Question 1

1 / 1 pts

A set can be heterogeneous (i.e., it can have different kinds of elements in it).

Correct!

True

False

Question 2

1 / 1 pts

If set A is a subset of set B, then every element of A is also a member of B.

Correct!

True

False

Question 3

1 / 1 pts

Correct!

True

False

Question 4

1 / 1 pts

Correct!

True

False

Question 5

1 / 1 pts

Ø&subseteq;X&subseteq;Ωfor any setX.

Correct!

True

False

Question 6

1 / 1 pts

True

Correct!

False

Question 7

1 / 1 pts

True

Correct!

False

Question 8

1 / 1 pts

True

Correct!

False

Question 9

1 / 1 pts

Correct!

True

False

Question 10

1 / 1 pts

True

Correct!

False

Question 11

1 / 1 pts

{(bill,ted),(ted,bill)}={(ted,bill),(bill,ted)}

Correct!

True

False

Question 12

1 / 1 pts

Which of the following are elements of  {Gold, Silver, Bronze}×{Phelps, Bolt}?

Gold

Bolt

{ Gold, Silver, Bronze }

( Gold, Silver, Bronze )

( Phelps, Bolt )

Correct!

( Gold, Bolt )

Correct!

( Silver, Phelps )

Question 13

1 / 1 pts

What’s  ?

{ (Tweedledee, Tweedledum), (Tweedledum, Tweedledee) }

, Tweedledee, Tweedledum }

Correct!

{ { Tweedledum, Tweedledee }, { Tweedledum }, , { Tweedledee } }

(Tweedledee, Tweedledum)

Question 14

1 / 1 pts

LetDbe the set \{ Pikachu, Charmander \}, andCbe the set \{ Pikachu, Piplup \}.

What’s  D∪C?

Correct!

{ Pikachu, Charmander, Piplup }

{ Pikachu }

( Pikachu, Piplup )

Question 15

1 / 1 pts

LetDbe the set \{ Pikachu, Charmander \}, andCbe the set \{ Pikachu, Piplup \}.

What’s  D∩C?

{ Pikachu, Piplup }

Pikachu

Correct!

{ Pikachu }

{ Pikachu, Charmander, Piplup }

Question 16

1 / 1 pts

LetDbe the set \{ Pikachu, Charmander \}, andCbe the set \{ Pikachu, Piplup \}.

What’s  D−C?

{ Pikachu, Piplup }

Correct!

{ Charmander }

Piplup

Pikachu

Question 17

1 / 1 pts

LetDbe the set \{ Pikachu, Charmander \}, andCbe the set \{ Pikachu, Piplup \}.

What’s  C−D?

Piplup

{ Piplup, Charmander }

( Piplup, Charmander )

Charmander

Correct!

{ Piplup }

Question 18

1 / 1 pts

Let  D be the set  {Grumpy, Happy, Sneezy, Sleepy, Dopey, Bashful, Doc}.

Is {{Bashful},Ø,{Dopey, Grumpy, Sneezy, Sleepy, Happy},{Doc}}a partition of  D?

Yes

No

Question 19

1 / 1 pts

Let  D be the set

Is {{Happy, Doc},{Grumpy, Sneezy, Happy},{Bashful},{Dopey, Sleepy}}a partition of  D?

Yes

!

No

Question 20

1 / 1 pts

Let  D be the set  {Grumpy, Happy, Sneezy, Sleepy, Dopey, Bashful, Doc}.

Is {{Dopey},{Sleepy},{Sneezy},{Doc},{Bashful},{Happy}} a partition of  D?

Yes

Correct!

No