base_pref               Base preferences
base_pref_macros        Useful base preference macros
complex_pref            Complex preferences
get_btg                 Better-Than-Graph
get_hasse_diag          Adjacency list of Hasse diagramm
plot_front              Pareto Front Plot
pred_succ               Predecessor and successor functions
psel                    Preference selection
rPref                   Summary of the rPref package
show.pref               Partial evaluation and string output of
                        preferences
show.query              Show preference in usual Query Languages
