The Archimedean property of the natural numbers says that ℕ is not bounded above; that is, for any real number x there exists a natural number n such that x < n.
科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。