x_F5:= FiniteField(5);; x_F5x:= PolynomialAlgebra(x_F5);; x_f:= x_F5x.1^2+2;; x_PR:= PowerSeriesRing(x_F5,x_f);; x_PRx:= PolynomialAlgebra(x_PR);; x_PR2:= PowerSeriesRing(x_F5);; x_PR2x:= PolynomialAlgebra(x_PR2);; x_x:= x_PR2x.1;; x_a:= Element(x_PR2,[0,2,3]);; xx_f:= x_x^2+x_a;; x_g:= Coerce(x_PRx,xx_f);