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trietptm/gist:4257005

Created December 11, 2012 08:36
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Find the K'th element of a list. The first element in the list is number 1.
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gistfile1.prolog
kth_element_of_list(X, [X|T], 1).
kth_element_of_list(X, [H|T], K) :- kth_element_of_list(X, T, K1), K is K1+1, K>1.
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