On 9/23/07, Richard Fateman <fateman at cs.berkeley.edu> wrote:
> I think x+a is a polynomial in x and a, not a polynomial in x.
> Dunno about %pi. For some purposes %pi is a polynomial in the object %pi,
We were talking about limit(...,x,...). In this context, the question
is whether some (sub)expression is a polynomial in x with coefficients
free of x. x+a is a polynomial in x for this purpose. %pi is also a
polynomial in x (of order 0, since %pi is a constant).
-s