Brent Meeker wrote: > 1Z wrote: > > > > Brent Meeker wrote:
> > The underlying physics of the thing will tell youwhether > > it is capable of supporting countefactuals without > > running a programme at all. There is something objectively > > machine-like about machines -- complex , but predictable > > behaviour. > > But so far as we know all machines, all physical objects, are described > by quantum mechanics and therefore are subject to random variations, > i.e. they could have done otherwise. That applies to your PC. How often does it randomly crash ? > So I don't see how that helps in > distinguishing computation from noise. You can't tell the difference between doing something random once every day and doins something random billions of times a seconc ? > Are you thinking of abstract > computation - which of course can be deterministic if you rule out > randomness in the abstraction? we construct machines to rule out randomness within certain limits. > Brent Meeker --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Everything List" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/everything-list -~----------~----~----~----~------~----~------~--~---

