"Source: Text/Group/GrpAb.text";
"Line: 118";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Group/GrpAb.text, line: 118
// Example: H77E2 ()
print "Example: H77E2";
ei := GetEchoInput();
SetEchoInput(true);
F<x, y> := FreeAbelianGroup(2);
rels := { 2*x = 3*y, 4*x + 4*y = Id(F)} ;
r := 2*x = 3*y;
r := LHS(r) = 4*y;
SetEchoInput(ei);
