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:
<http://www.mtome.com/Publications/PNLA/prolog-digital.pdf>
/Jon
On 17-12-13 06:56 , Alexander Burger wrote:
Hi Jon,
author(Person) :-
book(Book),
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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