To create an intersection
- Create or select at least three classes in your project. Name at least two of the classes, as shown below.
![Concept Modeler Plugin 2024x > Working with intersection > naming two classes.PNG](/download/attachments/136718061/naming%20two%20classes.PNG?version=1&modificationDate=1695272150424&api=v2) - Draw two subclass from the anonymous class to the two named classes.
![Concept Modeler Plugin 2024x > Working with intersection > ns1.PNG](/download/attachments/136718061/ns1.PNG?version=1&modificationDate=1695272150400&api=v2) - Right-click on each subclass arrows and in the menu shown, select Concept Modeling > Add superclass to the conditions sufficient to classify an instance.
![Concept Modeler Plugin 2024x > Working with intersection > ns2.png](/download/attachments/136718061/ns2.png?version=1&modificationDate=1695272150377&api=v2) - Two Necessary & Sufficient stereotypes appear.
- Hover over the unnamed class and it will describe the intersection.
![Concept Modeler Plugin 2024x > Working with intersection > ns3.png](/download/attachments/136718061/ns3.png?version=1&modificationDate=1695272150353&api=v2) - You can stop here OR you can go further and create a Superclass Intersection.
- Right click on the unnamed or named class and select Concept Modeling > Convert to Superclass Intersection notation.
![Concept Modeler Plugin 2024x > Working with intersection > ns4.png](/download/attachments/136718061/ns4.png?version=1&modificationDate=1695272150447&api=v2) - The end result should look like the following figure.
![Concept Modeler Plugin 2024x > Working with intersection > ns5.PNG](/download/attachments/136718061/ns5.PNG?version=1&modificationDate=1695272150471&api=v2)
You can also create an intersections as shown below, simply by naming all the classes created. Example of Intersection using «Necessary & Sufficient»
Example of Intersection Using «Superclass Intersection»
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