'''Originally Posted By: ekaqu1028@gmail.comekaqu1028@gmail.com''' g(a,b). g(b,c). g(a,d). g(c,f). g(f,t). connected(X,Y) :- g(X,Y). connected(X,Z) :- g(X,Y), connected(Y,Z). This one works better than my last one. On Dec 14, 10:21 pm, "ekaqu something" wrote: > That example doesnt really work. Since you have . at the end of the