问题

Questions in category: 点集拓扑 (General Topology).

证明所有正整数的乘积等于c.

Posted by haifeng on 2011-07-03 09:10:13 last update 2011-08-24 17:52:58 | Answers (1) | 收藏

\[ 1\cdot 2\cdot 3\cdots n\cdots=c, \] 其中 $c$ 是区间 $[0,1]$ 的基数. (即 $\lim\limits_{n\rightarrow\infty}n!=c$.)