X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcsx_gcr.ma;h=c75fddb61fa16ec7802ea6259bd69018d0e5ad76;hb=3c7b4071a9ac096b02334c1d47468776b948e2de;hp=b95725eeccb31d720c48df88883a478e29d66b7d;hpb=4173283e148199871d787c53c0301891deb90713;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_gcr.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_gcr.ma
index b95725eec..c75fddb61 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_gcr.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_gcr.ma
@@ -16,17 +16,19 @@ include "static_2/static/gcp_cr.ma".
 include "basic_2/rt_computation/csx_cnx_vector.ma".
 include "basic_2/rt_computation/csx_csx_vector.ma".
 
-(* STRONGLY NORMALIZING TERMS FOR UNBOUND PARALLEL RT-TRANSITION ************)
+(* STRONGLY NORMALIZING TERMS FOR EXTENDED PARALLEL RT-TRANSITION ***********)
 
 (* Main properties with generic candidates of reducibility ******************)
 
-theorem csx_gcr: ∀h. gcr (cpx h) tdeq (csx h) (csx h).
-#h @mk_gcr //
-[ /3 width=1 by csx_applv_cnx/
-|2,3,6: /2 width=1 by csx_applv_beta, csx_applv_sort, csx_applv_cast/
-| /2 width=7 by csx_applv_delta/
-| #G #L #V1b #V2b #HV12b #a #V #T #H #HV
-  @(csx_applv_theta … HV12b) -HV12b
-  @csx_abbr //
+theorem csx_gcr:
+        gcr cpx teqx csx csx.
+@mk_gcr
+[ //
+| #G #L #Vs #Hvs #T #HT #H
+  @(csx_applv_cnx … H) -H // (**) (* auto fails *)
+| /2 width=1 by csx_applv_beta/
+| /2 width=7 by csx_applv_delta_drops/
+| /3 width=3 by csx_applv_theta, csx_abbr/
+| /2 width=1 by csx_applv_cast/
 ]
 qed.