On May 20, 8:10 pm, netzweltler <
reinhard_fisc...@arcor.de> wrote:
> On 20 Mai, 10:51, Graham Cooper <
grahamcoop...@gmail.com> wrote:
>
> > On May 20, 6:27 pm, netzweltler <
reinhard_fisc...@arcor.de> wrote:
>
> > > What does 2 x 2 x 2 x 2 x ... mean?
> > > Is it like 2 + 2 + 4 + 8 + 16 + ...?
>
> > Cantor defined it as 2^aleph_0
> > the amount of infinite binary strings
>
> I know that the cartesian product {0, 1} x {0, 1} x {0, 1} x ...
> results in the set of all infinite binary strings. The resulting set
> is {0, 1}^N, {0, 1}^w, or {0, 1}^aleph_0. A short form is also 2^N.
> Does this mean that
>
> 2 x 2 x 2 x ... = 2^N = 2^w = 2^aleph_0
>
> does make any sense?
>
> > > What about
> > > 0.5^oo <- Is this term even well-defined?
>
> > It's infinitely small but not in any x->oo 1/x way!
> > If you multiplied it by |R| you should get 1 though!
>
> Is "infinitely small" well-defined?
>
but but but..... I don't care what Cantor said.... SAY WHEN!