prolog-setof

I have the map of Romania from the Russell and Norvig book about artificial intelligence. I created links between the cities like this: link(oradea, zerind, 71). link(oradea, sibiu, 151). link(zerind, arad, 75). link(arad, sibiu, 140). link(arad, timisoara, 118). link(timisoara, lugoj,…