Bentham tries to show that on no useful classification of motives can one divide them into those which are always good or bad.

Stern's work is generally classified as postmodern, though a more useful classification would be a particular emphasis on context and the continuity of traditions.

A more detailed classification useful on a local scale predates plate tectonics and adds to the above categories.

This is useful classification because it leads to some solutions.

For purposes of biochemistry and pharmacology, this is the most useful classification.

This is the most useful classification, because both the signs and symptoms, and also the treatment are dependent upon the location of the fracture.

For example, assigning every object to the larger set achieves a high proportion of correct predictions, but is not generally a useful classification.

Towards a useful classification of learning objects.

However, it does provide a useful general classification of experiments.

Another useful classification is between progressive, proportional and regressive taxes.