Mathematics, 31.07.2019 22:30 robot2998

Give an example of each of the following or explain why you think such a set could not exist.
(a) a nonempty set with no accumulation points and no isolated points
(b) a nonempty set with no interior points and no isolated points
(c) a nonempty set with no boundary points and no isolated points

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Give an example of each of the following or explain why you think such a set could not exist.
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