proposition: Lemma enum_el X (p : X -> Prop) L x : list_enumerator L p -> p x -> exists m, x el L m.
proof: Proof. firstorder. Qed.
imports: Undecidability.Synthetic(Definitions DecidabilityFacts EnumerabilityFacts ListEnumerabilityFacts ReducibilityFacts) Undecidability.FOL(Syntax.Facts Syntax.Theories Syntax.Asimpl) Undecidability(Shared.ListAutomation) Lia EqdepFacts