# Set notation help qn

**Question description**

Consider the following: The universal set U is the set of whole numbers from 0 to 20.

If set A = { positive whole numbers 1 - 20} and if set B = {negative whole numbers 1 - 20}

Are the following statements true or false, explain you answers.

a. B subset U

___________________________________________________________________________

1 mark

b. A subset U

___________________________________________________________________________

1 mark

c. A' = B

___________________________________________________________________________

1 mark

d. n( A) = n( B)

___________________________________________________________________________

1 mark

. How many elements are found in the emptyset ?

1 mark

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