On 14 May 2015 at 14:40, Russell Standish <[email protected]> wrote:
> > The "physical system" refers to all parallel instantiations of an > object ISTM. > > If I refer to a photon travelling through a ZM apparatus (to fix > things - you know two half silvered mirrors, so the photons are split > and travel over two spatially disinct paths before being recombined), > we don't have two different physical systems in play. Its just > the one physical system, even though it occupies two distinct universes. > The difference is that the photons *can* recombine, hence their states in different branches have a physical influence no the final outcome. But the processes leading to conciousness can't, normally, reconmbine, because brain-stuff decoheres far more rapidly than the timescales on which consciousness takes place. Hence counterfactuals aren't involved in consciousness, at least not ifwe assume consciousness supervenes on a physical system obeying QM. -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
