fact: Variable (Σ : fo_signature) (HΣ : syms Σ -> False) (a : nat) (Ha : forall r, ar_rels Σ r = a).
imports: List Arith Lia Undecidability.Shared.Libs.DLW.Utils(utils_tac) Undecidability.Shared.Libs.DLW.Vec(pos vec) Undecidability.FOL.TRAKHTENBROT(notations utils fol_ops fo_sig fo_terms fo_logic)