Remag12

exceptions to fourth isomorphism theorem

Are there exceptions to the fourth isomorphism theorem? I suspect they are monoids , semigroups, or structures less restricted.

orphan

An article you recently created, titled mathematical n system, is an "orphan", i.e. no other articles link to it. If you know of others that ought to link to it, could you add those links? Michael Hardy (talk) 17:04, 18 February 2013 (UTC)

August 2013

Hello, I'm BracketBot. I have automatically detected that your edit to Jacobson radical may have broken the syntax by modifying 1 "[]"s. If you have, don't worry, just edit the page again to fix it. If I misunderstood what happened, or if you have any questions, you can leave a message on my operator's talk page.

List of unpaired brackets remaining on the page:

• * As Herstein]s Non Commutative rings shows Jacobson radical theory does not require the ring to be unital.

Thanks, BracketBot (talk) 02:21, 17 August 2013 (UTC)