is is not to say that these classifications do not make a good
starting point - again a fundamental point made repeated in my book. You
seem to have mis-interpreted me on this point. The issue is not whether one
starts with the classifications, which seems to me clear, but what we do
with them. If the answer is nothing, then I stand by what I said, one is
unlikely to add much that is of practical use.

When we first exchanged emails on this list I had a look at your work at the
pointers you gave me. It seem