1.1 --- a/src/HOL/Codatatype/Tools/bnf_fp_sugar_tactics.ML	Fri Sep 14 22:23:11 2012 +0200
     1.2 +++ b/src/HOL/Codatatype/Tools/bnf_fp_sugar_tactics.ML	Fri Sep 14 22:23:11 2012 +0200
     1.3 @@ -113,22 +113,23 @@
     1.4  val induct_prem_prem_thms_delayed =
     1.5    @{thms fsts_def[abs_def] snds_def[abs_def] sum_setl_def[abs_def] sum_setr_def[abs_def]};
     1.6  
     1.7 +(* TODO: Get rid of the "auto_tac" (or at least use a naked context) *)
     1.8  fun mk_induct_prem_prem_endgame_tac _ 0 = atac ORELSE' rtac @{thm singletonI}
     1.9    | mk_induct_prem_prem_endgame_tac ctxt qq =
    1.10      REPEAT_DETERM_N qq o
    1.11        (SELECT_GOAL (Local_Defs.unfold_tac ctxt @{thms Union_iff bex_simps(6)}) THEN'
    1.12         etac @{thm induct_set_step}) THEN'
    1.13 -    atac;
    1.14 +    atac ORELSE' SELECT_GOAL (auto_tac ctxt);
    1.15  
    1.16 -(* TODO: Get rid of the "blast_tac" (or at least use a naked context) *)
    1.17  fun mk_induct_discharge_prem_prems_tac ctxt nn ixs set_natural's pre_set_defs =
    1.18    EVERY' (maps (fn ((pp, jj), (qq, kk)) =>
    1.19 -      [rotate_tac (~ nn), select_prem_tac nn (dtac meta_spec) kk, rotate_tac ~1,(*###*) etac meta_mp,
    1.20 -       SELECT_GOAL (Local_Defs.unfold_tac ctxt pre_set_defs), (* ### why on a line of its own? *)
    1.21 +      [select_prem_tac nn (dtac meta_spec) kk, rotate_tac ~1 (*FIXME: needed?*), etac meta_mp,
    1.22 +       SELECT_GOAL (Local_Defs.unfold_tac ctxt pre_set_defs), (* FIXME: ### why on a line of its own? *)
    1.23         SELECT_GOAL (Local_Defs.unfold_tac ctxt (set_natural's @ induct_prem_prem_thms)),
    1.24         SELECT_GOAL (Local_Defs.unfold_tac ctxt
    1.25           (induct_prem_prem_thms_delayed @ induct_prem_prem_thms)),
    1.26 -       rtac (mk_UnIN pp jj) THEN' mk_induct_prem_prem_endgame_tac ctxt qq ORELSE' blast_tac ctxt])
    1.27 +       rtac (mk_UnIN pp jj) THEN' mk_induct_prem_prem_endgame_tac ctxt qq ORELSE'
    1.28 +         SELECT_GOAL (auto_tac ctxt)])
    1.29      (rev ixs)) 1;
    1.30  
    1.31  fun mk_induct_discharge_prem_tac ctxt nn n set_natural's pre_set_defs m k ixs =