###### 1.

Integral domains are an abstraction of which two fundamental rings that we have already studied?

###### 2.

What are the various types of integral domains defined in this section?

###### 3.

The field of fractions of a ring abstracts what idea from basic mathematics?

###### 4.

In the previous chapter we had a theorem about irreducible polynomials generating maximal ideals. Which theorem in this chapter generalizes this previous result?

###### 5.

Describe an example which is a UFD, but not a PID.