Talk:Additive inverse

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WikiProject Mathematics (Rated Start-class, Low-importance)
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Mathematics rating:
Start Class
Low Importance
 Field: Algebra

should read:

  • "In mathematics,..."
  • ... in an additively noted abelian group ...
  • ... opposite of ring elements (matrices, functions, ...)...
  • ... if there is a unit element (in K for a K-module), then -x = (-1)·x

Universal construction[edit]

"to do: symmetrization of an abelian semigroup"

-- Moved the above section to this page until it can be completed.

Meersan 22:43, 8 February 2006 (UTC)