推 cgkm:你的意思是不是 "f:R→R is continuous and the image 12/10 13:18
→ cgkm: of f on Q is contained in R-Q"? 12/10 13:20
→ Rapiers:不..f is a mapping from rationals to irrationals 12/10 14:37
→ Rapiers:Do you have any idea? 12/10 14:37
→ Rapiers:ㄛ..你說得對..不好意思看錯你的意思 12/10 14:38