c.  I also make
| a historical review of all the definitions and conceptions of logic,
| and show, not merely that my definition is no novelty, but that my
| non-psychological conception of logic has 'virtually' been quite
| generally held, though not generally recognized.  (Peirce, NEM 4, 21).

A placement and appreciation of this theory in a philosophical context
that extends from Aristotle's early treatise 'On Interpretation' through
John Dewey's later elaborations and applications (Dewey, 1910, 1929, 19