Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
Sets are collections of unique elements with no specific order. They do not allow duplicate values and provide operations like union, intersection, and difference.
Related terms
Lists: Ordered collections that allow duplicate elements.
Venn diagrams: Diagrams used to visualize relationships between sets and their intersections.
Cardinality: The size or number of elements in a set.