proposition: Lemma rcop2_trans_sigma_ctrl : s0 <> owner -> sigma_ctrl s0 (bm (rec_copy2_trans c0 s2)) = sigma_ctrl s0 (bm c0).
proof: Proof. intros; unfold sigma_ctrl in |- *. rewrite rcop2_trans_sigma_copy. rewrite rcop2_trans_sigma_dec. rewrite rcop2_trans_sigma_inc. trivial. trivial. Qed.
imports: init table_act mess_act