netzweltler
Posts:
394
From:
Germany
Registered:
8/6/10


Re: Cardinality of turning wheel
Posted:
Mar 7, 2013 3:15 PM


On 6 Mrz., 23:20, quasi <qu...@null.set> wrote: > netzweltler wrote: > >quasi wrote: > > >>As far as the notion of infinite speed, I see the > >>specification of such a model as problematic, but as I said, > >>I would be willing to look at a proposal for such a model, so > >>long as the assumptions were fully specified, and sufficient > >>justification for analyzing the model was provided. > > >Is the notion of infinite speed more problematic to you than > >the notion, that any revolution of the countably infinite set > >of revolutions can be the origin  revolution #1? > > No, the choice of origin is arbitrary. > > quasi
There are countably infinitely many segments [0, 0.5] (#1), [0.5, 0.75] (#2), [0.75, 0.875] (#3), ... in [0, 1]. If the choice of #1 is arbitrary I can name any of these segments #1. If any segment of size > 0 can be #1, which segments are left to mark #2, #3, and so on?

