1. Listing Method
Write all elements inside curly brackets separated by commas.
To write a set using the listing method, you simply list all the elements inside {}.
2. Describing Method
Describe the set using a sentence about its properties.
To write a set using describing method, describe what common property the elements share.
3. Set Builder Method
Use a variable and condition to define the set.
To write using set builder method, define a variable and rule it follows.