proposition: Lemma gpaco10_gen_rclo clo r rg: gpaco10 (rclo10 clo) r rg <10= gpaco10 clo r rg.
proof: Proof. intros. destruct PR. econstructor. apply rclo10_compose. eapply rclo10_mon. apply IN. intros. destruct PR; [|right; apply H]. left. eapply paco10_mon_gen; intros; [apply H| |apply PR]. eapply gf_mon, rclo10_compose. apply PR. Qed.
imports: Program.Basics Paco(paco10 pacotac)