摘要
作者试图把算术或代数意义的和微分意义的两种不同极限概念区分开，论证二者绝无共同之处。本文还证明了无限小是一个理想的数，一个真正的变数。
The a uthtor tries to distinguish between two concepts， limit algebraic and differentialand to prove that the “infinitely Small”is an ideal nurnber and a real variablc as well.
关键词
极限
无限小
数学手稿
哲学
limit，infinitely small,idecl number.
