Re: C.S. Peirce and Category Theory • 2
Re: Category Theory • Henry Story • Avi Craimer • Henry Story

Dear Avi, Henry,

Diagrams are a mixed bag, a complex and polymorphic species, in Peircean semiotics.  All diagrams in common use, especially in mathematics, involve all three types of signs — Symbols, Icons, Indices — as interpreted by their user communities.  There has been a tendency in recent years to overemphasize the iconic aspects of Peirce’s logical graphs, reading them a bit too much on the analogy of venn diagrams, but their real conceptual and computational power comes rather from their generic symbolic character.

Here’s an intro to Sign Relations from a Peircean point of view, still a bit “working on it” from my POV.

• Sign Relations

Here’s the skinny on the three main types of signs — Symbols, Icons, Indices — in Peirce’s theory of signs.

• Semeiotic • Types of Signs

cc: Category Theory • Cybernetics • Ontolog • Structural Modeling • Systems Science
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