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S Jan 26, 2014 at 17:24 history suggested José Hdz. Stgo. CC BY-SA 3.0
improved formatting
Jan 26, 2014 at 17:22 review Suggested edits
S Jan 26, 2014 at 17:24
Jan 25, 2014 at 16:02 comment added GH from MO Yes. This is why I think there is no really good answer to the original question. Erdős developed Chebyshev's idea further, and it is hard to do better than him!
Jan 25, 2014 at 15:28 comment added Philip Gibbs Erdős's proof is another example of the same idea isn't it? But it is tighter and gets down to n=2
Jan 25, 2014 at 15:00 comment added GH from MO I think Erdős's proof of Bertrand's postulate (in the pdf file that you linked) is shorter and simpler.
Jan 25, 2014 at 14:41 vote accept Lukas
Jan 25, 2014 at 13:29 history answered Philip Gibbs CC BY-SA 3.0