Hi all,
The logfile below shows a small bug in gap3r4p3 (and probably earlier
versions), and a way around this bug.
Regards, Leonard.
gap> F:=FreeGroup(0);
Group( IdWord )
gap> Size(F);
1
gap> PresentationFpGroup(F);
Error, Record: element 'relators' must have an assigned value at
grels := G.relators ... in
PresentationFpGroup( F ) called from
main loop
brk> quit;
gap> PresentationFpGroup(F/[]);
<< presentation with 0 gens and 0 rels of total length 0 >>
gap> quit;