Introduction To Sets

Question 1

3 POINTER: Identify WHAT, WHO, and WHEN it is

a collection of well-defined objects or things that can be written either in a _____-roster or _____-builder notation

Answer 1

SETS introduced in 1879 by Georg Cantor

Question 2

2 POINTER:

The individual objects in a set are called ______ and is denoted by ____

Answer 2

Members or Elements denoted by €

Question 3

the set of integers is denoted by letter ____

Answer 3

Z

Question 4

What are the two ways of describing a set?

Answer 4

● Tabular or Roster Method

● Rule Method

Question 5

enumerate or lists the distinct elements of a set

Answer 5

Tabular or Roster Method

Question 6

How write these using Tabular/Roster Method?

Set =
Elements =
Groups elements =
Separate each element =
Infinite elements=

Answer 6

Set = Capital Letters

Elements = small letters

Groups elements = { }

Separate each element = , “comma”

Infinite elements= … “ellipsis”

Question 7

makes use of description by giving the common characteristics of the elements

Answer 7

Rule Method

Question 8

2 POINTER:

What is the Rule Method denoted by? What does the vertical bat mean?

Answer 8

Denoted by {x|condition / Characteristics of the elements}

= “such that”