cbd3363dcd08695dbe0179653e6a18a7;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/reduction/fpb.ma b/matita/matita/contribs/lambdadelta/basic_2/reduction/fpb.ma
index 0a7705e3d..efe7c5e3d 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/reduction/fpb.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/reduction/fpb.ma
@@ -13,15 +13,17 @@
 (**************************************************************************)
 
 include "basic_2/notation/relations/btpred_8.ma".
-include "basic_2/relocation/fquq.ma".
-include "basic_2/reduction/llpx.ma".
+include "basic_2/substitution/fquq.ma".
+include "basic_2/multiple/lleq.ma".
+include "basic_2/reduction/lpx.ma".
 
 (* "BIG TREE" PARALLEL REDUCTION FOR CLOSURES *******************************)
 
 inductive fpb (h) (g) (G1) (L1) (T1): relation3 genv lenv term ≝
-| fpb_fquq: ∀G2,L2,T2. ⦃G1, L1, T1⦄ ⊃⸮ ⦃G2, L2, T2⦄ → fpb h g G1 L1 T1 G2 L2 T2
+| fpb_fquq: ∀G2,L2,T2. ⦃G1, L1, T1⦄ ⊐⸮ ⦃G2, L2, T2⦄ → fpb h g G1 L1 T1 G2 L2 T2
 | fpb_cpx : ∀T2. ⦃G1, L1⦄ ⊢ T1 ➡[h, g] T2 → fpb h g G1 L1 T1 G1 L1 T2
-| fpb_llpx: ∀L2. ⦃G1, L1⦄ ⊢ ➡[h, g, T1, 0] L2 → fpb h g G1 L1 T1 G1 L2 T1
+| fpb_lpx : ∀L2. ⦃G1, L1⦄ ⊢ ➡[h, g] L2 → fpb h g G1 L1 T1 G1 L2 T1
+| fpb_lleq: ∀L2. L1 ≡[T1, 0] L2 → fpb h g G1 L1 T1 G1 L2 T1
 .
 
 interpretation
@@ -36,5 +38,5 @@ lemma fpb_refl: ∀h,g. tri_reflexive … (fpb h g).
 lemma cpr_fpb: ∀h,g,G,L,T1,T2. ⦃G, L⦄ ⊢ T1 ➡ T2 → ⦃G, L, T1⦄ ≽[h, g] ⦃G, L, T2⦄. 
 /3 width=1 by fpb_cpx, cpr_cpx/ qed.
 
-lemma llpr_fpb: ∀h,g,G,L1,L2,T. ⦃G, L1⦄ ⊢ ➡[T, 0] L2 → ⦃G, L1, T⦄ ≽[h, g] ⦃G, L2, T⦄.
-/3 width=1 by fpb_llpx, llpr_llpx/ qed.
+lemma lpr_fpb: ∀h,g,G,L1,L2,T. ⦃G, L1⦄ ⊢ ➡ L2 → ⦃G, L1, T⦄ ≽[h, g] ⦃G, L2, T⦄.
+/3 width=1 by fpb_lpx, lpr_lpx/ qed.