[peirce-l] RE: Peirce and Fuzzy Logic

[Irving Anellis]

Apropos the question of how and to what extent Peirce contributed to the historical background of fuzzy logic, and consideration of the nature of fuzzy logic as compared to muliple-valued logics, and Zadeh's work, you might want to look at my:

"Grandfather of Fuzzy Logic?", Modern Logic 4 (1994), 304-305;

and

Review of Bart Kosko, Fuzzy Thinking: The New Science of Fuzzy Logic and Daniel McNeill and Paul Freiberger, Fuzzy Logic, Modern Logic 5 (1995), 434-441.

----- Original Message -----
From: "Clark Goble" <[EMAIL PROTECTED]>
To: "Peirce Discussion Forum"
Subject: [peirce-l] RE: Peirce and Fuzzy Logic
Date: Wed, 19 Jul 2006 23:54:47 -0600

On Jul 19, 2006, at 11:08 PM, Michael J. DeLaurentis wrote:

Clark -- I can't do this justice since I'm leaving town shortly, but I'm

sure someone else will pick up on Peirce's Harvard lecture, in Reasoning and

the Logic of Things (RLT), on the logic of continuity, the chalk line on the

blackboard, and those indefinite, ontologically vague [in the sense that

"the boundary between the black and white is neither black, nor white, nor

neither, nor both. It is the pairedness of the two."] qualities, at spatial

and temporal boundaries of emergence, not unrelated to the very brief

exchange Joe and I had a week or so back on ontological/metaphysical

asymptotes, so to speak. The very fine introduction to RLT of Ketner and

Putnam spells it out fairly succinctly.  

Thank you so much.  I just placed an order for that collection.  I unfortunately only have the Essential Peirce at home.

Does he arrive at a scheme of fuzzy logic akin to Zadeh's?

That is, even from my readings I can see how Peirce's thought entails fuzzy logic.  Due to his doctrine of continuity and vagueness if nothing else.  I just wasn't aware how explicit he made this logically.

Clark

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Irving H. Anellis

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