Talk:Additive inverse
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Untitled[edit]
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)