In attempting to model how legal discretion is exercised, we have
previously discussed the notion of open texture and introduced
the notion of boundedness of legal domains. Through a series of
case studies we have noticed that an important factor has been
overlooked: namely whether the decisions made in a given
domain are binary. We develop a set of three criteria for
computer modeling of legal discretion and discuss the eight
octants that arise from the three-dimensional space formed by
these criteria.