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 - For rings, are additive identity elements (often depicted 0), equivalent to multiplicative absorption elements - Mathematics Stack Exchange abstract algebra - For rings, are additive identity elements (often depicted 0), equivalent to multiplicative absorption elements - Mathematics Stack Exchange](https://i.stack.imgur.com/Uy3aH.png)
abstract algebra - For rings, are additive identity elements (often depicted 0), equivalent to multiplicative absorption elements - Mathematics Stack Exchange
![SOLVED: Let R be ring with multiplicative identity: Let be a uit in R Prove that there is unique multiplicative inverse for T Let R be ring and fixed element of R: SOLVED: Let R be ring with multiplicative identity: Let be a uit in R Prove that there is unique multiplicative inverse for T Let R be ring and fixed element of R:](https://cdn.numerade.com/ask_images/6e2c79c6d6474512975f4cb02aa0ab75.jpg)