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Re: distinguishability - in context, according to definitions
Posted:
Feb 19, 2013 6:08 AM
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In <ut6dnU8pievPZYLMnZ2dnUVZ_rudnZ2d@giganews.com>, on 02/16/2013
at 03:21 PM, fom <fomJUNK@nyms.net> said:
>Ok. So, the trivial topology
>d(x,x)=0
>d(x,y)=1,-(x=y)
That's not a topology, it's a metric. The topology associated with
that metric is the discrete topology, and it's just as easy to define
the discrete topology without bothering with a metric.
--
Shmuel (Seymour J.) Metz, SysProg and JOAT <http://patriot.net/~shmuel>
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