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Next: 2.31. EXERCISE: Finding Beliefs, Up: 2. BUILDING AND FINDING Previous: 2.29. EXERCISE: Finding Information,


2.30. Sets of Nodes

Instead of telling Cassie that Clyde is an elephant and that Dumbo is an elephant, we can tell Cassie that Clyde and Dumbo are elephants, using sets of nodes. Sets of nodes are denoted by lists of nodes; e.g., the set consisting of Clyde and Dumbo is represented in SNePSUL by (Clyde Dumbo) (UM§2.7). So let's reset the network, and tell Cassie what we had told her earlier:



William J. Rapaport 2003-09-22