Can someone please rewrite this so an eighth grader can understand it. When writing a definition for a term, use terms that are less complex than the term you are trying to define. For example, 'bijection' is a far more complex concept than 'finite'. --Rrusczyk 15:14, 6 July 2006 (EDT)

Better, but now the definition is circular. --DPatrick 13:59, 7 July 2006 (EDT)

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