Hi Alex and Henrik,

Thanks a lot, both of you! I'll keep playing with pilog.

The URL to the book I mentioned got some junk at the end. The correct URL is:


On 17-12-13 06:56 , Alexander Burger wrote:
Hi Jon,

author(Person) :-
wrote(Person, Book).
pilog. The rule says that "Person is an author if there is a book Book and
Person wrote Book." Can pilog express rules like this?
It should be like

    (be author (@Person)
       (book @Book)
       (wrote @Person @Book) )

♪♫ Alex

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