On Tue, Feb 10, 2009 at 07:07:50PM -0800, Jack Mallah wrote:
> That actually doesn't matter - causation is defined in terms of 
> counterfactuals.  If - then, considering what happens at that moment of 
> saving the data.  If x=1 and y=1, and I copy the contents of x to z, that is 
> not the same causal relationship as if I had copied y to z.

But surely the counterfactuals are the same in each case too? In which
case it is the same causal relationship. We're talking computations
here, each computation will respond identically to the same
counterfactual input.


A/Prof Russell Standish                  Phone 0425 253119 (mobile)
UNSW SYDNEY 2052                         hpco...@hpcoders.com.au
Australia                                http://www.hpcoders.com.au

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