![Ring Theory | Elementary Properties of a Ring | (R, +, .) | Commutative Ring with Unity Examples - YouTube Ring Theory | Elementary Properties of a Ring | (R, +, .) | Commutative Ring with Unity Examples - YouTube](https://i.ytimg.com/vi/fQE4EDWRikA/maxresdefault.jpg)
Ring Theory | Elementary Properties of a Ring | (R, +, .) | Commutative Ring with Unity Examples - YouTube
What is the definition of a commutative ring with unity? What are the properties of a commutative ring with unity? Does every group have a unique additive identity? Why or why not? -
![abstract algebra - Examples of rings satisfying some of the following properties - Mathematics Stack Exchange abstract algebra - Examples of rings satisfying some of the following properties - Mathematics Stack Exchange](https://i.stack.imgur.com/bseqm.jpg)