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Aug 13, 2012 at 21:46 vote accept M Simon
Aug 13, 2012 at 21:46 comment added M Simon Thanks for the counterexample, Jason! I also realized that my statement was not not true without assumption $pdim_{R/(f)}(S)<\infty$. I was slow to correct my claim. This is an educational counterexaple.
Aug 13, 2012 at 21:20 history answered Jason Starr CC BY-SA 3.0