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=a757a9374df0d3c9916129e1cb2aa80096d71439;hb=b4283c079ed7069016b8d924bbc7e08872440829;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..a757a9374 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
@@ -21,12 +21,13 @@ include "basic_2/rt_computation/csx_csx_vector.ma".
 (* 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/
+#h @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/
-| #G #L #V1b #V2b #HV12b #a #V #T #H #HV
-  @(csx_applv_theta … HV12b) -HV12b
-  @csx_abbr //
+| /3 width=3 by csx_applv_theta, csx_abbr/
+| /2 width=1 by csx_applv_cast/
 ]
 qed.