![elementary set theory - What is the difference between disjoint union and union? - Mathematics Stack Exchange elementary set theory - What is the difference between disjoint union and union? - Mathematics Stack Exchange](https://i.stack.imgur.com/0yF74.png)
elementary set theory - What is the difference between disjoint union and union? - Mathematics Stack Exchange
![Set Operations | Union | Intersection | Complement | Difference | Mutually Exclusive | Partitions | De Morgan's Law | Distributive Law | Cartesian Product Set Operations | Union | Intersection | Complement | Difference | Mutually Exclusive | Partitions | De Morgan's Law | Distributive Law | Cartesian Product](https://www.probabilitycourse.com/images/chapter1/intersection3_b.png)
Set Operations | Union | Intersection | Complement | Difference | Mutually Exclusive | Partitions | De Morgan's Law | Distributive Law | Cartesian Product
![Set Operations | Union | Intersection | Complement | Difference | Mutually Exclusive | Partitions | De Morgan's Law | Distributive Law | Cartesian Product Set Operations | Union | Intersection | Complement | Difference | Mutually Exclusive | Partitions | De Morgan's Law | Distributive Law | Cartesian Product](https://www.probabilitycourse.com/images/chapter1/union_b.png)