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Math Help - defining natural numbers

  1. #1
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    defining natural numbers

    How would you define natural numbers *without* using ordinal numbers? And how would you define addition on that set of natural numbers?

    I'm completely lost, please help.
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  2. #2
    MHF Contributor kalagota's Avatar
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    Quote Originally Posted by georgel View Post
    How would you define natural numbers *without* using ordinal numbers? And how would you define addition on that set of natural numbers?

    I'm completely lost, please help.
    see this page.. in particular, look on the second post (post by jhevon) and click the hyperlink there...
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