My name is Lê and I believe that the greatest challenge in education is to make science and math appealing.
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By Lê Nguyên Hoang | Updated:2016-02 | Views: 4884
Although they have been used for thousands of years, an actual definition of numbers was given less than a century ago! From the most fundamental level of set theory, this article takes you to the journey of the construction of natural, integer, rational, real and complex numbers.