List,
 
as the basis for Peitce´s 66 sign classes are these trichotomies:
 
1st, According to the Mode of Apprehension of the Sign itself,
2nd, According to the Mode of Presentation of the Immediate Object,
3rd, According to the Mode of Being of the Dynamical Object,
4th, According to the Relation of the Sign to its Dynamical Object,
5th, According to the Mode of Presentation of the Immediate Interpretant,
6th, According to the Mode of Being of the Dynamical Interpretant,
7th, According to the Relation of the Sign to the Dynamical Interpretant,
8th, According to the Nature of the Normal Interpretant,
9th, According to the Relation of the Sign to the Normal Interpretant,
10th, According to the Triadic Relation of the Sign to its Dynamical Object and
to its Normal Interpretant.
(L463: 134, 150, EP2: 482-483)
 
,and Priscilla Borges´ order is different, it starts with the dynamical object.
my assumption is, that Peirce´s sequence works due to the mode of composition, and Priscilla Borges´ sequence works due to the mode of determination. Is that correct?
 
With "due to the mode of composition" I mean the categorial sequence 1-2-3, like, with three trichotomies "S-O-I", and with "due to the mode of determination" I mean the order in which one element determines the other, like in "D-S-O".
 
If "mode of composition" is not the best term, what would you (anyone) call it?
 
Best,
Helmut
 
 
 10. Mai 2020 um 16:42 Uhr
 "Bernard Morand" <[email protected]>
wrote:
Robert and list

I break the silence of retirement to thank you for your excellent proof
about the sign classes.

I like proofs by induction because their simplicity throw out
definitively any doubt off the subject matter.

Being given a chain of successive determinations of sign features, being
given the ordering of the three peircean phaneroscopic categories, the
number of the resulting classes of signs (as well as their affinities in
a lattice) is ipso facto known. Then the length of the sign features at
hand, be it 3 (triad) or 6 (hexad) or 10 enters as a parameter into the
calculation.

But I think that basing your proof on the properties of mathematical
category theory makes room to go a little bit further, namely passing
from what you call "protosigns" to the signs themselves. First we have
to fix the length and the succession of the Ai objects chain. As to the
length your paper makes me shift in opinion : 3, 6 or 10 is probably a
question of the required accuracy for the expected usage of the
generated sign classes (I was more inclined to think that it was a
doctrinal question before having seen it as a "parameter"). The method
of separating two categories in order to apply  functors from the one to
the other makes also things clearer I think.

Then, there remain the question that has bothered me for many years now
: what was the motive of Peirce for inventing what he called "My second
way of dividing signs" into 66 classes ? I remain convinced that he was
creating his own machine, a workbench, in order to test the sign theory
by means of the phanerons observed in the so called real world. And more
broadly the relevance of the three categories themselves.

This program has not yet been undertaken as far as I know. But your
work, Robert, makes it conceivable.

Thanks

Bernard

Le 09/05/2020 à 16:12, Jon Awbrey a écrit :
> This is sequence No. A000217 ( https://oeis.org/A000217 )
> in The On-Line Encyclopedia of Integer Sequences,
> N.J.A. Sloane (ed.), https://oeis.org/
> See: https://oeis.org/wiki/Welcome
>
> Regards,
>
> Jon
>
>

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