base_pref               Base Preferences
base_pref_macros        Useful Base Preference Macros
complex_pref            Complex Preferences
general_pref            Utility Functions for Preferences
get_hasse_diag          Adjacency List of Hasse diagramm
plot_btg                Better-Than-Graphs
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 Preferences in Database Query Languages
