fact: Variables (Σ : fo_signature) (ls : list (syms Σ)) (lr : list (rels Σ)) (X : Type) (M : fo_model Σ X) (Y : Type) (N : fo_model Σ Y).
imports: List Arith Lia 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) Undecidability.Shared.ListAutomation