# Category Archives: Boolean Algebra

## 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

## Differential Logic • Discussion 16

Re: Survey of Differential Logic • 3 Re: Laws of Form • Lyle Anderson LA: Thanks for posting this.  Particularly the Differential Logic and Dynamic Systems. It appears this is part of the trail to connecting Forms with Tensors.  Heim … Continue reading

## Charles Sanders Peirce, George Spencer Brown, and Me • 16

Re: Conceptual Graphs • Gary Zhu GZ: I’m quite confused on why people are interested in Laws of Form. What is LOF trying to do? Is it just rewriting logic or is there something more fundamental. e.g. a universal algebraic … Continue reading

## Logical Graphs, Iconicity, Interpretation • Discussion 2

Re: Logical Graphs, Iconicity, Interpretation • 2 Re: Laws of Form • John Mingers JM: The quote you have given does not match the standard Peircean trichotomy of icon, index, symbol.  See this quote from [CP 4.447 …] Dear John, I … Continue reading

## Logical Graphs, Iconicity, Interpretation • Discussion 1

Re: Logical Graphs, Iconicity, Interpretation • 1 Re: Laws of Form • John Mingers JM: I’m impressed that you have read Ricoeur — my impression is that Americans don’t have much time for Continental philosophy (a huge generalisation of course). … Continue reading

## Logical Graphs, Iconicity, Interpretation • 2

In the first place there are likenesses or copies — such as statues, pictures, emblems, hieroglyphics, and the like.  Such representations stand for their objects only so far as they have an actual resemblance to them — that is agree … Continue reading

## Logical Graphs, Iconicity, Interpretation • 1

If exegesis raised a hermeneutic problem, that is, a problem of interpretation, it is because every reading of a text always takes place within a community, a tradition, or a living current of thought, all of which display presuppositions and … Continue reading

## Differential Logic • Discussion 15

Re: Differential Logic • Comment 7 Re: Laws of Form • Lyle Anderson LA: Differentials and partial differentials over the real numbers work because one can pick two real numbers that are arbitrarily close to one another.  The difference between … Continue reading

## Differential Logic • Comment 7

Re: John Baez • Cyclic Identity for Partial Derivatives • Maxwell’s Relations (1) (2) (3) Much fun can be had by trying to do differentials and partial differentials over the boolean domain instead of the reals I took a first whack … Continue reading

## Animated Logical Graphs • 81

Re: R.J. Lipton and K.W. Regan • A Negative Comment On Negations Minsky and Papert’s Perceptrons was the work that nudged me over the line from gestalt psychology, psychophysics, relational biology, etc. and made me believe AI could fly.  I later … Continue reading