proposition: Lemma _paco3_mon_gen (gf gf': rel3 T0 T1 T2 -> rel3 T0 T1 T2) r r' (LEgf: gf <4= gf') (LEr: r <3= r'): paco3 gf r <3== paco3 gf' r'.
proof: Proof. apply curry_map3. red; intros. eapply paco_mon_gen. apply PR. - intros. apply LEgf, PR0. - intros. apply LEr, PR0. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)