fact: Definition ndmm2_imsell_ctx Σ x y := ‼∞ (map (fun c => ⟬c⟭) Σ) ++ repeat α x ++ repeat β y.
imports: List Permutation Arith Lia Undecidability.MinskyMachines(ndMM2) Undecidability.ILL(IMSELL imsell) Undecidability.Shared.Libs.DLW(utils pos vec) Undecidability.Synthetic(Definitions ReducibilityFacts)