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fogus/seqs.prolog

Created March 9, 2011 20:40
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seqs.prolog
nthr(1, [X|_], X).
nthr(I, [_|Y], Z) :- N is I - 1,
nthr(N, Y, Z).
% :- nthr(3, [a,b,c], X).
% X = c ?
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