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Mathematics
Problem
Write down all the subsets of the following sets: -
{
a
}
\{a\}
{
a
}
-
{
a
,
b
}
\{a, b\}
{
a
,
b
}
-
{
1
,
2
,
3
}
\{1, 2, 3\}
{
1
,
2
,
3
}
-
ϕ
\phi
ϕ
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