On Mon, 21 Jul 2008 00:31:49 -0700, William Elliot
<marsh@[EMAIL PROTECTED]
> wrote in
<news:Pine.BSI.4.58.0807210029470.16936@[EMAIL PROTECTED]
>
in alt.algebra.help:
> On Sun, 20 Jul 2008, Brian M. Scott wrote:
>> Apparently what you were really trying to say was something
>> like this, which is another matter altogether:
>> For any y in N let P(y) be the set of primes not
>> exceeding sqrt(y), and let n(y) be the number of
>> integers in [1, y] not divisible by any member of
>> P(y). Then for sufficiently large values of y,
>> n(y) is approximately p(y), the number of primes
>> in [1, y].
> Typo? n(y) is approximately P(y), the number of primes
No typo. Your version makes no sense: P(y) is a set of
primes, not a number.
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