X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Frsx_fqup.ma;h=da358ed85ab68280759a2d72866817cc6ec09a56;hb=b118146b97959e6a6dde18fdd014b8e1e676a2d1;hp=b638da30e8ed1c9bddeae37a1442ac42a9fdf1e8;hpb=57ae1762497a5f3ea75740e2908e04adb8642cc2;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_fqup.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_fqup.ma
index b638da30e..da358ed85 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_fqup.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_fqup.ma
@@ -12,19 +12,19 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "static_2/static/reqx_fqup.ma".
+include "static_2/static/reqg_fqup.ma".
 include "basic_2/rt_computation/rsx.ma".
 
-(* STRONGLY NORMALIZING REFERRED LOCAL ENV.S FOR UNBOUND RT-TRANSITION ******)
+(* STRONGLY NORMALIZING REFERRED LOCAL ENVS FOR EXTENDED RT-TRANSITION ******)
 
 (* Advanced properties ******************************************************)
 
 (* Basic_2A1: uses: lsx_atom *)
-lemma lfsx_atom (h) (G) (T): G ⊢ ⬈*𝐒[h,T] ⋆.
-#h #G #T
+lemma lfsx_atom (G) (T): G ⊢ ⬈*𝐒[T] ⋆.
+#G #T
 @rsx_intro #Y #H #HnT
 lapply (lpx_inv_atom_sn … H) -H #H destruct
-elim HnT -HnT //
+elim HnT -HnT /2 width=1 by rex_refl/
 qed.
 
 (* Advanced forward lemmas **************************************************)
@@ -32,19 +32,19 @@ qed.
 (* Basic_2A1: uses: lsx_fwd_bind_dx *)
 (* Note: the exclusion binder (ⓧ) makes this more elegant and much simpler *)
 (* Note: the old proof without the exclusion binder requires lreq *)
-lemma rsx_fwd_bind_dx_void (h) (G):
-      ∀p,I,L,V,T. G ⊢ ⬈*𝐒[h,ⓑ[p,I]V.T] L → G ⊢ ⬈*𝐒[h,T] L.ⓧ.
-#h #G #p #I #L #V #T #H
+lemma rsx_fwd_bind_dx_void (G):
+      ∀p,I,L,V,T. G ⊢ ⬈*𝐒[ⓑ[p,I]V.T] L → G ⊢ ⬈*𝐒[T] L.ⓧ.
+#G #p #I #L #V #T #H
 @(rsx_ind … H) -L #L1 #_ #IH
 @rsx_intro #Y #H #HT
 elim (lpx_inv_unit_sn … H) -H #L2 #HL12 #H destruct
-/4 width=4 by reqx_fwd_bind_dx_void/
+/4 width=4 by reqg_fwd_bind_dx_void/
 qed-.
 
 (* Advanced inversion lemmas ************************************************)
 
 (* Basic_2A1: uses: lsx_inv_bind *)
-lemma rsx_inv_bind_void (h) (G):
-      ∀p,I,L,V,T. G ⊢ ⬈*𝐒[h,ⓑ[p,I]V.T] L →
-      ∧∧ G ⊢ ⬈*𝐒[h,V] L & G ⊢ ⬈*𝐒[h,T] L.ⓧ.
+lemma rsx_inv_bind_void (G):
+      ∀p,I,L,V,T. G ⊢ ⬈*𝐒[ⓑ[p,I]V.T] L →
+      ∧∧ G ⊢ ⬈*𝐒[V] L & G ⊢ ⬈*𝐒[T] L.ⓧ.
 /3 width=4 by rsx_fwd_pair_sn, rsx_fwd_bind_dx_void, conj/ qed-.