first principles Without relying on other theorems for a result. For example, if f(x) = x2, f′(x)=2x but to show this from first principles requires the following argument:
first principles
数学辞典收录了4151条数学词条,基本涵盖了常用数学知识及数学英语单词词组的翻译及用法,是数学学习的有利工具。