# family.py
def init(engine):
def son_of(son, father, mother):
engine.add_universal_fact('family', 'son_of', (son, father, mother))
son_of('art', 'art2', 'nana')
son_of('artie', 'art', 'kathleen')
son_of('ed', 'art', 'kathleen')
son_of('david', 'art', 'kathleen')
son_of('justin', 'artie', 'julie')
son_of('arthur', 'artie', 'lisa')
son_of('keith', 'ed', 'ann')
son_of('ramon', 'ed', 'ann')
son_of('cody', 'david', 'colleen')
|