src/HOL/Data_Structures/AVL_Set.thy
changeset 67967 5a4280946a25
parent 67964 08cc5ab18c84
child 68023 75130777ece4
     1.1 --- a/src/HOL/Data_Structures/AVL_Set.thy	Sun Apr 08 12:14:00 2018 +0200
     1.2 +++ b/src/HOL/Data_Structures/AVL_Set.thy	Sun Apr 08 12:31:08 2018 +0200
     1.3 @@ -129,7 +129,7 @@
     1.4  proof (standard, goal_cases)
     1.5    case 1 show ?case by simp
     1.6  next
     1.7 -  case 2 thus ?case by(simp add: isin_set)
     1.8 +  case 2 thus ?case by(simp add: isin_set_inorder)
     1.9  next
    1.10    case 3 thus ?case by(simp add: inorder_insert)
    1.11  next