From: Albert_Rich@msn.com   
      
   It's always good to hear from a "big fan of Rubi"!   
      
   Inspired in part by your post on September 7th, improvements made to the just   
   released Rubi 4.6 enable it to integrate log(2+x)^3*log(3+x)*x^3 wrt x.  The   
   result is comparable in size to the Mathematica's and contains 6 polylogarithm   
   functions.   
      
   More generally Rubi 4.6 can integrate, at least in principle, any expression   
   of the form   
      
       Px F(g+h x)^m (a+b log(c (d (e+f x)^p)^q))   
      
   wrt x where Px is a polynomial, m is a non-negative integer and F is log,   
   arcsin, arccos, arctan, arccot, or their inverse hyperbolic counterparts.   
      
   However, like the other systems tested, Rubi 4.6 is unable to integrate   
   log(2+x)^3*log(3+x)^2*x^3 wrt x.  I would guess this expressions is not   
   integrable in terms of the elementary and polylogarithm functions(?).   
      
   Albert   
      
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