"Source: Text/Group/GrpAtc.text";
"Line: 144";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Group/GrpAtc.text, line: 144
// Example: H84E1 ()
print "Example: H84E1";
ei := GetEchoInput();
SetEchoInput(true);
FG<a,b,c,d> := FreeGroup(4);
F := quo< FG | a^-1*b^-1*a*b=d^-1*c^-1*d*c>;
f, G := IsAutomaticGroup(F);
f;
G;
FG<a,b,c,d> := FreeGroup(4);
F := quo< FG | a^-1*b^-1*a*b=d^-1*c^-1*d*c>;
SetVerbose("KBMAG", 1);
f, G := IsAutomaticGroup(F);
G;
SetEchoInput(ei);
