On 16 June 2014 08:16, meekerdb <[email protected]> wrote:

>  On 6/14/2014 11:42 PM, LizR wrote:
>
>  On 15 June 2014 01:54, <[email protected]> wrote:
>
>> I have not attempted to correlate my theory with the thinking of Plato and
>> Aristotle.  I would be happy to discuss this with you (my cell phone
>> number is 858-353-0997) or to consider your specific thoughts as to how
>> my
>> theory relates to the thinking of these fellows.
>>
>>  "Aristotelianism" is philosophical shorthand (so to speak) for theories
> which assume that matter/energy and space/time are "primitive", which means
> they cannot be explained by anything simpler. Aristotle thought that all
> that existed were "atoms and the void"
>
>
> No, although that's what Bruno implies.  Aristotle believed in substances
> which had inherent properties including teleological propensities (air
> rises, stone fall).  He denied that a vacuum was possible.  It was
> Democritus and Epicurus that hypothesized atoms and void.
>

Oh yes, you're quite right, it was too. But please bear in mind that the
point of this post is to explain to Mr Ross the Aristotle / Plato
distinction that gets bandied around on this forum. "Aristotelean" in this
context is just shorthand for "primitive materialism", as far as I know.

  which is still roughly what "materialist" scientists think (Brent may
disagree with this, but from what I've read this appears to be the tacit
assumption of the majority of physicists).

 I'd say "working hypothesis" - but why not? They're doing physics.
>
> Exactly my point. I don't know why you made such a fuss about saying they
didn't.

  The evidence for this view is mainly that it appears self-evidently true!

I think that's a very limited view.  It has only been "self-evident" for
> few hundred years - and only among a small segment of the world's
> population.  Even on this list some argue that there must be some extra
> magic in humans and they can't be *just* matter.
>

Yes, I meant specifically to physicists. Bear in mind this is supposed to
be a short summary for J Ross' benefit.

"Platonism" is shorthand for theories which assume that the universe is in
some sense a reflection of some hidden underlying 'perfect forms" - the
modern take on this, due to Max Tegmark and others, is that these perfect
forms are mathematical structures. I don't pretend to know what this would
mean in practice, although A. Garret Lisi
<http://en.wikipedia.org/wiki/Antony_Garrett_Lisi> attempted to produce a
TOE
<http://en.wikipedia.org/wiki/An_Exceptionally_Simple_Theory_of_Everything>based
on this idea (however, this hasn't stood up to scrutiny). Tegmark has
suggested that the evidence for this view is that over the last 500 or so
years, maths has been the "royal road to physical explanations" - there is
nothing in physics which isn't maths plus what he calls "surplus baggage" -
an interpretation of some underlying maths. Whether this has ontological
significance is still unknown.

 And it depends a lot on what you think about mathematics; whether it's
> just a precise and and strictly logical subset of language or whether it's
> really real ur-stuff.
>
> Yes, that's one way to rephrase what I just said. My only addition is that
if you think the former, then you should explain why it works so well. I'm
open to suggestions, of course, but so far Tegmark's MUH seems to be the
only one I've heard that seems to have any philosophical teeth.

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