Sets

Example/s of a "well-defined set".

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It is a set containing all the elements and other sets including itself.

• Well-defined Set

• Finite Set

• Universal Set

• Null Set

Which of the following is an example of a finite set?

• A set of positive numbers

• A set of whole numbers

• A set of whole numbers less than 100

• A set of negative numbers less than 100

Which is an example of an infinite set?

• D = {a, b, c, d, ...}

• F = {x|x is a fraction from 1 to 5}

• Z is a set of integers

• M = {x|x is an integer, -12<x<12}

A is a set of letters in a word "MEAN".

B is a set of letters in a word "NAME".

A and B are ______sets.

• Equivalent

• Equal

M = {x|x is a letter in a word "FACE"}

N = {x|x is a letter in a word "SAFE"}

M and N are _____ sets.

• Equivalent

• Equal

G is a set of letters in a word "Freebie".

What is the cardinality of set G?

• 4

• 5

• 6

• 7

P = {x|x is a letter in a word "Challenging"}

• 5

• 6

• 7

• 8

H = {f, a, i, t, h}

Translate set H into a word description form.

S is a set of whole numbers less than 20.

Translate set S into a Rule form.