src/HOL/Data_Structures/Tree234_Map.thy
changeset 61686 e6784939d645
parent 61640 44c9198f210c
child 61790 0494964bb226
     1.1 --- a/src/HOL/Data_Structures/Tree234_Map.thy	Mon Nov 16 12:37:46 2015 +0100
     1.2 +++ b/src/HOL/Data_Structures/Tree234_Map.thy	Mon Nov 16 13:08:52 2015 +0100
     1.3 @@ -165,7 +165,7 @@
     1.4  
     1.5  interpretation T234_Map: Map_by_Ordered
     1.6  where empty = Leaf and lookup = lookup and update = update and delete = delete
     1.7 -and inorder = inorder and wf = bal
     1.8 +and inorder = inorder and inv = bal
     1.9  proof (standard, goal_cases)
    1.10    case 2 thus ?case by(simp add: lookup)
    1.11  next