| What are the associative, commutative, distributive, and equality properties? |
| The second difficulty was more damaging and, to a degree, commutative with the first. |
| An operation is commutative if you can change the order of the numbers involved without changing the result. |
| Of course, the relationship between painting and philosophy is not entirely commutative. |
| Using the fact that polynomial rings are Noetherian, show that every finitely generable commutative ring is finitely presentable. |
| So, the addition and multiplication we are used to using are commutative. |
