───✱*.。:。✱*.:。✧*.。✰*.:。✧*.。:。*.。✱ ───
Union (or)
- Denoted with
Intersection (and)
- Denoted with
- If the intersections are empty, then and are disjoint
Difference
- Denoted with
- Every element of that is not also an element in
Complement
- Denoted with
- All elements in universal set that are not in
Symmetric Difference
- Denoted with
- The elements that are in either or but not in both (exclusive or)
Order of Operations
- Parenthesis
- Complements
- Intersections, unions, differences ()
Example
───✱*.。:。✱*.:。✧*.。✰*.:。✧*.。:。*.。✱ ───