📘 Theory: Representation and Classification of Sets
Set:
A well-defined collection of distinct objects.
Represented in:
Roster Form: {1, 2, 3}
Set-builder Form: {x | x < 5}
Types of Sets:
Empty Set ∅
Singleton
Finite / Infinite
Equal / Subsets
Set A:
Set B:
Union (A ∪ B)
Intersection (A ∩ B)
Difference (A - B)