proposition: Lemma paco1_mon_bot (gf gf': rel1 T0 -> rel1 T0) r' x0 (REL: paco1 gf bot1 x0) (LEgf: gf <2= gf'): paco1 gf' r' x0.
proof: Proof. eapply paco1_mon_gen; [apply REL | apply LEgf | intros; contradiction PR]. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)