"Source: Text/LieTheory/Cartan.text";
"Line: 271";
"Date: Fri Sep 26 12:10:11 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/LieTheory/Cartan.text, line: 271
// Example: H105E5 ()
print "Example: H105E5";
ei := GetEchoInput();
SetEchoInput(true);
G := PathGraph(2);
IsSimplyLaced(G);
assert $1;
AssignLabel(G, 1,2, 6);
IsSimplyLaced(G);
assert not $1;
SetEchoInput(ei);
