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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any proof?
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 and there exists some if where ...
Any idea please?
Originally Posted by alper82 Any idea please? What about Drexel's idea do you not understand?
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....
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