- #1

aesailor

- 6

- 0

## Homework Statement

ac | bc if and only if a | b (Note that this is really two implications.)

**2. The attempt at a solution**

The only way I can see going about this proof is by using examples. I know that in ac | bc the c will cancel out in both, but I don't know how to properly word the proof. Any suggestions would be greatly helpful.