fact: Fixpoint mm2_linstr_enc i l := match l with | nil => nil | ρ::l => mm2_instr_enc i ρ ++ mm2_linstr_enc (1+i) l end.
imports: List Arith Lia Relations Undecidability.MinskyMachines(MM2 ndMM2) Undecidability.Shared.Libs.DLW(utils) Undecidability.Synthetic(Definitions ReducibilityFacts)