fact: Variable (Σ : fo_signature) (ls : list (syms Σ)) (A : fol_form Σ) (Hls : forall s, { In s ls } + { ~ In s ls }) (HAls : incl (fol_syms A) ls).
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 utils fo_terms fo_logic fo_sat) Undecidability.Shared.ListAutomation