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    Real Analysis : Open Intervals

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    Show that it is impossible to write R=U(union sign n=1 bottom, infinity top)F_n where for each n belong to N, F_n is closed set containing no nonempty open intervals.

    © BrainMass Inc. brainmass.com February 24, 2021, 2:32 pm ad1c9bdddf
    https://brainmass.com/math/real-analysis/real-analysis-open-intervals-27432

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