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src/HOL/Word/Bit_Representation.thy
changeset 46598 fd0ac848140e
parent 46025 64a19ea435fc
child 46599 102a06189a6c 
--- a/src/HOL/Word/Bit_Representation.thy	Thu Feb 23 08:59:55 2012 +0100
+++ b/src/HOL/Word/Bit_Representation.thy	Thu Feb 23 11:20:42 2012 +0100
@@ -166,7 +166,7 @@
 lemma bin_abs_lem:
   "bin = (w BIT b) ==> ~ bin = Int.Min --> ~ bin = Int.Pls -->
     nat (abs w) < nat (abs bin)"
-  apply (clarsimp simp add: bin_rl_char)
+  apply clarsimp
   apply (unfold Pls_def Min_def Bit_def)
   apply (cases b)
    apply (clarsimp, arith)
isabelle