author | haftmann |
Wed, 21 Sep 2005 17:25:32 +0200 | |
changeset 17565 | 7322f37d3344 |
parent 17564 | 0350ac95c4b6 |
child 17566 | 484ff733f29c |
--- a/src/HOL/Tools/recdef_package.ML Wed Sep 21 17:21:35 2005 +0200 +++ b/src/HOL/Tools/recdef_package.ML Wed Sep 21 17:25:32 2005 +0200 @@ -82,7 +82,7 @@ fun add_cong raw_thm congs = let val (c, thm) = prep_cong raw_thm - in overwrite_warn (congs, (c, thm)) ("Overwriting recdef congruence rule for " ^ quote c) end; + in update_warn (op =) ("Overwriting recdef congruence rule for " ^ quote c) (c, thm) congs end; fun del_cong raw_thm congs = let