Haha. Cute. :) Fractions?

@Chubi

{forall n a positive integer | 1/n} u {0} is the smallest closed set containing {1/n}; {0} is the adherence of the first set. They are very close.

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Haha. Cute. :) Fractions?

@Chubi

{forall n a positive integer | 1/n} u {0} is the smallest closed set containing {1/n}; {0} is the adherence of the first set. They are very close.