dragonwasrobot / learn-prolog-now-exercises

My solutions to the exercises and practical sessions of the book 'Learn Prolog Now!' by Patrick Blackburn, Johan Bos, and Kristina Striegnitz.
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Fix practice 11.1 so it properly recognizes subsets #27

Closed ghost closed 8 years ago

ghost commented 8 years ago

Previously the answer to subset([c, b], [a, b, c]). was false..