proposition: Fact fol_sem_bin_fix φ b A B : fol_sem φ (fol_bin b A B) = fol_bin_sem b (⟪A⟫ φ) (⟪B⟫ φ).
proof: Proof. reflexivity. Qed.
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