fact: Variable (X : Type) (M : fo_model ΣP1 X) (HX : finite_t X) (Mdec : fo_model_dec M).
imports: List Arith Bool Lia Eqdep_dec Undecidability.Shared.Libs.DLW.Utils(utils_tac utils_list utils_nat finite) Undecidability.Shared.Libs.DLW.Vec(pos vec) Undecidability.FOL.TRAKHTENBROT(notations utils fol_ops fo_sig fo_terms fo_logic fo_sat decidable fo_sat_dec)