- #1

Mr Davis 97

- 1,462

- 44

## Homework Statement

Show that the rings ##2 \mathbb{Z}## and ##3 \mathbb{Z}## are not isomorphic.

## Homework Equations

## The Attempt at a Solution

I know how to show that two structures are isomorphic: find an isomorphism. However, I am not quite sure how to show that there exists no isomorphism at all