"Source: Text/Geometry/ModAbVar.text";
"Line: 4358";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModAbVar.text, line: 4358
// Example: H148E70 ()
print "Example: H148E70";
ei := GetEchoInput();
SetEchoInput(true);
H := Hom(JZero(11),JZero(22));
phi := NaturalMap(JZero(22),JZero(33));
psi := NaturalMap(JZero(33),JZero(11));
Pullback(H,phi);
Pullback(psi,H);
Pullback(psi,H,phi);
SetEchoInput(ei);
