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When the article says:
- A^n is isomorphic to B^n
should this be
- is isomorphic to ,
or is this a special notation I don't know about?
- Missed this, sorry... fixed. Dysprosia 09:02, 9 Aug 2003 (UTC)
something about p-ranks? (rank of an abelian group is the non-torsion rank plus sum of p-ranks for every prime p).