(* Main properties with generic computation properties **********************)
-theorem csx_gcp: ∀h. gcp (cpx h) tdeq (csx h).
+theorem csx_gcp (h):
+ gcp (cpx h) teqx (csx h).
#h @mk_gcp
[ normalize /3 width=13 by cnx_lifts/
| /2 width=4 by cnx_sort/