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umm I got another one for ya man... last_element(+List, -LastElement) Succeeds with LastElement equal to the last element of List. If List is not a list or is empty, it fails. last_element([X], X). last_element([_|T], X) :- last_element(T, X). any suggestions? :/

Thank you so much dude. I understand it way better now. It makes more sense than ever. I appreciate your time.

sum(+List, -Sum) Succeeds with Sum equal to the sum of all the entries on list. The empty list has sum 0, and if List is not a list of numeric values, sum fails or results in an error. It is nearly close but I got this so far... sum([], 0) :- !. sum(N, N) :- number(N), !. sum([H|T], N) :-...

ty haleen for help but can u explain a little bit for me please if thats not a problem.

is there a way for u to do it? I am clueless still. :/

I got that basically I know but what I mean is that I couldn't figure out how to do this basically.

sorry for the double post.

hey guys, I am currently a noob to swi-prolog. I've been trying to figure out bunch of things and I was working on some questions in the beginner book I bought... I got stuck on some of them. I hope to get some help in here since this is one of the best ones I found. remove_duplicates(+List...

hey guys, I am currently a noob to swi-prolog. I've been trying to figure out bunch of things and I was working on some questions in the beginner book I bought... I got stuck on some of them. I hope to get some help in here since this is one of the best ones I found. remove_duplicates(+List...