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Line 1: − '''Zero''' (written <math>0</math>) is the additive identity of the [[real number]]s. One is the successor of zero. Its is believed that [[India]]ns invented the numerical concept of zero for their trades to the west.+ − + − The concept of zero was an important development in mathematics as it provided an easy method to increase magnitude in a simple and consistent manner, an essential prerequisite for advanced mathematics.+ − + − In the BC/AD timeline, the year zero is omitted. History proceeds from December 31, 1 BC to January 1, 1 AD. This can lead to counting errors when summing up spans of time that cross the transition point, because people often assume the timeline is constructed like the set of integers.+ − + − [[Category:Mathematics]]+
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