Quiz 1.11 - Set Theory Symbols

What does this symbol (  $\cup$   ) represent in set theory?

• Union

• Intersection

• Disjointed

• Subset

What does this symbol (  $\cap$  ) represent in set theory?

• Union

• Intersection

• Disjointed

• Subset

What does this symbol ( ∅ ) represent in set theory?

• Universal Set

• Empty (or Null) Set

• Disjointed Set

• Complement of a Set

What does this symbol ( $\subseteq$  ) represent in set theory?

• Union

• Intersection

• Disjointed

• Subset

What does this symbol (  $\in$   ) represent in set theory?

• Subset

• Empty Set

• Every set

• Element of

What does this symbol (  $\notin$   ) represent in set theory?

• Element of

• Empty Set

• Not an element of

• Not a subset of

What does this symbol (  $n\left(A\right)$   ) represent in set theory?

• n of A

• number of elements in set A

• elements not in A

• Complement of A

What does this symbol (  $\not\subset$   ) represent in set theory?

• Subset of

• Empty Set

• Not an element of

• Not a subset of

What does this symbol ( U  ) represent in set theory?

• Subset of

• Empty Set

• Elements of

• Universal Set

What does this symbol (  $A'$   ) represent in set theory?

• n of A

• number of elements in set A

• element of A

• Complement of A