how to define a graph by user in prolog

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Hi ...I'm writing a program to find an acyclic_path in a graph (the graph should be define by a person who runs the program...)
I know that the algorithm is in internet but I don't know how can I define a graph in prolog like this :
g([Vertex, ...],[e(Vertex1,Vertex3), ...])
I've found some links but at last I didn't understand what to do....
I'm a begginer in prolog and it's so hard to think in another way of programmin...plz help me!

Posted 27-Dec-12 11:06am

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Sergey Alexandrovich Kryukov 27-Dec-12 17:20pm

Hm... Just a note: Prolog is a pretty much purely declarative logical programming language. If you need some other features, such as the ability to define general data structures, or the features of imperative programming, it all highly depends on the particular implementation. So, the answer may depend on the implementation you use. What is it?
—SA

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**Zoltán Zörgő** · Answer 1 · 2012-12-27T11:53:00

Solution 1

I think here is all, that you need: https://sites.google.com/site/prologsite/prolog-problems/6[^]

Posted 27-Dec-12 11:53am

Zoltán Zörgő