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Math Help - Theories of Numbers

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    Theories of Numbers

    Are there any other rigorous or serious attempts at understanding numbers besides set theory?
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  2. #2
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    Quote Originally Posted by charmedquark View Post
    Are there any other rigorous or serious attempts at understanding numbers besides set theory?
    Absolutely not.
    All of mathematics is defined as sets. PERIOD. End of story.
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  3. #3
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    There is Peano Arithmetic, a first-order theory that axiomatizes natural numbers. It does not rely on axioms of set theory. Also, one can consider a category or a topos with a natural number object. From Wikipedia:
    A traditional axiomatic foundation of mathematics is set theory, in which all mathematical objects are ultimately represented by sets (even functions which map between sets). More recent work in category theory allows this foundation to be generalized using toposes.
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    Please delete.
    Last edited by Archie Meade; February 24th 2011 at 01:39 PM.
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