Ideal
Revision as of 17:34, 30 November 2007 by Valentin Vornicu (talk | contribs) (New page: In ring theory, an ideal is a special subset of the ring. ==Definition== Let <math>R</math> be a ring, with <math>(R, +)</math> the underlying additive group of the ring. A subset <m...)
In ring theory, an ideal is a special subset of the ring.
Definition
Let be a ring, with the underlying additive group of the ring. A subset of is called right ideal of if
- is a subgroup of - is in for all in and all in
Problems
<url>viewtopic.php?t=174516 Problem 1</url>