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  1.  
  2. % Fakta mahasiswa
  3. student(budi).
  4. student(sari).
  5. student(dewi).
  6.  
  7. % Fakta mata kuliah
  8. studies(budi, ai).
  9. studies(sari, ml).
  10. studies(dewi, ai).
  11.  
  12. % Fakta dosen
  13. teaches(media, ai).
  14. teaches(rahmadya, ml).
  15.  
  16. % Aturan inferensi
  17. taught_by(X, Z) :-
  18.     student(X),
  19.     studies(X, Y),
  20.     teaches(Z, Y).
  21.  
  22. program :-
  23.     taught_by(budi, Z),
  24.     write('Bapak / Ibu Dosen yang mengajar Budi adalah: '),
  25.     write(Z),
  26.     nl.
  27.  
  28.  
  29. % Program utama untuk Ideone
  30. % program :-
  31. %    taught_by(X, Z),
  32. %    write(X),
  33. %    write(' diajar oleh '),
  34. %    write(Z),
  35. %    nl,
  36. %    fail.
  37.  
  38. % program.
  39.  
Success #stdin #stdout #stderr 0.01s 5912KB
comments (?)
stdin 
?- taught_by(zainal, Z).
stdout 
Bapak / Ibu Dosen yang mengajar Budi adalah: media
stderr 
% halt
https://ideone.com/FYG3bo
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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