ansition defined as
property changing transitions may then <i>negate</i> these values.
<h4>Transforming Property</h4>
When processes are running some of the non numeric properties of an
object may be regarded as transforming from one value to another and
hence be inaccessible. For example in a logistics style domain a truck
while the process of <b>travelling</b> is running may transforming its
location property and that property may not be available for inspection
while the process is running. A state node 