fact: Hypothesis (Mdec : fo_model_dec M) (phi : nat -> X) (A : fol_form Σ) (HA : fol_sem M phi A).
imports: List Arith Lia Max Undecidability.Shared.Libs.DLW.Utils(utils_tac utils_list utils_nat finite) Undecidability.Shared.Libs.DLW.Vec(pos vec) Undecidability.FOL.TRAKHTENBROT(notations utils decidable fol_ops fo_sig fo_terms fo_logic fo_sat)