Countable set/Definition: Difference between revisions

Latest revision as of 18:28, 15 August 2008

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A definition or brief description of Countable set.

A set with as many elements as there are natural numbers, or less.

Revision as of 09:14, 1 June 2008 (view source) imported>Alexander Wiebel (def)		Latest revision as of 18:28, 15 August 2008 (view source) imported>Jitse Niesen (allow for finite sets, simplify definition (I think mathematicians will understand what is meant))
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	A set ~~for which~~ there ~~exists a one-to-one mapping from the~~ natural numbers ~~onto set itself~~.		A set with as many elements as there are natural numbers, or less.