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Re: why does this happen?

On Oct 13, 2005, at 1:39 AM, Chris Chiasson wrote:

> r[Pattern[junk[stuff],_],x_]=junk[stuff]^2+x
> First element in pattern Pattern[junk[stuff],_] is not a valid  
> pattern name.

The first argument to a pattern must be a symbol, junk[stuff] is an  



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