Set
Edit this notationSymbol
{ }
Definition
A set is a collection of distinct objects, considered as an object in its own right.
Usage
Sets are used to group objects and are fundamental to many areas of mathematics.
Examples
-
Set of integers
\mathbb{Z} = {\ldots, -2, -1, 0, 1, 2, \ldots} -
Set-builder notation
A = \{x \in \mathbb{R} | x^2 < 4\}