
Re: Problems with Infinity?
Posted:
Feb 26, 2013 1:54 PM


On Mon, 25 Feb 2013 22:46:40 0800 (PST), netzweltler <reinhard_fischer@arcor.de> wrote in <news:10d235a2fc1e4b76aa2e8622170ae701@fn10g2000vbb.googlegroups.com> in rec.arts.sf.written,sci.math:
> On 25 Feb., 17:58, "Brian M. Scott" <b.sc...@csuohio.edu> wrote:
>> On Mon, 25 Feb 2013 08:48:05 0800 (PST), netzweltler >> <reinhard_fisc...@arcor.de> wrote in >> <news:5da7d5eb57a043a8afba131c856173ce@he10g2000vbb.googlegroups.com> >> in rec.arts.sf.written,sci.math:
>> [...]
>>> If there is a horizontal infinite line, how do we assign >>> the origin?
>> Arbitrarily.
>>> How do we prove, that the distance in meter from the >>> origin I have chosen to the origin someone else (along >>> this line) has chosen can be counted?
>> By proving that Lebesgue measure is is the unique complete, >> translationinvariant measure on the sigmaalgebra generated >> by the intervals. Thus, one the two of you choose a unit, >> the length of the interval between your origins is >> completely determined.
> When we assign the origin of the horizontal infinite line, > and we are coming from the left, we can count all the > meters to the right of the origin. Can we possibly have > counted all the meters to the left of the origin as soon > as we arrive there?
What's this nonsense about 'coming' and 'arriving'?
Schon gut! Noch ein Ignorant.

