3 Jul
2006
3 Jul
'06
2:46 p.m.
On 7/3/06, Michael Kleber <michael.kleber@gmail.com> wrote: ...
And Erdos proved the following refinement of Bertrand's postulate: the interval from n to 2n always contains both a 1 mod 4 and a 3 mod 4 prime. That'll do it.
Um ---- n = 0? n = 1? n = 2? By engineer's induction (only slightly modified), this needs to go back to the drawing board! [Neat idea, though.] WFL