fact: Definition finTypeC_state' : finType := @finType_CS state' _ (CompoundFinTypes.finTypeC_Option _).
imports: Undecidability(TM.SBTM TM.Util.SBTM_facts) Undecidability.Shared.Libs.PSL.FiniteTypes.FinTypes PeanoNat Lia List ssreflect ssrbool ssrfun