I found this talk.origins thread by sheer accident. I hope some
people in t.o. are still aware of it. I've added two philosophy
newsgroups, the better of which is almost extinct.
On Jan 30, 2:04 pm, UC <
uraniumcommit...@yahoo.com> wrote:
> On Jan 30, 12:53 pm, backspace <
stephan...@gmail.com> wrote:
> >
http://www.reasonablefaith.org/site/News2?page=NewsArticle&id=9229
>
> > ''.........Organisms which are not sentient, that is, have no mental
> > life, display at most Level 1 reactions. Insects, worms, and other
> > invertebrates react to noxious stimuli but lack the neurological
> > capacity to feel pain. Their avoidance behavior obviously has a
> > selective advantage in the struggle for survival and so is built into
> > them by natural selection ....... ''
>
> > rephrase:
> > Their avoidance behavior obviously has a selective advantage in the
> > struggle for survival and so is built into them by natural selection .
>
> > rephrase:
> > Their behavior has an *obvious* selective advantage .... and so is
> > built into them by natural selection ....... ''
>
> > rephrase:
> > Their behavior has an *obvious* preservation(selective) advantage ....
> > and so is built into them by natural selection ....... ''
>
> > rephrase:
> > Their behavior has an *obvious* advantage .... and so is built into
> > them by a coo-coo-clock ....... ''
>
> > finally:
> > Their behavior has an *obvious* advantage .... and so is built into
> > them ....... ''
>
> > 'has an *obvious* advantage' and 'built into them' allude to the same
> > fact , saying the same thing twice and thus guarantees the truth of
> > the proposition, making it a rhetorical tautology. Especially the term
> > *obvious*, facts such as what happens, happens are obvious, so are the
> > tautological fact A or not-A. Explanations which are *obvious* aren't
> > therefore falsifiable theories. Newtons inverse square law isn't
> > obvious, it isn't a fact, but a falsifiable theory .
>
> Try this:
>
> ''.........Organisms which are not sentient, that is, have no mental
> life, display at most Level 1 reactions. Insects, worms, and other
> invertebrates react to noxious stimuli but lack the neurological
> capacity to feel pain. Their avoidance behavior obviously has a
> selective advantage in the struggle for survival and so it must
> have been built into them by natural selection ....... ''
But now for the incredible leap that you and everyone else on this
thread seems to be avoiding: how did pain get to correspond to
noxious stimuli that need to be avoided, if pain is a purely passive
sensation and has no effect on avoidance?
In other words, what stops all organisms from having natural selection
build in avoidance of harmful stimuli that produce pleasurable
sensations, and build in attraction to beneficial stimuli that produce
unpleasant sensations?
[Yes, we humans do experience such strange reverses, but fortunately
they are comparatively rare.]
Peter Nyikos
Professor, Dept. of Mathematics -- standard disclaimer--
University of South Carolina
http://www.math.sc.edu/~nyikos/
nyikos @
math.sc.edu