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Mathematics
Real Analysis
Which condition must satisfy by topological space?
Question
Which condition must satisfy by topological space?
A.
Union of open sets belong to topological space.
B.
Arbitrary union of closed sets belongs to topological space.
C.
Arbitrary union of open sets belong to topological space.
D.
Arbitrary intersection of open sets belong to topological space.
Solution
Correct option is C
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