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GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

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#Example: "5gp-SP-big-Rel-i" . . . based on: isom/large_5gp
#vars: F, rels, procId;
#options: OutputLevel, ClassBound, StandardPresentationFile
F := FreeGroup("a", "b", "c", "d");
rels := ["a * b^d", "c * d^a", "[c, a, a]", "[c, b, b, a]"];
procId := PqStart(F : Prime := 5, Relators := rels);
#comment: set a different print level by supplying <OutputLevel>
#add <OutputLevel> for <value> if set and ok
#PqSetOutputLevel(procId, value);;
PqSPComputePcpAndPCover(procId : ClassBound := 1);;
#comment: set a different `ClassBound' by supplying <ClassBound>
#comment: also save the presentation to a file by supplying <StandardPresentationFile>
PqSPStandardPresentation(procId, [ [[4,1],
                                    [4,0]],

                                   [[2,0],
                                    [0,1]] ]

                         : # options
#add <StandardPresentationFile> for <value> if set and ok
#                          StandardPresentationFile := value,
#sub <ClassBound> for <5> if set
                           ClassBound := 5);;