Mathematicas simplifications
- To: mathgroup at smc.vnet.net
 - Subject: [mg96279] Mathematicas simplifications
 - From: Kilian Kilger <kilian at nihilnovi.de>
 - Date: Tue, 10 Feb 2009 05:56:39 -0500 (EST)
 
Hello,
if I type in Mathematica 7 for example
Select[Divisors[n],SquareFreeQ]
It gives me 
Divisors[n]
as a response, which is wrong. If I type
f[n_] := Select[Divisors[n],SquareFreeQ]
and then 
f[4]
it gives me 
{1,2}
which is correct. If I type (afterwards)
f[n]
again the wrong answer "Divisors[n]" is shown. What am I doing wrong? Same happens in many other circumstances. 
Thanks in advance,
Kilian.
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