fact: Variable (Σ : fo_signature) (H1 : discrete (syms Σ)) (H2 : discrete (rels Σ)) (H3 : type_enum_t (syms Σ)) (H4 : type_enum_t (rels Σ)).
imports: List Arith Lia Max Undecidability.Shared.Libs.DLW.Utils(utils_tac utils_list utils_nat) Undecidability.Shared.Libs.DLW.Vec(pos vec) Undecidability.FOL.TRAKHTENBROT(notations utils decidable enumerable fol_ops fo_sig fo_terms fo_logic)