fact: Definition upaco9(gf : rel9 T0 T1 T2 T3 T4 T5 T6 T7 T8 -> rel9 T0 T1 T2 T3 T4 T5 T6 T7 T8)(r: rel9 T0 T1 T2 T3 T4 T5 T6 T7 T8) := paco9 gf r \9/ r.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)