fact: Definition _monotone9 (gf: rel9 T0 T1 T2 T3 T4 T5 T6 T7 T8 -> rel9 T0 T1 T2 T3 T4 T5 T6 T7 T8) := forall r r'(LE: r <9= r'), gf r <9== gf r'.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)