Book:Nathan Jacobson/Lectures in Abstract Algebra

Subject Matter

 * Abstract Algebra

Source work progress
* : Chapter $\text{I}$: Semi-Groups and Groups: $1$: Definition and examples of semigroups


 * Reworking:
 * some examples missing from after this point
 * formal definition of ordering on integers -- results to be determined


 * : Introduction $\S 5$: The system of integers