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Old 2013-01-02, 09:44   #4
Nick
 
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Dec 2012
The Netherlands

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Quote:
Originally Posted by jinydu View Post
Thanks. I presume 'rational integer' and 'rational prime' mean 'element of \mathbb{Q}' and 'prime in \mathbb{Q}' respectively? As opposed to 'element of \mathbb{O_K}' and 'prime in \mathbb{O_K}'?
Yes (but with \mathbb{Z} instead of \mathbb{Q}):
in algebraic number theory, the elements of \mathbb{Z} are called rational integers to distinguish them from algebraic integers, and similarly with primes.
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