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awarded  Popular Question
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awarded  Nice Answer
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awarded  Teacher
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answered Fun but serious mathematics books to gift advanced undergraduates.
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awarded  Supporter
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accepted Open cover of a particular set
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awarded  Scholar
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accepted Example to show the distance between two closed sets can be 0 even if the two sets are disjoint
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awarded  Student
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comment Open cover of a particular set
Yes we are working on the real number line.
Mar
29
asked Example to show the distance between two closed sets can be 0 even if the two sets are disjoint
Mar
29
asked Open cover of a particular set