fact: Definition decode_space : Fin.t size -> space := fun x => ListFin.decode (sval listable_space) x.
imports: Undecidability(TM.SBTM TM.Util.SBTM_facts) Undecidability.Shared.Libs.PSL.FiniteTypes.FinTypes PeanoNat Lia List ssreflect ssrbool ssrfun