fact: Definition _monotone13 (gf: rel13 T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 -> rel13 T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12) := forall r r'(LE: r <13= r'), gf r <13== gf r'.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)