fact: Definition DoActions_T : tRel sigSim 1 := fun tin k => exists tps, (length tps =? n) = true /\ atStart tin[@Fin0] tps /\ DoActions_steps tps <= k.
imports: Undecidability.TM.Basic.Mono Undecidability.TM.Combinators.Combinators Undecidability.TM.Code.Code Undecidability.TM.Single.EncodeTapes Undecidability.TM.Compound(TMTac MoveToSymbol Multi Shift)