proposition: Lemma gpaco7_gen_rclo clo r rg: gpaco7 (rclo7 clo) r rg <7= gpaco7 clo r rg.
proof: Proof. intros. destruct PR. econstructor. apply rclo7_compose. eapply rclo7_mon. apply IN. intros. destruct PR; [|right; apply H]. left. eapply paco7_mon_gen; intros; [apply H| |apply PR]. eapply gf_mon, rclo7_compose. apply PR. Qed.
imports: Program.Basics Paco(paco7 pacotac)