Hello everybody; Let be commutative ring with unity and let and be two ideals of Show that
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Originally Posted by student2011 Hello everybody; Let be commutative ring with unity and let and be two ideals of Show that is obvious. for the other inclusion, let . then there exists a positive integer such that , for some and . so and , for some positive integers . now show that and thus .
Thank you very much, I catch the point. In order to show that , we do the following: This shows that
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