proposition: Lemma list_numerals_length n : length (list_numerals n) = S n.
proof: Proof. induction n; cbn; trivial. rewrite <- IHn. reflexivity. Qed.
imports: Undecidability.FOL(Syntax.Facts Semantics.Tarski.FullFacts) Undecidability.FOL(Sets.ZF) Undecidability.FOL(ZF) Undecidability.FOL.TRAKHTENBROT(hfs) Undecidability.Shared.Libs.DLW.Utils(finite) Undecidability(Shared.ListAutomation) Lia