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Mathematics
Mathematics
Problem
For any sets A and B, prove that
P
(
A
)
∪
P
(
B
)
⊆
P
(
A
∪
B
)
P(A) \cup P(B) \subseteq P(A \cup B)
P
(
A
)
∪
P
(
B
)
⊆
P
(
A
∪
B
)
.
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