Using the following procedure, you can create a set within a set.

To create a nested set

1. Select Window > Relationship Editors > Sets to open the Relationship Editor.
2. To create a set, select Edit > Create Set.

   Repeat this procedure for the number of sets that you want to create.

   All sets that you have created are displayed in both the left hand Sets panel and the right hand Objects panel.

3. In the left hand Sets panel, select the set that you want to edit the membership of, for example, Set1.
4. In the right hand Objects panel, select the set that you want to be nested under Set1, for example, Set2.

   Set2 is now nested under Set1.