1,841 reputation
1225
bio website numberwarrior.wordpress.com
location Arizona
age 35
visits member for 4 years, 6 months
seen Apr 11 at 20:11
High school educator. Interests: logic, combinatorics, history of mathematics.

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comment Which classes are sets?
While I appreciate this answer (incidentally, Smullyan and Fitting's book uses NBG) the above quote suggests some think there is an overarching principle that connects all possible definitions. Even if it's wrong as posited, I'm curious what that principle might be.
Aug
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asked Which classes are sets?
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awarded  Nice Answer
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