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when toggle format what by license comment
Jul 26, 2021 at 19:46 comment added Bjorn Poonen To prove that every finite abelian group is a Galois group over $\mathbf{Q}$, one does not even need Dirchlet's theorem on primes in arithmetic progression: the argument in the answer to mathoverflow.net/questions/15220/… suffices.
Aug 5, 2018 at 1:12 history edited Yemon Choi CC BY-SA 4.0
The previous prettification, if it is to be approved, got things wrong. If one wants to replace Q by some fontified version then get it right
Jul 24, 2018 at 19:42 comment added Daniel Litt I really like this classification of problems into sinks and sources.
Jul 24, 2018 at 16:17 history edited Mike Pierce CC BY-SA 4.0
Improved the formatting
Nov 29, 2009 at 21:23 history edited Pete L. Clark CC BY-SA 2.5
edited in accordance with JSE's comment
Nov 29, 2009 at 8:29 history answered Pete L. Clark CC BY-SA 2.5