proposition: Lemma monotone9_eq (gf: rel9 T0 T1 T2 T3 T4 T5 T6 T7 T8 -> rel9 T0 T1 T2 T3 T4 T5 T6 T7 T8) : monotone9 gf <-> _monotone9 gf.
proof: Proof. unfold monotone9, _monotone9, le9. split; intros; eapply H; eassumption. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)