"Source: Text/Group/GrpAtc.text";
"Line: 1493";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Group/GrpAtc.text, line: 1493
// Example: H84E16 ()
print "Example: H84E16";
ei := GetEchoInput();
SetEchoInput(true);
F<a, b>:= FreeGroup(2);
ish:= IsHyperbolic(F, [], [a^2, b^3, (a*b)^7]);
ish;
red:= [b^3];
green:= [a^2, (a*b)^7];
ish, dehn := IsHyperbolic(F, red, green);
ish, dehn;
SetEchoInput(ei);
