# Category Archives: Logic

## Riffs and Rotes • Happy New Year 2023

No information is lost by dropping the terminal 1s.  Thus we may write the following form. The article referenced below tells how forms like these correspond to a family of digraphs called riffs and a family of graphs called rotes.  … Continue reading

## Zeroth Law Of Semiotics • Discussion 4

Re: Zeroth Law Of Semiotics • All Liar, No Paradox Re: FB | Pattern Languages for Systemic Transformation • Esteban Trev JA: A statement asserts that a statement is a statement that is false. The statement violates an axiom of … Continue reading

## Zeroth Law Of Semiotics • Discussion 3

Re: Zeroth Law Of Semiotics • All Liar, No Paradox Re: FB | Charles S. Peirce Society • Kent Olson KO: The liar paradox is a self-referential paradox, yes? I think Russell answered these. Dear Kent, Russell had no inkling … Continue reading

## Survey of Differential Logic • 4

This is a Survey of blog and wiki posts on Differential Logic, material I plan to develop toward a more compact and systematic account. Elements Differential Propositional Calculus Part 1 • Part 2 • Appendices • References Differential Logic • … Continue reading

## Sign Relational Manifolds • Discussion 3

Re: FB | Paradoxology • Alex Shkotin   AS: I see — “sign relation” is a special term for triadic relations of some kind (with some properties);  like this:  thing in first position and thing in second position must refer … Continue reading

## Sign Relational Manifolds • Discussion 2

Re: FB | Paradoxology • Alex Shkotin   AS: Not on a narrow topic, but maybe you have a desire to answer. Hypothesis.  Any material something can be a sign. Is it possible to give an example of something material … Continue reading

## Sign Relational Manifolds • Discussion 1

Semiotic Orbits, Manifolds, Arcs The arc of the semiotic universe is long but it bends towards universal harmony. Re: FB | Semiotics, Books, Links, News • What’s at the End of a Chain of Interpretants? Semiotic manifolds, like physical and … Continue reading

## Sign Relational Manifolds • 5

Let me try to say in intuitive terms what I think is really going on here. The problem we face is as old as the problem of other minds, or intersubjectivity, or even commensurability, and it naturally involves a whole … Continue reading

## Sign Relational Manifolds • 4

Another set of notes I found on this theme strikes me as getting to the point more quickly and though they read a little rough in places I think it may be worth the effort to fill out their general … Continue reading

## Sign Relational Manifolds • 3

I’m not sure when it was I first noticed the relationship between manifolds and semiotics but I distinctly recall the passage in Serge Lang’s Differential and Riemannian Manifolds which brought the triadic character of tangent vectors into high relief.  I … Continue reading