fact: Variable (Σ : fo_signature) (X : Type) (M M' : fo_model Σ X) (φ : nat -> X) (A : fol_form Σ) (HA : fol_syms A = nil) (H : forall r v, r ∊ fol_rels A -> fom_rels M r v <-> fom_rels M' r v).
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