Prove that, If a divisible group D has a nonzero and infinite order element then there exist a monomorphism f:Q--->D .
plese help me for this question. Thanks.
Printable View
Prove that, If a divisible group D has a nonzero and infinite order element then there exist a monomorphism f:Q--->D .
plese help me for this question. Thanks.
any proof?
For everyQuote:
Originally Posted by alper82
and
there exists some
if
where
...
Any idea please?
What about Drexel's idea do you not understand?Quote:
Originally Posted by alper82
Yes i know it already. But i dont know how can i build a homomorphism from Q to D.
hmmm.... i have an integer m, and a natural number n. how can i make a rational number from that? i wonder....