2.27. Finding Information using SNePSUL Variables

We can also ask Cassie to find nodes that are described a bit more vaguely. E.g., we could ask her to find all nodes that have a class arc to elephant and a member arc to anything. This is done by using SNePSUL variables that range over nodes, indicated by a question mark (UM§2.11):

Evaluate:

(find member ?x class elephant)