atiyah mac donald exercise 4.18 implication ii) implies i)

atiyah mac donald exercise 4.18 implication ii) implies i) [closed]

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Exercise 18 chapter 4 page 57 (Atiyah - Mac Donald)

The last trick: why property (L2) implies the end of the construction? In other words, why (L2) implies the ideal a_n=(1)?

Thank you

flag	asked Feb 17 2010 at 21:22 Solo 7●1

You'd probably benefit from this site if you detailed your approach so far and why you got stuck, and also defined the question. Although MathOverflow isn't for routine homework questions, some books have trickier problems that may have deeper ideas lurking. If you can motivate your question sufficiently well, you will get good answers :) – Jason Polak Feb 17 2010 at 21:28

At the very least, you could copy the complete question! It is impossible to know what you are asking without having the book at hand, yet it is quite possible that someone can help you who does not have the book... – Mariano Suárez-Alvarez Feb 17 2010 at 22:22

Please clean up this question. State the problem, the definitions, some background, some motivation. I participate in this site to learn, often by explaining, but more often by reading the questions others ask, not to give you my answers to homework questions. – Theo Johnson-Freyd Feb 18 2010 at 1:58

Closed, per Polak's and Theo's comment. This needs to be rewritten before it's an acceptable mathoverflow question. – Scott Morrison♦ Feb 18 2010 at 7:14