define Data.Set.Base.singleton x      = (Set_sng x)
define Data.Set.Base.union x y        = (Set_cup x y)
define Data.Set.Base.intersection x y = (Set_cap x y)
define Data.Set.Base.difference x y   = (Set_dif x y)
define Data.Set.Base.empty            = (Set_empty 0)
define Data.Set.Base.null x           = (Set_emp x)
define Data.Set.Base.member x xs      = (Set_mem x xs)
define Data.Set.Base.isSubsetOf x y   = (Set_sub x y)
define Data.Set.Base.elems xs         = (listElts xs)

define GHC.Types.True                 = (true) 

define Data.Map.Base.insert k v m     = (Map_store m k v)
define Data.Map.Base.select k v       = (Map_select m k)