osed to present a simplification
of a complex reality, otherwise it would serve no function
over and above just staring at the data.  In gauging the
slippage between concept and data, the degree of tolerance
acceptable in a given situation is a matter of discretionary
judgments that have to be made under field conditions.

When it comes to automating abductive reasoning, we should
observe the historical circumstance that it is often the most
&quot;unlikely&quot; set of hypotheses that turn out to form the c