[FOM] Need reference for results in Field Theory
joeshipman at aol.com
Sat Oct 14 10:24:36 EDT 2006
Who first proved the following theorem? (I assume the answer isn't
If K and L are nonisomorphic subfields of the algebraic numbers, then
there is a polynomial with integer coefficients which has a root in one
of them and no root in the other.
Also, who proved this one (or is it false)?
Any field of characteristic 0 is elementarily equivalent to a subfield
of the algebraic numbers.
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