ok, Michael. but my question was----
What is the difference between constraints and affordances and semiotic
potentials?
Email is a slow, narrow band width medium!! (As is my aging brain!)
mike
On 1/20/06, Wolff-Michael Roth <mroth@uvic.ca> wrote:
>
> Hi Mike,
> constitutive parts of an activity system are identical non-
> identities, therefore true differences, and therefore inherently lead
> to indeterminacy. All the stuff and more that we find in the triangle
> are of that nature; we find here qualitative change, discontinuity
> Causation, determinacy, is the relation of external aspects, which
> are (Hegel) indifferent to one another.
> In Marx, quantity changes into quality; but as Holzkamp shows,
> there
> need to be two types of quantitative changes to lead to a qualitative
> change, that is, one dominant life form into another.
> Mediation is exactly needed when causation is no longer operable.
> Michael
>
>
>
> On 20-Jan-06, at 4:37 PM, Mike Cole wrote:
>
> Phew, this is hard to keep up with!
> What is the difference between constraints and affordances and semiotic
> potentials?
> Lost in this music
> mike
>
> On 1/20/06, Wolff-Michael Roth <mroth@uvic.ca> wrote:
> >
> > Bill,
> > Even in social science you got to get your relations right.
> > Categories are inherently different. They can therefore not be used
> > to establish a causal relation, which is framed generally in a form:
> >
> >
> > E = kC
> >
> > where the equal sign already intimates that E and C are commensurable.
> >
> > or perhaps more generally, causation is expressed from a
> > philosophical perspective as
> >
> >
> >
> > $B"O(Bx(Fx $B"*(BGx)
> >
> > where events of type F are followed by events of type G.
> >
> > Otherwise we get ourselves into a quagmire. It makes no sense to
> > establish a causation between a teacher saying something and student
> > killing her (like Columbine).
> >
> >
> > Michael
> >
> >
> >
> >
> > On 20-Jan-06, at 4:07 PM, bb wrote:
> >
> > We're doing social science, Michael, not physical science.
> >
> > bb
> > -------------- Original message ----------------------
> > From: Wolff-Michael Roth <mroth@uvic.ca>
> >> Hi Bill,
> >>
> >> This doesn't stick. Look at any accepted use of cause and effect in
> >> the science and scientific literature. It always establishes a
> >> relationship between two or more factors, and this in quantitative
> >> way.
> >>
> >> My ouch is not caused by your sticking, because there are lots of
> >> stickings that do not lead to saying ouch. If you want to use this as
> >> an example, then you relate the force of sticking or the depth of
> >> penetration to the intensity of the pain. And then you have exactly
> >> what I am talking about.
> >>
> >> The other is folk science.
> >>
> >> Michael
> >>
> >>
> >>
> >>
> >> On 20-Jan-06, at 2:50 PM, bb wrote:
> >>
> >>
> >>
> >>
> >>>
> >>> Hi all,
> >>> it is easy to slip into a discourse that separates tools and
> >>> artifacts from other things, which happens here, too. We then think
> >>> in terms of "effects" that one thing has on another--but effects
> >>> imply causal relations, which are quantitative rather than
> >>> qualitative, which they need to be if they mediate. . .
> >>
> >>
> >> Oh, cause and effect are not strictly quantitative. Engage in this
> >> thought experiment. Suppose I stick you with a pin and you say
> >> "ouch". The action of sticking with a pin is arguably the cause of
> >> the action of uttering "ouch", and there is no quantitative relation
> >> necessary, unless perhaps I repeat with needles of increasing size.
> >>
> >> cheers,
> >> bb
> >>
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