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Wed 13 Apr, 2016 02:42 pm
*Logicists suggest that the reals just are cuts. But somebody might worry that there might be more reals than there are cuts. Explain why we need not worry, that is, give reasons for thinking that the cardinality of the set of cuts is the same as the cardinality of the set of reals.
* How are the numbers defined in set theory? How about in number theory?