Supplement: I did not want to question your view, perhaps both views/models are justified, one is objective, and one subjective. Would it be interesting to draw Venn diagrams and EGs about the triads possible/existent/necessitant, 1ns/2ns/3ns, immediate/dynamic/final, and others?
Best, Helmut
Jon, List,
The possibility of the immediate object (similar with the immediate interpretant) you describe is a relation between the sign and the world, mathematically correct, I assume: The subset of all tuples of sign-elements and world-elements (s,w), for which is valid "s may denote w". But