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Set Theory
easy
0:00.0
If
A
A
A
and
B
B
B
are disjoint, what is
A
∩
B
A \cap B
A
∩
B
?
A
A
A
A
B
B
B
B
C
∅
\emptyset
∅
D
A
∪
B
A \cup B
A
∪
B
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