Chinese culture lack formalization system like as Euclidean geometry,the circumstance disadvantages modernization of Chinese sciences,as well as modernization of technology and industry.The role of Combinatorics in the age of computer-web-information is the same as the role of Euclidean geomitry in Industrialization.According to Constructivism mathematics,we believe and accept one mathematical object does exist if and only if we can construct it or build it in practice.So only parts of knowdlege that have devised from manipulating the integers are truthfully reliable!
A reference source about Natural Number
你可以使用这个链接引用该篇文章 http://publishblog.blogchina.com/blog/tb.b?diaryID=886414