At 18:12 11/01/05 -0500, John M quotes Russell Standish writing:
(if I am correct in the quotes).

4) For those who believe in Computationalism, the Turing model of
computation implicitly requires this Time postulate.

Here I disagree a lot. Actually most models of computation does no
require any Time Postulate. They need only Peano axioms of arithmetic.
Time-steps of computations are build from the successor function : n -> n+1
Reasoning on computations needs no more than the induction axioms (See
Podnieks page for the first order arithmetic axioms).
Even quantum computation does not (really) need time, but that is
a less obvious statement about which we can discuss later.

Bruno

http://iridia.ulb.ac.be/~marchal/

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