On 27 Jul 2011, at 00:00, meekerdb wrote:
On 7/26/2011 1:48 PM, Bruno Marchal wrote:
I don't believe in a "granted" (primitive) cosmos, nor in any thing
primitively physical. Nor do I believe in their inexistence. I
heard only rumor. I am agnostic on that issue. But I don't believe
in the compatibility of such beliefs with comp.
Why not? ISTM your paper only shows that the world might be
arithmetical; not that it entails a contradiction both to say 'yes'
to the doctor and that there is primitive matter.
The work is supposed to show that comp ("yes doctor+Church thesis")
makes primitive matter, if it exists, having no relation at all with
what you can observe and measure. It makes matter equivalent with
invisible horses pulling cars. You need the usual weak version of
Occam, or simply rationalism, to get a contradiction. Such a matter,
in which you would continue to belief in despite betting on comp, is
not the "matter" as physicalist people are used to think about.
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