# Category Archives: Topology

## Differential Logic • Discussion 6

Re: Differential Logic • 5 Re: Laws of Form • Lyle Anderson JA: The differential proposition may be read as saying “change or change or both”.  And this can be recognized as just what you need to do if you … Continue reading

## Differential Logic • Discussion 5

Re: Differential Logic • Discussion 4 Re: Laws of Form • Lyle Anderson JA: The differential proposition is one we use to describe a change of state (or a state of change) from to or the reverse. LA: Does this … Continue reading

## Differential Logic • Discussion 4

Re: Differential Logic • 2 Re: Peirce List • Mauro Bertani MB: About Lobe Connective and Node Connective and their consequences, I have a question: You say that genus and species are evaluated by the proposition The following proposition would … Continue reading

## Survey of Differential Logic • 3

This is a Survey of blog and wiki posts on Differential Logic, material I plan to develop toward a more compact and systematic account. Note.  I am finding one effect of the pandemic has been been to blot out my … Continue reading

## Charles Sanders Peirce, George Spencer Brown, and Me • 15

Re: C.S. Peirce, Spencer Brown, and Me • 11 Re: Ontolog Forum • Michael DeBellis MDB: I’ve just started taking Peirce seriously in the last year or so and some of his more complex ideas still aren’t completely clear to … Continue reading

## Charles Sanders Peirce, George Spencer Brown, and Me • 14

Re: C.S. Peirce, Spencer Brown, and Me • 11 Re: Laws of Form • Dirk Baecker DB: Watzlawick’s request for a pragmatic calculus of communication up to now was never appropriately answered.  W. Barnett Pearce and Vernon E. Cronen (Communication, … Continue reading

## Charles Sanders Peirce, George Spencer Brown, and Me • 13

Re: Laws of Form • Dirk Baecker DB: I guess you know Fernando Zalamea’s work on Peirce.  He thinks that all of GSB’s important ideas are already in Peirce’s Existential Graphs. I think he may be right, but then there … Continue reading

## Charles Sanders Peirce, George Spencer Brown, and Me • 12

Re: Laws of Form • Dirk Baecker DB: Thanks to James Bowery for inviting me to this group.  Maybe it is not exactly what I am looking for, since I am interested in a sociological reading of LoF.  Which means … Continue reading

## Charles Sanders Peirce, George Spencer Brown, and Me • 11

There’s a new Laws of Form group in town.  James Bowery et al. have just revived the earlier group on a new platform and everything looks pretty handy so far.  There’s an honest-to-goodness 60s vibe about it for me since … Continue reading

## Differential Logic • Discussion 3

Re: R.J. Lipton • P<NP Instead of boolean circuit complexity I would look at logical graph complexity, where those logical graphs are constructed from minimal negation operators. Physics once had a frame problem (complexity of dynamic updating) long before AI … Continue reading