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Re: Why not Hausdorff's ordered pairs
Posted:
Feb 23, 2012 2:46 PM
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On 2012-02-23, Graham Cooper <grahamcooper7@gmail.com> wrote:
> On Feb 23, 1:38 pm, Graham Cooper <grahamcoop...@gmail.com> wrote:
>> What about:
>> { {a,{a}} , {{b,{b}}} , {{{c,{c}}}} , {{{{d,{d}}}} }
> { {a,{}} , {{b,{}}} , {{{c,{}}}} , {{{{d,{}}}} }
> ^ Minor improvement!
> { {a} , {{b}} , {{{c}}} }
> is problematic when say b = {{}}
> Herc
This one is even worse. Suppose a = {{u}} and
b = {v}.
--
This address is for information only. I do not claim that these views
are those of the Statistics Department or of Purdue University.
Herman Rubin, Department of Statistics, Purdue University
hrubin@stat.purdue.edu Phone: (765)494-6054 FAX: (765)494-0558
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