Prolog - Sum up "positioned" elem in list

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Published on 2010-04-28T11:02:19Z Indexed on 2010/04/28 11:13 UTC
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Hi guys, any solution to this problem - given a list of numbers [1,2,3,4,5] write a Prolog program to sum up all the odd-positioned in this list ?

odd([1,2,3,4,5],Sum)

Sum = 9. (1+3+5)

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Prolog - Sum up "positioned" elem in list

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