Re: Alien color vision

In article <Xns99D459836ABDgeniechewbaccaorg@207.115.17.102 >, Gene Ward Smith writes:
>Han de Bruijn <Han.deBruijn@DTO.TUDelft.NL> wrote in news:e96af$47204354 $82a1e228$2469@news1.tudelft.nl:

>>> You might be right about his motivations, but he regularly posts stuff
>>> like that on sci.math. You want to really get him going? Tell him that
>>> capitalism's not due to the axioms of ZF set theory.
>>
>> I'll bite. But it's the reverse: ZF set theory is due to capitalism.
>
>Nonsense; capitalism is based on choice. ZF+AD is communism.
[*]

"AD"? Neither mathworld nor a general google showed anything for "ZF+AD".

--
Michael F. Stemper
#include <Standard_Disclaimer>
Build a man a fire, and you warm him for a day. Set him on fire,
and you warm him for a lifetime.

In article <200710251705.l9PH5HRY190604@walkabout.empros.com> ,
mstemper@siemens-emis.com (Michael Stemper) wrote:

> Build a man a fire, and you warm him for a day. Set him on fire,
> and you warm him for a lifetime.
-- John Calvin?

In article <200710251705.l9PH5HRY190604@walkabout.empros.com> ,
mstemper@siemens-emis.com (Michael Stemper) wrote:

> In article <Xns99D459836ABDgeniechewbaccaorg@207.115.17.102 >, Gene Ward Smith
> writes:
> >Han de Bruijn <Han.deBruijn@DTO.TUDelft.NL> wrote in news:e96af$47204354
> >$82a1e228$2469@news1.tudelft.nl:
>
> >>> You might be right about his motivations, but he regularly posts stuff
> >>> like that on sci.math. You want to really get him going? Tell him that
> >>> capitalism's not due to the axioms of ZF set theory.
> >>
> >> I'll bite. But it's the reverse: ZF set theory is due to capitalism.
> >
> >Nonsense; capitalism is based on choice. ZF+AD is communism.
>
>[*]
>
> "AD"? Neither mathworld nor a general google showed anything for "ZF+AD".

Off the top of my head ZF Zorn Frankel? But AD?

On Thu, 25 Oct 2007 14:17:58 -0400, Walter Bushell wrote:
> In article <200710251705.l9PH5HRY190604@walkabout.empros.com> ,
> mstemper@siemens-emis.com (Michael Stemper) wrote:

>> In article <Xns99D459836ABDgeniechewbaccaorg@207.115.17.102 >, Gene Ward Smith
>> writes:
>> >Han de Bruijn <Han.deBruijn@DTO.TUDelft.NL> wrote in news:e96af$47204354
>> >$82a1e228$2469@news1.tudelft.nl:
>>
>> >>> You might be right about his motivations, but he regularly posts stuff
>> >>> like that on sci.math. You want to really get him going? Tell him that
>> >>> capitalism's not due to the axioms of ZF set theory.
>> >>
>> >> I'll bite. But it's the reverse: ZF set theory is due to capitalism.
>> >
>> >Nonsense; capitalism is based on choice. ZF+AD is communism.
>>
>>[*]
>>
>> "AD"? Neither mathworld nor a general google showed anything for "ZF+AD".

> Off the top of my head ZF Zorn Frankel? But AD?

Zermelo-Fraenkel plus the Axiom of Determinacy.


--
Dave Seaman
Oral Arguments in Mumia Abu-Jamal Case heard May 17
U.S. Court of Appeals, Third Circuit
<http://www.abu-jamal-news.com/>

mstemper@siemens-emis.com (Michael Stemper) wrote in
news:200710251705.l9PH5HRY190604@walkabout.empros. com:

>>> I'll bite. But it's the reverse: ZF set theory is due to capitalism.
>>
>>Nonsense; capitalism is based on choice. ZF+AD is communism.
>
>[*]
>
> "AD"? Neither mathworld nor a general google showed anything for "ZF+AD".
>

http://en.wikipedia.org/wiki/Axiom_of_determinacy

In article <proto-E36D39.14175825102007@news.panix.com>,
Walter Bushell <proto@oanix.com> wrote:
>In article <200710251705.l9PH5HRY190604@walkabout.empros.com> ,
> mstemper@siemens-emis.com (Michael Stemper) wrote:

>> In article <Xns99D459836ABDgeniechewbaccaorg@207.115.17.102 >, Gene Ward Smith
>> writes:
>> >Han de Bruijn <Han.deBruijn@DTO.TUDelft.NL> wrote in news:e96af$47204354
>> >$82a1e228$2469@news1.tudelft.nl:

>> >>> You might be right about his motivations, but he regularly posts stuff
>> >>> like that on sci.math. You want to really get him going? Tell him that
>> >>> capitalism's not due to the axioms of ZF set theory.

>> >> I'll bite. But it's the reverse: ZF set theory is due to capitalism.

>> >Nonsense; capitalism is based on choice. ZF+AD is communism.



>> "AD"? Neither mathworld nor a general google showed anything for "ZF+AD".

>Off the top of my head ZF Zorn Frankel? But AD?

ZF is Zermelo-Fraenkel (different spellings for Fraenkel)

AD is Axiom of Determinacy
--
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