Oops - I meant "on" the final outcome, of course - my fingers insist on reversing the order of letters, and sometimes I don't notice.
On 15 May 2015 at 12:39, LizR <[email protected]> wrote: > 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.
