Set Theory/Examples/Intersection with Union/3 Circles in Complex Plane

Example in Set Theory
Let $A$, $B$ and $C$ be sets defined by circles embedded in the complex plane as follows:

$C \cap \paren {A \cup B}$ can be illustrated graphically as:


 * Set-Intersection-with-Union-3-Circles-in-Complex-Plane.png

where the intersection with the union is depicted in yellow.