chichi

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visits member for 1 year, 1 month
seen Apr 25 '12 at 6:02
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Apr
17
 accepted Show that for a finite metric space A, every subset is open
Apr
17
 asked Closed subset of closed subspace is closed in a metric space (X,d)
Apr
17
 asked Show that for a finite metric space A, every subset is open
Apr
15
 awarded  Student
Apr
15
 accepted To verify d defines a metric on D
Apr
15
 awarded  Scholar
Apr
14
 asked To verify d defines a metric on D
Apr
14
 asked Example of a homeomorphic map $T:X→Y$
Apr
14
 asked To show $X_2$ is complete space