"Source: Text/Commut/Ideal.text";
"Line: 2504";
"Date: Thu Sep 25 14:47:46 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Commut/Ideal.text, line: 2504
// Example: H116E17 ()
print "Example: H116E17";
ei := GetEchoInput();
SetEchoInput(true);
R<x, y> := PolynomialRing(Rationals(), 2);
S<r, u, v, w> := PolynomialRing(Rationals(), 4);
f := hom<S -> R |x^4, x^3*y, x*y^3, y^4>;
Implicitization(f);
SetEchoInput(ei);
