2Â¥: Originally posted by hank612 at 2015-01-17 08:37:10
(4)
http://math.stackexchange.com/questions/449404/is-an-automorphism-of-the-field-of-real-numbers-the-identity-map

½â´ðRµÄÓò×Ôͬ¹¹Ö»Óкãͬ.  ¶ÔQ ¸ü¼òµ¥.
\phi(1)=1\Rightarrow \phi(n)=n \Rightar ...

2Â¥: Originally posted by hank612 at 2015-01-17 08:37:10
(4)
http://math.stackexchange.com/questions/449404/is-an-automorphism-of-the-field-of-real-numbers-the-identity-map

½â´ðRµÄÓò×Ôͬ¹¹Ö»Óкãͬ.  ¶ÔQ ¸ü¼òµ¥.
\phi(1)=1\Rightarrow \phi(n)=n \Rightar ...

2Â¥: Originally posted by hank612 at 2015-01-17 08:37:10
(4)
http://math.stackexchange.com/questions/449404/is-an-automorphism-of-the-field-of-real-numbers-the-identity-map

½â´ðRµÄÓò×Ôͬ¹¹Ö»Óкãͬ.  ¶ÔQ ¸ü¼òµ¥.
\phi(1)=1\Rightarrow \phi(n)=n \Rightar ...