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src/HOL/Archimedean_Field.thy
changeset 43733 a6ca7b83612f
parent 43732 6b2bdc57155b
child 47108 2a1953f0d20d 
--- a/src/HOL/Archimedean_Field.thy	Sat Jul 09 13:41:58 2011 +0200
+++ b/src/HOL/Archimedean_Field.thy	Sat Jul 09 19:28:33 2011 +0200
@@ -271,7 +271,7 @@
 
 definition
   ceiling :: "'a::floor_ceiling \<Rightarrow> int" where
-  [code del]: "ceiling x = - floor (- x)"
+  "ceiling x = - floor (- x)"
 
 notation (xsymbols)
   ceiling  ("\<lceil>_\<rceil>")
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