Animated Logical Graphs • 34

Re: Ontolog ForumJohn Sowa
Re: Peirce ListJohn Sowa

Dear John,

I can’t imagine why anyone would bother with Peirce’s logic if it’s just Frege and Russell in a different syntax, which has been the opinion I usually get from FOL fans.  But the fact is Peirce’s 1870 “Logic of Relatives” is already far in advance of anything we’d see again for a century, in principle in most places, in practice in many others, chock full of revolutionary ideas, not all of which he developed fully in subsequent work.  Although I studied the 1870 Logic from early on I did not realize how far ahead of its time it was until I began reading approaches to logic from category-theoretic and computation-theoretic angles in the 1970s and 1980s.  An indication of Peirce’s innovations can be found in the series of selections and commentary I started on the 1870 Logic of Relatives.

Here’s the work in progress so far on the OEIS Wiki.

Here’s the overview for a parallel series of blog posts.


cc: CyberneticsOntolog • Peirce (1) (2) (3) (4)Structural ModelingSystems Science

This entry was posted in Amphecks, Animata, Boolean Algebra, Boolean Functions, C.S. Peirce, Cactus Graphs, Constraint Satisfaction Problems, Deduction, Diagrammatic Reasoning, Duality, Equational Inference, Graph Theory, Laws of Form, Logic, Logical Graphs, Mathematics, Minimal Negation Operators, Model Theory, Painted Cacti, Peirce, Proof Theory, Propositional Calculus, Propositional Equation Reasoning Systems, Spencer Brown, Theorem Proving, Visualization and tagged , , , , , , , , , , , , , , , , , , , , , , , , , . Bookmark the permalink.

1 Response to Animated Logical Graphs • 34

  1. Pingback: Survey of Animated Logical Graphs • 3 | Inquiry Into Inquiry

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