**********************************
                       * PROLOG CROSS REFERENCE LISTING *
                       **********************************

                           FOCUSSING CROSS REFERENCE


PREDICATE               FILE          CALLED BY




acceptable/2            CLASSI        extra_rec/3 new_defn/3 pair_off/4 

add_ups/2               FOCUS         <user> focus/1 

append/3                utility       compare/4 discriminate/2 

apply/2                 utility       one_of/3 

best/2                  CLASSI        classify/6 

checklist/2             utility       continue/1 focus/1 grey/1 

classify/6              CLASSI        learn/3 

common/3                LEARN         common/3 discriminate/2 lub/2 

compare/4               CLASSI        extra_rec/3 new_defn/3 pair_off/4 

continue/1              FOCUS         continue/1 focus/1 

convert/2               MAKERC        <user> make_rec/5 

default/2               ARCH3.PRB     default_posn/2 

default_posn/2          CLASSI        extra_rec/3 new_defn/3 

definition/3            undefined     continue/1 grey/1 learn/3 

diff_to_defn/2          LEARN         <user> learn1/4 

discriminate/2          LEARN         NOT CALLED

discriminate_mess/4     LEARN         discriminate/2 

extra_rec/3             CLASSI        pair_off/4 

focus/1                 FOCUS         NOT CALLED

gen_list/3              MAKERC        gen_list/3 gen_term/3 make_rec/5 

gen_term/3              MAKERC        gen_list/3 

generalize_mess/4       LEARN         lub/2 

gensym/2                utility       <user> focus/1 

grey/1                  FOCUS         NOT CALLED

grey1/1                 FOCUS         <user> grey/1 

learn/3                 FOCUS         continue/1 

learn1/4                LEARN         learn/3 

lowest/4                CLASSI        best/2 lowest/4 

lub/2                   LEARN         <user> learn1/4 

make_diff/6             CLASSI        <user> classify/6 

make_rec/5              MAKERC        focus/1 learn/3 

maplist/3               utility       best/2 focus/1 learn1/4 make_rec/5 
                                      pair_off/4 score/2 

new_defn/3              CLASSI        <user> pair_off/4 

nth_el/3                MAKERC        nth_el/3 

one_of/3                LEARN         learn1/4 one_of/3 

pair_off/4              CLASSI        make_diff/6 pair_off/4 

perm/2                  utility       make_diff/6 

position/3              utility       convert/2 default_posn/2 
                                      discriminate_mess/4 generalize_mess/4 

same/1                  FOCUS         <user> continue/1 

score/2                 CLASSI        <user> best/2 

score1/2                CLASSI        <user> score/2 

second/2                MAKERC        <user> make_rec/5 

select/3                utility       pair_off/4 

space/2                 ARCH3.PRB     NOT CALLED

specimen/2              ARCH3.PRB     make_rec/5 

sumlist/2               utility       score/2 

tree/3                  ARCH3.PRB     convert/2 default_posn/2 
                                      discriminate_mess/4 generalize_mess/4 

union/3                 utility       gen_list/3 

writef/2                utility       best/2 continue/1 discriminate_mess/4 
                                      focus/1 generalize_mess/4 grey/1 learn/3 
                                      learn1/4