M1 Topic 2: Introduction to Sets

Question 1

A collection of well-defined objects

Answer 1

set

Question 2

The members of a set

Answer 2

elements

Question 3

Ways of describing a set:

Answer 3

1. Roster or Listing Method
2. Set-Builder Notation

Question 4

Lists all the members of a set, when this is possible, between braces

Answer 4

Roster or Listing Method

Question 5

We characterize the elements in the set by stating the properties they must have to be members

Answer 5

Set-Builder Notation

Question 6

Refers to the number of elements in a set

Answer 6

Cardinality

Question 7

|A| or n(A) represents the cardinality of set A.

Answer 7

Notation

Question 8

“x | x is…” in grammatical terms is:

Answer 8

x such that x is…

Question 9

Sets which has no elements or all elements are countable

Answer 9

Finite Sets

Question 10

Sets whose elements cannot be listed dwon (unlimited)

Answer 10

Infinite Sets

Question 11

The ______ set contains all of the elements relevant to a given discussion

Answer 11

universal

Question 12

If every element in Set A is in Set B, then Set A is a subset of Set B. In symbol, it is

Answer 12

A ⊆ B

Question 13

A set with no elements

Answer 13

Null Set