# HG changeset patch
# User blanchet
# Date 1346852428 -7200
# Node ID 056d6010b6d2caf70f7a2645b6cf727192ed60a3
# Parent  7af3f9f4178337497d7616a02469e63c6900b6e9
fixed "mk_exhaust_tac" for the nth time

diff -r 7af3f9f41783 -r 056d6010b6d2 src/HOL/Codatatype/Tools/bnf_fp_sugar_tactics.ML
--- a/src/HOL/Codatatype/Tools/bnf_fp_sugar_tactics.ML	Wed Sep 05 15:40:26 2012 +0200
+++ b/src/HOL/Codatatype/Tools/bnf_fp_sugar_tactics.ML	Wed Sep 05 15:40:28 2012 +0200
@@ -31,8 +31,8 @@
   Local_Defs.unfold_tac ctxt (fld_iff_unf :: ctr_defs) THEN rtac sumEN' 1 THEN
   Local_Defs.unfold_tac ctxt @{thms all_prod_eq} THEN
   EVERY' (map2 (fn k => fn m =>
-    select_prem_tac k (REPEAT_DETERM_N m o dtac @{thm meta_spec} THEN' rotate_tac ~1 THEN'
-      etac @{thm meta_mp}) k THEN' atac) (1 upto n) ms) 1;
+    select_prem_tac n (rotate_tac 1) k THEN' REPEAT_DETERM_N m o dtac @{thm meta_spec} THEN'
+    etac @{thm meta_mp} THEN' atac) (1 upto n) ms) 1;
 
 fun mk_fld_iff_unf_tac ctxt cTs cfld cunf fld_unf unf_fld =
   (rtac iffI THEN'