The Magic-Set Transformed rules for the trip program:
trip(L,S,E):-leg(L,S,E). trip(L,S,E):-leg(L,S,I), trip(L,I,E). trip(L,S,E):-interchange(I,L,M), trip(L,S,I), trip(M,I,E). query(X):-trip(blue, suwanee, X). Adorned Rules: query_f(X):-trip_bbf(blue,suwanee,X). trip_bbf(L,S,E):-leg(L,S,E). trip_bbf(L,S,E):-leg(L,S,I), trip_bbf(L,I,E). trip_bbf(L,S,E):-interchange(I,L,M), trip_bbb(L,S,I), trip_bbf(M,I,E). trip_bbb(L,S,E):-leg(L,S,E). trip_bbb(L,S,E):-leg(L,S,I), trip_bbb(L,I,E). trip_bbb(L,S,E):-interchange(I,L,M), trip_bbb(L,S,I), trip_bbb(M,I,E). Magic Rules: magic_trip_bbf(blue,suwanee). magic_trip_bbf(L,I):-leg(L,S,I),magic_trip_bbf(L,S). magic_trip_bbb(L,S,I):-interchange(I,L,M),magic_trip_bbf(L,S). magic_trip_bbf(M,I):-interchange(I,L,M),magic_trip_bbf(L,S). magic_trip_bbb(L,I,E):-leg(L,S,I),magic_trip_bbb(L,S,E). magic_trip_bbb(L,S,I):-interchange(I,L,M),magic_trip_bbb(L,S,E). magic_trip_bbb(M,I,E):-interchange(I,L,M),magic_trip_bbb(L,S,E). Modified Adorned Rules: query_f(X):-trip_bbf(blue,suwanee,X). trip_bbf(L,S,E):-leg(L,S,E),magic_trip_bbf(L,S). trip_bbf(L,S,E):-leg(L,S,I), trip_bbf(L,I,E),magic_trip_bbf(L,S). trip_bbf(L,S,E):-interchange(I,L,M), trip_bbb(L,S,I), trip_bbf(M,I,E),magic_trip_bbf(L,S). trip_bbb(L,S,E):-leg(L,S,E),magic_trip_bbb(L,S,E). trip_bbb(L,S,E):-leg(L,S,I), trip_bbb(L,I,E),magic_trip_bbb(L,S,E). trip_bbb(L,S,E):-interchange(I,L,M), trip_bbb(L,S,I), trip_bbb(M,I,E),magic_trip_bbb(L,S,E). Output: Magic Rules + Modified Adorned Rules