  
  [1X17 [33X[0;0YGenerators and relators of groups[133X[101X
  
      │    [10XCayleyGraphOfGroupDisplay(G,X) [110X [10XCayleyGraphOfGroupDisplay(G,X,"mozilla") [110X   
      │ [10XIdentityAmongRelatorsDisplay(R,n) [110X [10XIdentityAmongRelatorsDisplay(R,n,"mozilla") [110X
      │                               [10XIsAspherical(F,R) [110X                               
      │                          [10XPresentationOfResolution(R) [110X                          
      │                        [10XTorsionGeneratorsAbelianGroup(G) [110X                       
  
