c and
refined in parallel with the development of symbolic logic
to address problems about the nature of scientific reasoning.
Borrowing concepts from Aristotle, Peirce identified three
fundamental modes of reasoning, called deductive, inductive,
and abductive inference.  In rough terms, &quot;abduction&quot; is what
we use to generate a likely hypothesis or initial diagnosis in
response to a phenomenon of interest or a problem of concern,
while &quot;deduction&quot; is used to clarify and to derive relevan