Talk:Inverse in Monoid is Unique

The paragraph from "Similarly:" seems unnecessary... -- TheSpleen (talk) 16:03, 8 September 2013 (UTC)


 * There is a reason, I just can't think what it is at the moment. --prime mover (talk) 16:24, 8 September 2013 (UTC)


 * It's just that if you read the second equation system backwards and switch $y$ and $z$, you get exeactly the same. -- TheSpleen (talk) 17:09, 8 September 2013 (UTC)


 * Yes all right it's not necessary, but it's informative for a beginner. --prime mover (talk) 06:07, 9 September 2013 (UTC)