TFL/tfl.sml

 	              $ functional
      val (_, def_term, _) = 
 	 Sign.infer_types (sign_of thy) (K None) (K None) [] false
 	       ([Const("==",dummyT) $ Const(Name,Ty) $ wfrec_R_M], 
 		propT)
-  in  Theory.add_defs_i [(def_name, def_term)] thy  end
+  in  PureThy.add_store_defs_i [(def_name, def_term)] thy  end
 end;
 
 
 
 (*---------------------------------------------------------------------------

      val (extractants,TCl) = ListPair.unzip extracta
      val TCs = foldr (gen_union (op aconv)) (TCl, [])
      val full_rqt = WFR::TCs
      val R' = S.mk_select{Bvar=R1, Body=S.list_mk_conj full_rqt}
      val R'abs = S.rand R'
-     val theory = Theory.add_defs_i [(Name ^ "_def", subst_free[(R1,R')] proto_def)]
+     val theory = PureThy.add_store_defs_i [(Name ^ "_def", subst_free[(R1,R')] proto_def)]
 	                     thy
      val def = freezeT((get_axiom theory (Name ^ "_def")) RS meta_eq_to_obj_eq)
      val fconst = #lhs(S.dest_eq(concl def)) 
      val tych = Thry.typecheck theory
      val baz = R.DISCH (tych proto_def)