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.

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- March 23rd 2011, 06:38 AMalper82divisible group + monomorphism
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. - March 23rd 2011, 11:11 AMalper82
any proof?

- March 23rd 2011, 12:39 PMDrexel28
- October 6th 2011, 11:47 PMalper82Re: divisible group + monomorphism
Any idea please?

- October 7th 2011, 12:37 AMSwlabrRe: divisible group + monomorphism
- October 7th 2011, 03:17 AMalper82Re: divisible group + monomorphism
Yes i know it already. But i dont know how can i build a homomorphism from Q to D.

- October 7th 2011, 05:22 AMDevenoRe: divisible group + monomorphism
hmmm.... i have an integer m, and a natural number n. how can i make a rational number from that? i wonder....