# Math Help - divisible group + monomorphism

1. ## divisible 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.

2. any proof?

3. Originally Posted by alper82
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.
For every $m\in\mathbb{Z}$ and $n\in\mathbb{N}$ there exists some $y\in G$ if $ny=g^m$ where $|g|=\infty$...

5. ## Re: divisible group + monomorphism

Originally Posted by alper82