X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fcomputation%2Ffpbg_lift.ma;h=a0f4edbb8a3ba1ce16d6a9f6c39dafe9adb8363f;hb=ad3ca38634cfae29e8c26d0ab23cb466407eca5e;hp=4dd9afb7384ba582fb2736688991378c67dc4512;hpb=f6a6221dcb90a12b04378ca2de86192e0e39f9ab;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/fpbg_lift.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/fpbg_lift.ma
index 4dd9afb73..a0f4edbb8 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/fpbg_lift.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/fpbg_lift.ma
@@ -12,17 +12,13 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "basic_2/computation/fpbu_lift.ma".
+include "basic_2/reduction/fpb_lift.ma".
 include "basic_2/computation/fpbg.ma".
 
-(* GENERAL "BIG TREE" PARALLEL COMPUTATION FOR CLOSURES *********************)
+(* "QRST" PARALLEL COMPUTATION FOR CLOSURES *********************************)
 
 (* Advanced properties ******************************************************)
 
-lemma lsstas_fpbg: ∀h,g,G,L,T1,T2,l2. ⦃G, L⦄ ⊢ T1 •*[h, g, l2] T2 → (T1 = T2 → ⊥) →
-                   ∀l1. l2 ≤ l1 → ⦃G, L⦄ ⊢ T1 ▪[h, g] l1 → ⦃G, L, T1⦄ >⋕[h, g] ⦃G, L, T2⦄.
-/5 width=5 by fpbc_fpbg, fpbu_fpbc, lsstas_fpbu/ qed.
-
-lemma ssta_fpbg: ∀h,g,G,L,T1,T2,l. ⦃G, L⦄ ⊢ T1 ▪[h, g] l+1 →
-                 ⦃G, L⦄ ⊢ T1 •[h, g] T2 → ⦃G, L, T1⦄ >⋕[h, g] ⦃G, L, T2⦄.
-/4 width=2 by fpbc_fpbg, fpbu_fpbc, ssta_fpbu/ qed.
+lemma sta_fpbg: ∀h,o,G,L,T1,T2,d. ⦃G, L⦄ ⊢ T1 ▪[h, o] d+1 →
+                ⦃G, L⦄ ⊢ T1 •*[h, 1] T2 → ⦃G, L, T1⦄ >≡[h, o] ⦃G, L, T2⦄.
+/4 width=2 by fpb_fpbg, sta_fpb/ qed.