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10 questions
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
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