1.3.1.2 Set Builder Form

In set builder form, the elements of the set are described by a statement or expression. In this method, we do not list the elements; instead, we will write the representative element using a variable (generally written as ) followed by a vertical line ( | ) or colon ( : ) and write the general property of the same representative element. For instance, the same set above (that denotes the set of letters in the word, "probability") can be written as:

Or

This can be read as “ is the set of all , such that  is a letter of the…