proposition: Lemma upaco3_mon_gen (gf gf': rel3 T0 T1 T2 -> rel3 T0 T1 T2) r r' x0 x1 x2 (REL: upaco3 gf r x0 x1 x2) (LEgf: gf <4= gf') (LEr: r <3= r'): upaco3 gf' r' x0 x1 x2.
proof: Proof. destruct REL. - left. eapply paco3_mon_gen; [apply H | apply LEgf | apply LEr]. - right. apply LEr, H. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)