Relations & Their Relatives • Discussion 20

Re: Information = Comprehension × Extension
Re: Category TheoryMorgan Rogers

MR:
Care to make any of this more precise?
[The above] formula, for example?

Yes, it will take some care to make it all more precise, and I’ve cared enough to work on it when I get a chance.  I initially came to Peirce’s 1865–1866 lectures in grad school from the direction of graph-&-group theory in connection with a 19th century device called a “table of marks”, out which a lot of work on group characters and group representations developed.

A table of marks for a transformation group (G, X) is an incidence matrix with 1 in the (g, x) cell if g fixes x and 0 otherwise.  I could see Peirce’s formula was based on a logical analogue of those incidence matrices so that gave me at least a little stable ground to inch forward on.

The development of Peirce’s information formula is discussed in my ongoing study notes, consisting of selections from Peirce’s 1865–1866 Lectures on the Logic of Science and my commentary on them.

cc: Category TheoryCyberneticsOntologStructural ModelingSystems Science
cc: FB | Relation TheoryLaws of Form • Peirce List (1) (2) (3)

This entry was posted in C.S. Peirce, Category Theory, Control, Cybernetics, Dyadic Relations, Information, Inquiry, Logic, Logic of Relatives, Mathematics, Peirce, Relation Theory, Semiosis, Semiotics, Sign Relations, Systems Theory, Triadic Relations and tagged , , , , , , , , , , , , , , , , . Bookmark the permalink.

1 Response to Relations & Their Relatives • Discussion 20

  1. Pingback: Survey of Relation Theory • 4 | Inquiry Into Inquiry

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