en.wikipedia.org/wiki/Set-builder_notation

In set theory and its applications to logic, **mathematics**, and computer science, set
-builder notation is a **mathematical** notation for describing a set by enumerating
its elements or stating the properties that its members must satisfy. Defining sets
by properties is also known as set comprehension, set abstraction or as defining
a ...

www.yourdictionary.com/roster-method

An example of the seasons represented with the **Roster Method**. Licensed from
GettyImages. noun. The **roster method** is defined as a way to show the elements
of a set by listing the elements inside of brackets. An example of the **roster**
**method** is to write the set of numbers from 1 to 10 as {1,2,3,4,5,6,7,8,9 and 10}.

www.math-only-math.com/representation-of-a-set.html

In representation of a set the following three **methods** are commonly used: (i)
Statement form **method**. (ii) **Roster** or tabular form **method**. (iii) Rule or set builder
form **method**. 1. Statement form: In this, well-defined description of the elements
of the set is given and the same are enclosed in curly brackets. For example:.

www.math-for-all-grades.com/sets.html

Descriptive method. In this method, the set is described in complete words in a
sentence. Example 1: The set A = {1, 2, 3, 4, 5... 100} can be described as. “A is a
set of all the consecutive integers from 1 to 100”. Note: The three periods after 5
upto 100 stand for all the integers between the two numbers. **Roster method**.

www.purplemath.com/modules/setnotn.htm

Explains basic set notation, symbols, and concepts, including "roster" and "set-
builder" notation. ... If you're going to be technical, you can use full "set-builder
notation" to express the above **mathematical** set. ... Listing the elements explicitly
like this, instead of using a rule, is often called "using the **roster method**". Your
text ...

www.reference.com/math/roster-method-algebra-bcf6a506ae3a2303

The **roster method** is used to define sets in algebra. A set is any collection of
objects. According to Regents Exam Preparation Center at Oswego City School
District in New York, the items contained within a set are called elements, and the
elements in a set do not repeat. According to **Math**-for-all-grades, a **mathematics**
...

www.reference.com/math/roster-method-2edafb03a2f6ced6

In **mathematics**, a "set" is defined as a collection of items, known as "elements." It
is typically denoted by a capital letter. A set that belongs to another set is called a
"subset." In the **roster method**, all listed elements can be in any order but should
be distinct from one another. The "statement form" and "rule or set builder" are ...