diff -r 997aa3a3e4bb -r 8f9a66fc9f80 src/HOL/Nitpick.thy
--- a/src/HOL/Nitpick.thy	Tue Feb 23 10:02:14 2010 +0100
+++ b/src/HOL/Nitpick.thy	Tue Feb 23 11:05:32 2010 +0100
@@ -36,7 +36,6 @@
            and bisim :: "bisim_iterator \<Rightarrow> 'a \<Rightarrow> 'a \<Rightarrow> bool"
            and bisim_iterator_max :: bisim_iterator
            and Quot :: "'a \<Rightarrow> 'b"
-           and quot_normal :: "'a \<Rightarrow> 'a"
            and Tha :: "('a \<Rightarrow> bool) \<Rightarrow> 'a"
 
 datatype ('a, 'b) pair_box = PairBox 'a 'b
@@ -237,11 +236,10 @@
 setup {* Nitpick_Isar.setup *}
 
 hide (open) const unknown is_unknown undefined_fast_The undefined_fast_Eps bisim 
-    bisim_iterator_max Quot quot_normal Tha PairBox FunBox Word refl' wf'
-    wf_wfrec wf_wfrec' wfrec' card' setsum' fold_graph' nat_gcd nat_lcm int_gcd
-    int_lcm Frac Abs_Frac Rep_Frac zero_frac one_frac num denom norm_frac frac
-    plus_frac times_frac uminus_frac number_of_frac inverse_frac less_eq_frac
-    of_frac
+    bisim_iterator_max Quot Tha PairBox FunBox Word refl' wf' wf_wfrec wf_wfrec'
+    wfrec' card' setsum' fold_graph' nat_gcd nat_lcm int_gcd int_lcm Frac
+    Abs_Frac Rep_Frac zero_frac one_frac num denom norm_frac frac plus_frac
+    times_frac uminus_frac number_of_frac inverse_frac less_eq_frac of_frac
 hide (open) type bisim_iterator pair_box fun_box unsigned_bit signed_bit word
 hide (open) fact If_def Ex1_def rtrancl_def rtranclp_def tranclp_def refl'_def
     wf'_def wf_wfrec'_def wfrec'_def card'_def setsum'_def fold_graph'_def