9th - 12th grade. The green circle is A and the blue circle is B. Enter an expression like A Union B Intersect Complement C to describe a combination of two or three sets and get the notation and Venn diagram.
Dont confuse this symbol with the letter u This is a two-circle Venn diagram.
Use parentheses Union Intersection and Complement. The following examples should help you understand the notation terminology and concepts relating Venn diagrams and set notation. Figures a Venn Diagram of the set A B b B A. Feel free to click on the image to try this diagram as a template.