EDB — 0H5

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Exercises

  1. [0H5] A point \(x\in X\) is an accumulation point for \(X\) 1 if and only if the singleton \(\{ x\} \) is not open.

    Solution 1

    [0H6]

  1. We are taking \(A= X\) in the definition [0GY].
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Authors: "Mennucci , Andrea C. G." .
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  • space, topological
  • topological space
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