精華區beta Math 關於我們 聯絡資訊
Let f: (S,d_S) --> (T,d_T) be an one-to-one function. If S is compact and f is continuous on S, show that f is homeomorphism. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.112.218.142
preed:很常用的一個性質 幾乎當定義用220.129.121.207 09/10