[FOM] Only one proof

MELVYN NATHANSON MELVYN.NATHANSON at lehman.cuny.edu
Tue Sep 8 11:05:10 EDT 2009


Pratt wrote:  "...the very existence of the algebraic numbers seems to depend 
on topology."  Why?  Algebraic numbers depend only on the definition of a 
polynomial and a field.  Constructions of roots of polynomials are purely algebraic, 
since at least the 19th century.


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