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5.1. Base Nodes: Introduction

If we want to tell Cassie about individuals that satisfy certain descriptions without giving those individuals a name, we can use base nodes (UM§§1.4, 2.7). These are nodes that have no outgoing arcs; i.e., they have no structural information. All that we know about them is what is asserted about them. (On the difference between structural and assertional information, see Woods 1975.) To get started,

William J. Rapaport 2003-09-22