Answer to Question #16660 in Abstract Algebra for Melvin Henriksen
Show that any left noetherian ring R is Dedekind-finite.
1
2012-10-17T09:24:38-0400
Since R is a noetherian module, it is hopfian, and left regular module R is hopfian iff R is Dedekind – finite, so R is Dedekind – finite.
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