CHAPTER 1
SETS
, What is a Set?
⚪ A set is a well-defined collection of
distinct objects.
⚪ The objects in a set are called the
elements or members of the set.
⚪ Capital letters A,B,C,… usually
denote sets.
⚪ Lowercase letters a,b,c,… denote
the elements of a set.
, Examples
⚪ The collection of the vowels in the word
“probability”.
⚪ The collection of real numbers that
satisfy the equation .
⚪ The collection of two-digit positive
integers divisible by 5.
⚪ The collection of great football players in
the National Football League.
⚪ The collection of intelligent members of
the United States Congress.
SETS
, What is a Set?
⚪ A set is a well-defined collection of
distinct objects.
⚪ The objects in a set are called the
elements or members of the set.
⚪ Capital letters A,B,C,… usually
denote sets.
⚪ Lowercase letters a,b,c,… denote
the elements of a set.
, Examples
⚪ The collection of the vowels in the word
“probability”.
⚪ The collection of real numbers that
satisfy the equation .
⚪ The collection of two-digit positive
integers divisible by 5.
⚪ The collection of great football players in
the National Football League.
⚪ The collection of intelligent members of
the United States Congress.
