proposition: Lemma gpaco8_gen_rclo clo r rg: gpaco8 (rclo8 clo) r rg <8= gpaco8 clo r rg.
proof: Proof. intros. destruct PR. econstructor. apply rclo8_compose. eapply rclo8_mon. apply IN. intros. destruct PR; [|right; apply H]. left. eapply paco8_mon_gen; intros; [apply H| |apply PR]. eapply gf_mon, rclo8_compose. apply PR. Qed.
imports: Program.Basics Paco(paco8 pacotac)