fact: Variables (X : Type) (M2 : fo_model Σ2 X) (H1 : finite_t X) (H2 : fo_model_dec M2) (phi : nat -> X) (H3 : fol_sem M2 phi A).
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 fol_ops fo_sig fo_terms fo_logic fo_sat)