1,876 reputation
1227
bio website numberwarrior.wordpress.com
location Arizona
age 35
visits member for 4 years, 9 months
seen May 19 at 14:53
High school educator. Interests: logic, combinatorics, history of mathematics.

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Aug
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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
6
asked Which classes are sets?