On Tue, Dec 18, 2018 at 6:45 PM Bruce Kellett <[email protected]> wrote:
> On Wed, Dec 19, 2018 at 11:27 AM Jason Resch <[email protected]> wrote: > >> On Tue, Dec 18, 2018 at 6:05 PM Bruce Kellett <[email protected]> >> wrote: >> >>> On Wed, Dec 19, 2018 at 11:02 AM Jason Resch <[email protected]> >>> wrote: >>> >>>> On Tue, Dec 18, 2018 at 3:23 PM John Clark <[email protected]> >>>> wrote: >>>> >>>>> >>>>> Arithmetical computations don't change so there can't be a >>>>> correspondence between them and the evolution of spacetime or with >>>>> anything else that can change. >>>>> >>>> >>>> "y = 2x+1" defines the arithmetical relation of "oddness". >>>> >>>> Solutions to this equation yield (compute) for *y* all possible odd >>>> numbers. *y* changes with respect to increasing values of *x*, just >>>> as John Clark's brain changes with respect to increasing values of *t*. >>>> >>> >>> How does 'x' change? >>> >> >> With respect to y, and vice versa (like your brain state and your >> location in spacetime). >> > > Poor analogy. Change in the physical world is governed by dynamics, > described by equations with a veritable 't', called time. Time is probably > only a local phenomenon, but I do not see any 'time' variable in arithmetic. > It depends on the equation. > The analogy with the block universe idea is useless, because the block > universe idea is only a picture, not a reality. Special relativity merely > abolishes any notion of Newtonian absolute time, it does not prove that all > instants of time are equally and simultaneously existent. The whole notion > of simultaneity is abolished in relativity. Minkowski's block universe was > a response to this, but not a very good picture in the final analysis, > because it completely fails to capture the local dynamical aspect of the > time variable. > Did you read https://core.ac.uk/download/pdf/11921131.pdf ? What is your interpretation of the https://en.wikipedia.org/wiki/Rietdijk%E2%80%93Putnam_argument ? Do you agree in principal, that human experience of a dynamically evolving universe cannot be used to decide between block time and presentism? Jason -- 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.
