This notation can also be used to express sets with an interval or an equation. X x N x 1 0. Unit 1 Section 4.
To indicate that b is an element of the set B we adopt the notation b B which means b belongs to B or b is an element of B Consequently saying x R is another way of saying x is a real number.
We can use SET BUILDER notation to describe a set in terms of its properties. Set-Builder Notation and Interval Notation Set-builder notation is a method of specifying a set of elements that satisfy a certain condition. If the given set is. A set is given a name usually an uppercase letter.