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Set Theory
medium
0:00.0
If
A
=
{
∅
}
A = \{\emptyset\}
A
=
{
∅
}
, what is
n
(
P
(
A
)
)
n(P(A))
n
(
P
(
A
))
?
A
4
4
4
B
1
1
1
C
0
0
0
D
2
2
2
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