"Source: Text/Geometry/ModAbVar.text";
"Line: 4358";
"Date: Fri Sep  9 15:10:23 2022";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Geometry/ModAbVar.text, line: 4358
// Example: H145E70 ()
print "Example: H145E70";
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);
