Category Archives: Peirce’s Categories

Peirce’s Categories • 2

Re: Peirce List • Jeffrey Brian Downard • Gary Richmond • John Collier According to Peirce, it is logic that draws on both mathematics and phenomenology. At any rate, Peirce takes the distinctive position that normative science, which includes logic, … Continue reading

Posted in Abstraction, C.S. Peirce, Category Theory, Dimensionality, Logic, Logic of Relatives, Mathematics, Peirce, Peirce's Categories, Phenomenology, Pragmatism, Relation Theory, Semiotics, Triadic Relations, Type Theory | Tagged , , , , , , , , , , , , , , | 12 Comments

Peirce’s Categories • 1

Re: Peirce List • Jeffrey Brian Downard Just from my experience, the best first approach to questions of firstness, secondness, thirdness, and so on is to regard k-ness as the property that all k-adic relations possess in common.  There is … Continue reading

Posted in Abstraction, C.S. Peirce, Category Theory, Dimensionality, Logic, Logic of Relatives, Mathematics, Peirce, Peirce's Categories, Phenomenology, Pragmatism, Relation Theory, Semiotics, Triadic Relations, Type Theory | Tagged , , , , , , , , , , , , , , | 10 Comments

Relations & Their Relatives • Discussion 3

Re: Peirce List • Edwina Taborsky • Howard Pattee In the best mathematical terms, a triadic relation is a cartesian product of three sets together with a specified subset of that cartesian product. Alternatively, one may think of a triadic … Continue reading

Posted in C.S. Peirce, Cartesian Product, Category Theory, Dyadic Relations, Logic, Logic of Relatives, Mathematics, Peirce's Categories, Relation Theory, Rheme, Semiotics, Set Theory, Sign Relations, Triadic Relations, Triadicity | Tagged , , , , , , , , , , , , , , | 13 Comments

Six Ways of Looking at a Triadic Relation ⌬ 1

A triadic relation and its converses form a set of triadic relations all together, six grammatically and rhetorically distinct ways of representing what is logically the same information.  Peirce illustrates the situation as follows, with six variations on the theme … Continue reading

Posted in C.S. Peirce, Logic, Logic of Relatives, Mathematics, Peirce, Peirce's Categories, Philosophy, Pragmatic Semiotic Information, Pragmatism, Relation Theory, Semiotics, Sign Relations, Thirdness, Triadic Relations, Triadicity | Tagged , , , , , , , , , , , , , , | 11 Comments

Precursors Of Category Theory • 3

Act only according to that maxim by which you can at the same time will that it should become a universal law. Immanuel Kant (1785) Precursors Of Category Theory Peirce Cued by Kant’s idea on the function of concepts in … Continue reading

Posted in Abstraction, Ackermann, Aristotle, C.S. Peirce, Carnap, Category Theory, Hilbert, Kant, Logic, Logic of Relatives, Mathematics, Peirce, Peirce's Categories, Relation Theory, Saunders Mac Lane, Sign Relations, Type Theory | Tagged , , , , , , , , , , , , , , , , | 8 Comments

Precursors Of Category Theory • 2

Thanks to art, instead of seeing one world only, our own, we see that world multiply itself and we have at our disposal as many worlds as there are original artists … ☙ Marcel Proust Precursors Of Category Theory When … Continue reading

Posted in Abstraction, Ackermann, Aristotle, C.S. Peirce, Carnap, Category Theory, Hilbert, Kant, Logic, Logic of Relatives, Mathematics, Peirce, Peirce's Categories, Relation Theory, Saunders Mac Lane, Sign Relations, Type Theory | Tagged , , , , , , , , , , , , , , , , | 6 Comments

Precursors Of Category Theory • 1

A few years back I began a sketch on the Precursors of Category Theory, aiming to trace the continuities of the category concept from Aristotle, thorough Kant and Peirce, Hilbert and Ackermann, to contemporary mathematical use.  Perhaps a few will … Continue reading

Posted in Abstraction, Ackermann, Aristotle, C.S. Peirce, Carnap, Category Theory, Hilbert, Kant, Logic, Logic of Relatives, Mathematics, Peirce, Peirce's Categories, Relation Theory, Saunders Mac Lane, Sign Relations, Type Theory | Tagged , , , , , , , , , , , , , , , , | 10 Comments

C.S. Peirce • The Reality of Thirdness

Selections from C.S. Peirce, “Lowell Lectures of 1903”, CP 1.343–349 343.   We may say that the bulk of what is actually done consists of Secondness — or better, Secondness is the predominant character of what has been done.  The immediate … Continue reading

Posted in C.S. Peirce, Comprehension, Inquiry, Intension, Intention, Intentionality, Logic, Meaning, Peirce, Peirce's Categories, Pragmatic Cosmos, Purpose, Reality, References, Semiotics, Sign Relations, Sources, Thirdness, Triadic Relations | Tagged , , , , , , , , , , , , , , , , , , | Leave a comment