The help explains how to create generalization sets in class diagrams, by multi-selecting class entities and right-clicking to bring up the Generalization Set > option in the menu. However, that menu option doesn’t exist for me. How do I create these sets? Thanks!
You should multi-select the generalizations that you want to create the generalization set, and right-click on any one of them instead of the classes. Here is an article about creating generalization set:
Hope this helps,