proposition: Lemma _paco1_mon_gen (gf gf': rel1 T0 -> rel1 T0) r r' (LEgf: gf <2= gf') (LEr: r <1= r'): paco1 gf r <1== paco1 gf' r'.
proof: Proof. apply curry_map1. 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)