(* Main properties with generic candidates of reducibility ******************)
-theorem csx_gcr: ∀h. gcr (cpx h) tdeq (csx h) (csx h).
+theorem csx_gcr (h): gcr (cpx h) tdeq (csx h) (csx h).
#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/
+| /2 width=7 by csx_applv_delta_drops/
| /3 width=3 by csx_applv_theta, csx_abbr/
| /2 width=1 by csx_applv_cast/
]