Explore Subset on MathWorld

A subset is a portion of a set. Subsets can also consist of the entire set or be empty.

Subset is a high school-level concept that would be first encountered in an algebra course.


Set: In mathematics, a set is a finite or infinite collection of objects in which order has no significance and multiplicity is generally also ignored.

Classroom Articles on Algebra (Up to High School Level)

  • Coefficient
  • Quadratic Formula
  • Geometric Mean
  • Root
  • Infinity
  • Union
  • Quadratic Equation