Re: Extending the reals
- From: "Ross A. Finlayson" <raf@xxxxxxxxxxxxxxx>
- Date: 5 Jan 2007 18:56:40 -0800
cbrown@xxxxxxxxxxxxxxxxx wrote:
For the third time in this thread, "dense", "connected", and
"continuous" have different meanings. And "gapless" has no particular
meaning to me at all; unless it is supposed to mean "dense".
So is it a complete ordered field?
Otherwise there's not the arithmetic on it, defying its stated
properties.
Sets are defined by their elements and N in the generic extension
bijects to R. Transfinite cardinals is finitism.
The real numbers are _definitely_ useful, and _widely_ used. They're
just not standard yet.
Ross
.
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