推 zhanguihan : your proof is wrong due to the wrong contradicti 02/24 19:07
→ zhanguihan : ve statement of conclusion in your asumption. 02/24 19:07
推 zhanguihan : and there is an counterexample as follows: let f 02/24 19:22
→ zhanguihan : be defined on the unit closed interval and be o 02/24 19:22
→ zhanguihan : ne at the rational number and zero others. 02/24 19:22
推 kilva : 樓上的例子是勒貝格可積,但黎曼不可積 02/24 19:31
推 arrenwu : 我想一樓的意思是他反證法用的假設有問題吧 02/24 23:52
推 arrenwu : 她這個函數的可積分是定義在什麼積分上啊? 02/24 23:55
→ arrenwu : Lebesgue ? Riemann ? 02/24 23:55
→ OSGrup : 這邊內容是黎曼可積分,謝謝各位 02/25 10:44