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> In article <6_CNg.30668$iJ1.19984@xxxxxxxxxxxx>,
> "Dan Christensen" <dchris@xxxxxxxxxxxxx> wrote:
> > The key seems to be selecting a suitable subset of N^3. I have tried several
> > that seemed "reasonable" but ultimately led to dead-ends -- I couldn't even
> > prove they were functions. Any suggestions would be appreciated.
> >
> > Dan
>
Ken Pledger wrote:
> For the last three months I've been too busy to look at news
> groups, but you may still like this belated reply.
>
> The exact proof you want is in Landau, "Foundations of Analysis,"
> Theorem 4. Landau himself had a struggle with this proof, as he
> explains in his Preface for the Teacher.
For some strange reason, this thread concluded with an answer
in September, only to see the question re-raised in a similarly-
titled thread in October. I am just trying to get the threads
re-unified.
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