On Thu, Dec 20, 2018 at 9:33 AM Jason Resch <[email protected]> wrote:
> On Wed, Dec 19, 2018 at 4:18 PM Bruce Kellett <[email protected]> > wrote: > >> From: Jason Resch <[email protected]> >> >> On Wed, Dec 19, 2018 at 6:00 AM Bruce Kellett <[email protected]> >> wrote: >> >>> >>> Of course they differ: in one case you have a purely local concept of >>> the present; in the other case you require some global notion of a >>> "present", which cannot even be uniquely defined. >>> >>> >> What exists? >> >> A: *naive presentism*: only a 3-dimensional space evolving in time (some >> particular "slice" of spacetime exists, which constantly changes) >> B: *local-presents*: Events, each in their position in space time, each >> in their own present time >> C: *block-time*: Events, each in their position in space time >> >> We both agree relativity rules out A. But I struggle to see the >> difference between B and C (ontologically speaking), unless you are >> proposing the view that the only thing that exists is a single event (I >> don't think you are though). >> >> >> There are of the order of 10^80 protons in the visible universe. One does >> not confuse this fact by imagining that there is only one proton...... >> >> I think your problem with the ontology of the strictly local "present" is >> that you still have in you mind some notion of an absolute, external time, >> in which all these "presents" exist. Your description of "block time" in C >> above makes precisely this mistake. >> > > I am only asking what exists in your theory, given you reject the notion > of the present as a global space-like hyperplane. > The universe exists -- an infinity of present moments. Nothing exists timelessly because that is incoherent. Bruce -- 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 https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
