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Operations on Sets
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Union
A
∪
B
=
{
x
|
x
∈
A
∨
x
∈
B
}
Intersection
A
∩
B
=
{
x
|
x
∈
A
∧
x
∈
B
}
Difference
A
∖
B
=
{
x
|
x
∈
A
∧
x
∉
B
}
Symmetric Difference
A
Δ
B
=
{
A
∖
B
}
∪
{
B
∖
A
}
Subsets
A
⊆
B
Complements
A
¯
=
{
x
|
x
∈
B
∧
x
∉
A
}
Keywords: sets, union, intersection, difference, symmetric difference, subsets, complements
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