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S Mar 12, 2019 at 16:32 history suggested Glorfindel CC BY-SA 4.0
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S Mar 12, 2019 at 16:32
Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Jun 22, 2013 at 20:23 answer added Albertas timeline score: 11
Feb 14, 2010 at 14:16 comment added JS Milne Yes, this is the easy way round. The hard way is showing algebraically that, given an (abelian) extension L/K of number fields, there exists a prime of K that does not split completely in L. This was done by Chevalley when he gave the first purely algebraic proof of the main theorems of class field theory.
Feb 14, 2010 at 12:33 answer added Franz Lemmermeyer timeline score: 14
Feb 14, 2010 at 2:30 comment added François G. Dorais Seeing how simple the answers from Bjorn and Victor are, this is one case where the "obvious" analytic proof is much, much longer than the elementary one!
Feb 14, 2010 at 2:13 vote accept François G. Dorais
Feb 14, 2010 at 1:50 answer added Victor Miller timeline score: 12
Feb 14, 2010 at 1:49 answer added Bjorn Poonen timeline score: 77
Feb 14, 2010 at 0:40 history asked François G. Dorais CC BY-SA 2.5