Section REC_COP2_EFFECT.
(* invariants *)
Variable c0 : Config.
Variable s2 : Site.
Hypothesis rt_true : rt c0 s2 = false.

Lemma rcop2_trans_st_rt :
forall s0 : Site,
((st c0 s0 > 0)%Z -> rt c0 s0 = true) ->
(st (rec_copy2_trans c0 s2) s0 > 0)%Z ->
rt (rec_copy2_trans c0 s2) s0 = true.