a fortiori From the Latin, meaning ‘with even stronger reason', this is often used to refer to a general statement from which another follows immediately; for example, since 11 is a prime number, it is a fortiori not divisible by 5.
a fortiori
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。