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src/HOL/Inductive.thy
changeset 51674 2b1498a2ce85
parent 51673 4dfa00e264d8
child 51678 1e33b81c328a 
--- a/src/HOL/Inductive.thy	Tue Jan 22 14:33:45 2013 +0100
+++ b/src/HOL/Inductive.thy	Fri Apr 05 22:08:42 2013 +0200
@@ -275,6 +275,7 @@
 ML_file "Tools/Datatype/datatype_data.ML" setup Datatype_Data.setup
 
 consts
+  case_guard :: "'a \<Rightarrow> 'a"
   case_nil :: "'a \<Rightarrow> 'b"
   case_cons :: "('a \<Rightarrow> 'b) \<Rightarrow> ('a \<Rightarrow> 'b) \<Rightarrow> 'a \<Rightarrow> 'b"
   case_elem :: "'a \<Rightarrow> 'b \<Rightarrow> 'a \<Rightarrow> 'b"
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