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Timeline for product of all F_p, p prime

Current License: CC BY-SA 2.5

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Feb 13, 2010 at 0:39 comment added Kevin Buzzard Joel's answer basically says "you only need one direction of (1): ultrafilters give you max ideals". The comments below his answer justify that the primes that split completely do indeed extend to a non-principal ultrafilter. So the result is true!
Feb 13, 2010 at 0:02 history answered Kevin Buzzard CC BY-SA 2.5