Cf: Peirce’s 1870 “Logic of Relatives” • Proto-Graphical Syntax
https://inquiryintoinquiry.com/2014/02/12/peirces-1870-logic-of-relatives-p…
Comment on Peirce’s 1870 “Logic of Relatives” • Proto-Graphical Syntax
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https://oeis.org/wiki/Peirce%27s_1870_Logic_Of_Relatives_%E2%80%A2_Part_1#C…
All,
It is clear from our last Selection that Peirce is already on
the verge of a graphical syntax for the logic of relative terms.
Indeed, it is likely he had already reached that point in his
own thinking some time before.
For instance, it seems quite impossible for a person with any graphical
sensitivity whatever to scan that last variation on “giver of a horse
to a lover of a woman” without drawing or at least imagining lines
of identity to connect the corresponding marks of reference,
as shown in the following Figure.
Figure 3. Giver of a Horse to a Lover of a Woman
https://inquiryintoinquiry.files.wordpress.com/2021/12/lor-1870-glwh.png
Regards,
Jon