Another way of thinking about it: There are N nodes that loop back to themselves. When starting at a given node, what are the odds that you'll never hit one o

Another way of thinking about it: There are N nodes that loop back to themselves. When starting at a given node, what are the odds that you'll never hit one of these N nodes? Additionally, we know that many of the N nodes are very general ones, like "truth", under which many topics roll up.