proposition: Lemma gpaco6_gen_rclo clo r rg: gpaco6 (rclo6 clo) r rg <6= gpaco6 clo r rg.
proof: Proof. intros. destruct PR. econstructor. apply rclo6_compose. eapply rclo6_mon. apply IN. intros. destruct PR; [|right; apply H]. left. eapply paco6_mon_gen; intros; [apply H| |apply PR]. eapply gf_mon, rclo6_compose. apply PR. Qed.
imports: Program.Basics Paco(paco6 pacotac)