Rework the learning examples
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@@ -1,5 +1,4 @@
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/* base file for school database. Supposed to be called from school_*.yap */
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/* Base file for school database. Supposed to be called from school_*.yap */
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professor_key(Key) :-
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professor(Key).
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@@ -67,5 +66,3 @@ student_ranking(Key, Rank) :-
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:- ensure_loaded(tables).
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