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src/HOL/Data_Structures/Tree_Map.thy
changeset 67965 aaa31cd0caef
parent 63411 e051eea34990
child 68020 6aade817bee5 
--- a/src/HOL/Data_Structures/Tree_Map.thy	Sun Apr 08 09:46:33 2018 +0200
+++ b/src/HOL/Data_Structures/Tree_Map.thy	Sun Apr 08 11:05:52 2018 +0200
@@ -5,7 +5,7 @@
 theory Tree_Map
 imports
   Tree_Set
-  Map_by_Ordered
+  Map_Specs
 begin
 
 fun lookup :: "('a::linorder*'b) tree \<Rightarrow> 'a \<Rightarrow> 'b option" where
isabelle