Re: [xml-dev] Subtyping in XML

From
John Cowan <>
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Date
2002-09-09T21:47:01Z
ID
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Thread
Re: [xml-dev] Subtyping in XML
Jeff Lowery scripsit:

> Real numbers aren't a type??? 

Well, if a type is just a set/class, then yes, they are.  I think it more
useful to exclude uncountable classes from the types.  Floating-point
numbers are definitely a type: they are countable and in fact finite.
Integers and rational numbers are a type: countable but not finite.

-- 
John Cowan                              
http://www.ccil.org/~cowan              http://www.reutershealth.com
Thor Heyerdahl recounts his attempt to prove Rudyard Kipling's theory
that the mongoose first came to India on a raft from Polynesia.
        --blurb for _Rikki-Kon-Tiki-Tavi_