"Source: Text/Group/GrpPC.text";
"Line: 1786";
"Date: Thu Apr  1 11:57:57 2021";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Group/GrpPC.text, line: 1786
// Example: H69E11 ()
print "Example: H69E11";
ei := GetEchoInput();
SetEchoInput(true);
set_product := func<G, H, K | { G | x * y : x in H, y in K }>;
elements := func<G, H | { G | x : x in H }>;
SetEchoInput(ei);
