proposition: Lemma upaco1_mon_gen (gf gf': rel1 T0 -> rel1 T0) r r' x0 (REL: upaco1 gf r x0) (LEgf: gf <2= gf') (LEr: r <1= r'): upaco1 gf' r' x0.
proof: Proof. destruct REL. - left. eapply paco1_mon_gen; [apply H | apply LEgf | apply LEr]. - right. apply LEr, H. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)