--- a/src/HOL/Codatatype/Tools/bnf_fp_sugar_tactics.ML Fri Sep 14 21:26:01 2012 +0200
+++ b/src/HOL/Codatatype/Tools/bnf_fp_sugar_tactics.ML Fri Sep 14 22:23:10 2012 +0200
@@ -13,8 +13,8 @@
val mk_fld_iff_unf_tac: Proof.context -> ctyp option list -> cterm -> cterm -> thm -> thm ->
tactic
val mk_half_distinct_tac: Proof.context -> thm -> thm list -> tactic
- val mk_induct_tac: Proof.context -> int list -> int list list -> int list list -> thm list ->
- thm -> thm list list -> thm list -> tactic
+ val mk_induct_tac: Proof.context -> int list -> int list list -> (int * int) list list list ->
+ thm list -> thm -> thm list -> thm list list -> tactic
val mk_inject_tac: Proof.context -> thm -> thm -> tactic
val mk_iter_like_tac: thm list -> thm list -> thm list -> thm -> thm -> Proof.context -> tactic
end;
@@ -112,32 +112,30 @@
@{thms fsts_def[abs_def] snds_def[abs_def] sum_setl_def[abs_def] sum_setr_def[abs_def]};
(* TODO: Get rid of the "blast_tac" *)
-fun mk_induct_discharge_prem_prems_tac ctxt r pre_set_defs set_natural's =
- EVERY' (maps (fn i =>
- [dtac meta_spec, rotate_tac ~1, etac meta_mp,
- SELECT_GOAL (Local_Defs.unfold_tac ctxt pre_set_defs),
+fun mk_induct_discharge_prem_prems_tac ctxt ppis set_natural's pre_set_defs =
+ EVERY' (maps (fn (pp, i) =>
+ [(* ### select_prem_tac pp (dtac meta_spec) i, *) dtac meta_spec, rotate_tac ~1, etac meta_mp,
+ SELECT_GOAL (Local_Defs.unfold_tac ctxt pre_set_defs), (* ### why on a line of its own? *)
SELECT_GOAL (Local_Defs.unfold_tac ctxt (set_natural's @ induct_prem_prem_thms)),
SELECT_GOAL (Local_Defs.unfold_tac ctxt
(induct_prem_prem_thms_delayed @ induct_prem_prem_thms)),
- TRY o rtac (mk_UnIN r i), (* FIXME: crude hack, doesn't work in the general case *)
+ TRY o rtac (mk_UnIN pp i), (*#####*)
atac ORELSE'
rtac @{thm singletonI} ORELSE'
(REPEAT_DETERM o (SELECT_GOAL (Local_Defs.unfold_tac ctxt @{thms Union_iff bex_simps(6)}) THEN'
etac @{thm induct_set_step}) THEN'
- (atac ORELSE' blast_tac ctxt))]) (r downto 1)) 1;
+ (atac ORELSE' blast_tac ctxt))]) (rev ppis)) 1;
-fun mk_induct_discharge_prem_tac ctxt n m k r pre_set_defs set_natural's =
+fun mk_induct_discharge_prem_tac ctxt n set_natural's pre_set_defs m k ppis =
EVERY [mk_induct_prepare_prem_tac n m k,
- mk_induct_prepare_prem_prems_tac r, atac 1,
- mk_induct_discharge_prem_prems_tac ctxt r pre_set_defs set_natural's];
+ mk_induct_prepare_prem_prems_tac (length ppis), atac 1,
+ mk_induct_discharge_prem_prems_tac ctxt ppis set_natural's pre_set_defs];
-fun mk_induct_tac ctxt ns mss rss ctr_defs fld_induct' pre_set_defss set_natural's =
+fun mk_induct_tac ctxt ns mss ppisss ctr_defs fld_induct' set_natural's pre_set_defss =
let val n = Integer.sum ns in
mk_induct_prelude_tac ctxt ctr_defs fld_induct' THEN
- EVERY (map4 (fn pre_set_defs =>
- EVERY ooo map3 (fn m => fn k => fn r =>
- mk_induct_discharge_prem_tac ctxt n m k r pre_set_defs set_natural's))
- pre_set_defss mss (unflat mss (1 upto n)) rss)
+ EVERY (map4 (EVERY oooo map3 o mk_induct_discharge_prem_tac ctxt n set_natural's)
+ pre_set_defss mss (unflat mss (1 upto n)) ppisss)
end;
end;