proposition: Lemma monotone6_eq (gf: rel6 T0 T1 T2 T3 T4 T5 -> rel6 T0 T1 T2 T3 T4 T5) : monotone6 gf <-> _monotone6 gf.
proof: Proof. unfold monotone6, _monotone6, le6. split; intros; eapply H; eassumption. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)