June Kim wrote: > Therefore, the knowledge base is represented as nested boxes. > Is this common in J, representing trees?
This is certainly a valid way of representing trees in J. There are many kinds of trees, and many ways of representing trees. For example, consider sample topic 20 (Directed Graphs) in the dictionary, or Oleg's http://www.jsoftware.com/jwiki/Essays/Dendrite or Roger's http://www.jsoftware.com/jwiki/Essays/Minimal_Spanning_Tree -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
