FUNCTION: LieTools/SgReduce2Basis
USAGE: SgReduce2Basis(plist);
SYNOPSIS: SgReduce2Basis(plist) finds a polynomial basis for the
  polynomials in plist.
EXAMPLE: 
> plist := [g[4]^2-3*g[1]*g[8], g[5]^2-3*g[1]*g[8]+g[3]*g[6], g[4]^2-2*g[1]*g[8],\
           g[5]^2-2*g[1]*g[8], -g[1]*g[8]+g[2]*g[7], -g[1]*g[8]+g[3]*g[6]]:

> SgReduce2Basis(plist);
                                                 2      2
           [g[1] g[8], g[2] g[7], g[3] g[6], g[5] , g[4] ]

SEE ALSO: 
