fact: Definition refinedUnderDelegatesStep (Sig : ADTSig) (spec adt' : ADT Sig) (dadt : DelegationADT Sig) (refine_spec : refineADT spec adt') (refine_adt' : refinedUnderDelegates adt' dadt) : refinedUnderDelegates spec dadt.
imports: Fiat.QueryStructure.Automation.MasterPlan Bedrock.Memory