Difference between revisions of "Archimedean"

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Revision as of 01:02, 22 February 2007

A ring R is said to be Archimedean if the ring is ordered, has a metric in R, x non-zero, there exists in the natural numbers such that denotes adding times. Iformally, a ring is Archimedean if it has no infinitely small or infinitely large elements. Examples of Archimedean rings include the real numbers and the rationals. Examples of non-Archimedean are less simple.