# Monthly Archives: March 2015

## Relations & Their Relatives • Discussion 5

Re: Peirce List • Howard Pattee At this point we can distinguish two forms of decomposability or reducibility — along with their corresponding negations, indecomposability or irreducibility – that commonly arise. Reducibility under relational composition All triadic relations are irreducible … Continue reading

## Relations & Their Relatives • Discussion 4

Re: Peirce List Discussion • Howard Pattee We use this or that species of diagrams to represent a fraction of the properties, hardly ever all the properties, of the objects in an object domain.  The diagrams that Peirce developed to … Continue reading

## Animated Logical Graphs • 6

Re: Peirce List Discussion • Jim Willgoose At root we are dealing with a genre of very abstract formal systems.  They have grammars that determine their well-formed expressions and rules that determine the permissible transformations among expressions, but they lack … Continue reading

## Peirce’s 1880 “Algebra Of Logic” Chapter 3 • Selection 8

Chapter 3. The Logic of Relatives (cont.) §4. Classification of Relatives (cont.) 227.   These different classes have the following relations.  Every negative of a concurrent and every alio-relative is both an opponent and the negative of a self-relative.  Every … Continue reading

## Scientific Attitude : 1

There is an outlook on the world that I call the Scientific Attitude (SA).  There are times when the “A” is better served by apperception, approach, or attunement, but attitude will do for a start. The scientific attitude accepts appearances, … Continue reading

## Relations & Their Relatives • Discussion 3

Re: Peirce List Discussion • 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 … Continue reading

## Relations & Their Relatives • Discussion 2

Re: Peirce List • Helmut Raulien In systems theory and engineering there is a well-recognized duality or complementarity between the dimensions of Control and Information, frequently cast in terms of action and perception, actuators and detectors, effectors and sensors, and … Continue reading