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  1. hobbies([mary, [reading, sewing, boxing]]).
  2. hobbies([richard, [reading, swimming, gaming]]).
  3. hobbies([allen, [chess, scrabble]]).
  4. haveHobbies(X):-hobbies([X,HList]),HList\=[],!, write(X)->write('TRUE');write('FALSE').
  5.  
Success #stdin #stdout 0.02s 68352KB
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GNU Prolog 1.3.1
By Daniel Diaz
Copyright (C) 1999-2009 Daniel Diaz
https://ideone.com/uefQT
language:
Prolog (gprolog 1.4.5)
created:
14 years ago
visibility:
public

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