On 9/21/2012 8:59 AM, Jason Resch wrote:
On Sep 21, 2012, at 8:13 AM, Rex Allen <rexallen31...@gmail.com
On Wed, Sep 19, 2012 at 12:27 AM, Jason Resch <jasonre...@gmail.com
On Sep 18, 2012, at 9:19 PM, Rex Allen <rexallen31...@gmail.com
On Mon, Sep 17, 2012 at 1:36 PM, Terren Suydam <terren.suy...@gmail.com
Do you have a non-platonist explanation for the "discovery" of the
Mandelbrot set and the infinite complexity therein?
I find fictionalism to be the most plausible view of mathematics, with all
implies for the Mandelbrot set.
But ;et me turn the question around on you, if I can:
Do you have an explanation for how we "discover" mathematical objects and
otherwise interact with the Platonic realm?
We study and create theories about objects in the mathematical realm just
study and create theories about objects in the physical realm.
So in the physical realm, we start from our senses - what we see, hear, feel,
From this, we infer the existence of electrons and wavefunctions and strings and
whatnot. Or some of us do. Others take a more instrumental view of scientific theories.
Right, and we have similarly inferred the existence of primes, fractals, non-computable
We invented counting, addition, etc and found it implied true propositions about primes,
fractals, etc. To say they exist in the same way tables and chairs exist is going much
So you're saying that "thought" is another kind of sense?
Thought is needed for inference and building theories, equally in the physical sciences
And that what occurs to us in thought can also be used as a basis to infer the
existence of objects which help "explain" those thoughts?
Right, like you might think up genesis and dualism, or big bang and materialism, or
platonic truth and computationalism. These are ontological theories for what exists,
and why we are here experiencing it.
If you say math is fiction and only exists only as a story in our brains, then obviously
you can't use platonic truth and computationalism as one if your theories of existence.
I think the fact that mathematics can serve as a theory for our existence shows
absolutely that mathematical theories and physical theories are on equal footing. We
can gather evidence for them and build cases for them, find out we were wrong about
them, and so on. Why do we believe in quarks, electrons, strings, etc.? Because they
can explain our observations. Why do I believe in the platonic realm? For the same
But we believe that electrons interact causally with us because we are made from
similar stuff - and by doing so make themselves known to us...right?
How do Platonic objects interact causally with us? Via a Platonic Field? PFT -
Platonic Field Theory?
How did the warping of space and time cause Einsteins brain to figure out
I think you are looking at it in the wrong way. Our brains seek good explanations. They
sometimes find one. That's all that is going on.
Now you say our explainations when it comes to mathematics are fiction, but if that is
so, why not say the same of the physical theories? Why not say the big bang is fiction,
or matter is fiction?
They are stories which we intend to have referents independent of the stories
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