>>284
>下記で、
>”the completion of the Prufer group for b,
>given by the inverse limit lim ← Z/b^n Z.”だとあるなww
https://en.wikipedia.org/wiki/Circle_group
 やれやれ、検索しかできないニホンザルは、ウソ記述に簡単に騙されるなぁ

 Prüfer group のページ読んだか?
 Prüfer groupは、direct limit(直極限・帰納極限)って書いてあるだろ
 ”For each natural number n,
  consider the quotient group Z/pnZ
  and the embedding Z/pnZ → Z/pn+1Z
  induced by multiplication by p.
  The direct limit of this system is Z(p∞):
 Z(p∞)=lim→ Z /p^n Z"