fact: Definition L_recognisable' {X} `{encodable X} (p : X -> Prop) := exists s : term, forall x, p x <-> converges (L.app s (enc x)).
imports: Undecidability.L(Computability.MuRec) Undecidability.L.Datatypes(LNat LOptions LProd) Undecidability.Synthetic(DecidabilityFacts EnumerabilityFacts ListEnumerabilityFacts ReducibilityFacts) Undecidability.L.Datatypes.List(List_basics List_nat) Datatypes