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