most recent 30 from http://mathoverflow.net 2013-05-21T19:51:29Z http://mathoverflow.net/feeds/user/12973 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/55391/mathematically-find-if-a-list-of-numbers-contains-duplicates profilesuuf6429 2011-02-14T08:56:37Z 2011-02-14T08:56:37Z

<p>Basically, I was wondering if one can find whether there are any (or at a least) a single duplicate in a set of numbers (eg: 2,7,3,7,6,5,4 => 7).</p>

http://mathoverflow.net/questions/55391/mathematically-find-if-a-list-of-numbers-contains-duplicates 2011-02-14T09:31:58Z 2011-02-14T09:31:58Z

I must admit the question came from a CS background, but as my question clearly said, I was asking for a purely mathematical approach to the problem. I think that wiki article pretty much answers my question.