Recent content by golfgreen99

Here is what I have (I think I have (ii)): (i) Part 1: Clearly if a,b are elements of I, then a+b are elements of I (since I is ideal to R) and if a,b are elements of J then a + b are elements of J (since J is ideal to R) If we have one element from each ideal, say a element of I/b...

Homework Statement Suppose R is a ring and I,J is an ideal to R. Show (i) I+J is ideal to R. (ii) I union J is ideal to R.Homework Equations none