Consider the set S defined by S = {1/n, n e N}

Is S closed or open in R with respect to the tandard metric

Determine the interior, the closure and the boundary of the set S

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- Oct 20th 2010, 11:25 AMGodisgoodmetric spaces
Consider the set S defined by S = {1/n, n e N}

Is S closed or open in R with respect to the tandard metric

Determine the interior, the closure and the boundary of the set S - Oct 20th 2010, 12:11 PMMath Major
Given a point s in S, can you construct an open ball about s contained entirely in S?