Cf: Relations & Their Relatives • Comment 2
https://inquiryintoinquiry.com/2021/08/05/relations-their-relatives-comment-2/
All,
Before I forget how I got myself into this particular briar patch — I mean the immediate occasion, not the long ago
straying from the beaten path — it was largely in discussions with Henry Story where he speaks of links between Peirce's
logical graphs and current thinking about string diagrams and bicategories of relations. Now that certainly sounds like
something I ought to get into, if not already witting or wit-not neck deep in it, but there are a few notes of
reservation I know I will eventually have to explain, so I've been working my way up to those.
First I need to set the stage for any properly Peircean discussion of logic and mathematics, and that is the context of
triadic sign relations. I know what you're thinking, “How can we talk about triadic sign relations before we have a
theory of relations in general?” The only way I know to answer that is by putting my programmer hard-hat on and taking
recourse in that practice which starts from the simplest thinkable species of a sort and builds its way back up to the
genus, step by step.
Resource
========
• Survey of Relation Theory
https://inquiryintoinquiry.com/2020/05/15/survey-of-relation-theory-4/
Regards,
Jon
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