Re: abundance of irrationals!)



In article <fb701d3c.0504070928.7ae79b09@xxxxxxxxxxxxxxxxxx> mueckenh@xxxxxxxxxxxxxxxxx (W. Mueckenheim) writes:
....
> How can you find out whether SUM 1/2^k is converging, unless you are
> able to prove for ALL n > n_0 that 1 - S_n < epsilon? (S_n is the
> partial sum up to n)

By properly defining what you are meaning with that notation.
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