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Topic: Using classes instead of sets
Replies: 26   Last Post: Apr 1, 2013 8:04 PM

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Shmuel (Seymour J.) Metz

Posts: 3,357
Registered: 12/4/04
Re: Using classes instead of sets
Posted: Mar 30, 2013 10:45 PM
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In <g1udl8537unb3ue0drmnq1op9lj82r21la@4ax.com>, on 03/30/2013
at 08:35 AM, David C. Ullrich <ullrich@math.okstate.edu> said:

>Oh? For example?

<http://en.wikipedia.org/wiki/New_Foundations>

Note that it has only a restricted axiom of comprehension.

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Shmuel (Seymour J.) Metz, SysProg and JOAT <http://patriot.net/~shmuel>

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