"Source: Text/Geometry/ModAbVar.text";
"Line: 1542";
"Date: Fri Sep  9 15:10:23 2022";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Geometry/ModAbVar.text, line: 1542
// Example: H145E28 ()
print "Example: H145E28";
ei := GetEchoInput();
SetEchoInput(true);
A := JZero(11);
B := JZero(14);
A*B eq A*B;
assert $1;
A*B eq B*A;
assert not $1;
IsIsomorphic(A*B, B*A);
SetEchoInput(ei);
