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  1. num_between(X, Y, []) :- X > Y.
  2.  
  3. num_between(X, Y, [X|Tail]) :-
  4.     X =< Y
  5. ,   Next is X + 1
  6. ,   num_between(Next, Y, Tail).
  7.  
  8. :- num_between(8,15,A), write(A), nl.
Success #stdin #stdout #stderr 0.02s 6160KB
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Standard input is empty
stdout
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[8, 9, 10, 11, 12, 13, 14, 15]
stderr
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Prolog (swi 7.6.4)

					

					

						
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11 years ago

					

					

						
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