s question more
explicit, and, at the same time, to accord the benefit of certain doubts
to &quot;nominal thinkers&quot;, that is, to those who ordinarily call themselves by
the name of &quot;nominalists&quot;, the question can be rephrased in the following way:

(1c)  Does the sign &quot;inquiry&quot; denote an object that can be inquired into
      with any hope of success?

The next question, that follows all but immediately upon the first, is this:

(2a)  What is a true theory of inquiry?

To ask the qu