Difference between revisions of "Natural Numbers"
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| − | Natural numbers are the nonnegative | + | '''Natural numbers''' are the nonnegative [[integer]]s {0, 1, 2, 3,...}, according to most modern [[mathematics]] and [[logic]] textbooks. Older books sometimes exclude [[zero]], as there is a long history of people thinking that zero is unnatural or not really a number. |
[[Category:Mathematics]] | [[Category:Mathematics]] | ||
Revision as of 21:27, May 8, 2007
Natural numbers are the nonnegative integers {0, 1, 2, 3,...}, according to most modern mathematics and logic textbooks. Older books sometimes exclude zero, as there is a long history of people thinking that zero is unnatural or not really a number.