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19 lines
409 B
19 lines
409 B
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Exercise 4.65: Cy D. Fect, looking forward to
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the day when he will rise in the organization, gives a query to find all the
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wheels (using the wheel rule of 4.4.1):
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(wheel ?who)
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To his surprise, the system responds
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;;; Query results:
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(wheel (Warbucks Oliver))
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(wheel (Bitdiddle Ben))
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(wheel (Warbucks Oliver))
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(wheel (Warbucks Oliver))
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(wheel (Warbucks Oliver))
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Why is Oliver Warbucks listed four times?
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