On 28 Feb 2014, at 21:54, John Clark wrote:



On Fri, Feb 28, 2014 at 8:26 AM, Edgar L. Owen <[email protected]> wrote:

> information does need a substrate in which to manifest.

That seems to be the case but perhaps not at the very lowest level. The integers are abstract things that aren't made of anything except other numbers and once you describe how they interact with other mathematical objects you've said all there is to say about them. In the same way in string theory the strings aren't made of anything and they have reality only in how they interact with other strings; so perhaps at the fundamental level reality not only can be described mathematically but actually IS mathematical.

And that is a necessary consequence of computationalism, but this leads to the explicit problem of justifying physics from arithmetic or Turing equivalent. The math confirms this.

Bruno




On a completely different subject, are you Edgar Owen the antiquities dealer? If so you have a pretty cool job.

  John K Clark



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