In this paper,we discussed some questions about the concepts of increase or decrease of functions in a interval or at a point ,and we pointed out several mistakes in the book“Introduction to Higher Mathematics”written by Prof.
本文叙述与函数在一个区间内单调及在一点处增大或减小这两个概念有关的一些命题,指出华罗庚先生所著《高等数学引论》中的几点疏忽。