On 6/30/2012 12:20 PM, Bruno Marchal wrote:


On 30 Jun 2012, at 18:44, Evgenii Rudnyi wrote:


I think that you have mentioned that mechanism is incompatible with materialism. How this follows then?

Because concerning computation and emulation (exact simulation) all universal system are equivalent.

Turing machine and Fortran programs are completely equivalent, you can emulate any Turing machine by a fortran program, and you can emulate any fortran program by a Turing machine.

More, you can write a fortran program emulating a universal Turing machine, and you can find a Turing machine running a Fortran universal interpreter (or compiler). This means that not only those system compute the same functions from N to N, but also that they can compute those function in the same manner of the other machine.

But the question is whether they 'compute' anything outside the context of a physical realization?

Brent

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