# Re: Tegmark's New Book

```Der LizR,
```
```
On Thu, Jan 16, 2014 at 4:14 PM, LizR <lizj...@gmail.com> wrote:

> Hi Stephen,
>
> I have a 2c worth on block time, too :)
>
> On 17 January 2014 09:33, Stephen Paul King <stephe...@provensecure.com>wrote:
>
>> Dear Jason,
>> On Thu, Jan 16, 2014 at 3:07 PM, Jason Resch <jasonre...@gmail.com>wrote:
>>
>>>
>>> On Thu, Jan 16, 2014 at 12:07 PM, Stephen Paul King <
>>> stephe...@provensecure.com> wrote:
>>>
>>>> Dear Jason,
>>>>
>>>>    I do not think that block time is a coherent idea. It assumes
>>>> something impossible: that a unique foliation of space-time can be defined
>>>> that correlates to a specific experience of an entity that is said to be
>>>> embedded in the block.
>>>>
>>>
>>> It makes no claims that such a foliation must be unique, all possible
>>> foliations are equally valid, and correspond to the observed orderings of
>>> events from different reference frames.
>>>
>>
>> Each foliation would correspond to a set of trajectories and a light cone
>> structure, no? Time, defined as a ordering of events vanishes in such. I
>> get that.
>>
>
> The first part is right, but within a given foliation, there is an
> ordering of events. It's only when comparing foliations that you get
> different orders. (I believe this is called proper time or something?) Time
> doesn't vanish within a foliation.
>

Right, it doesn't vanish within a foliation, but if we add or integrate
them together it does. If i got the math right...

>
>>>
>>>> My argument is that the entire way that time is considered has problems
>>>> and both presentism and eternalism are not even wrong. Their definitions of
>>>> "existence" and "time" are wrong. Existence is not observable, only
>>>> properties are observable.
>>>>
>>>
>>> How can something have properties unless it exists?
>>>
>>
>> Existence is a priori -eternal-, properties are a posteriori - after the
>> fact of measurement.
>>
>
> Yes, this is the problem with the "ontological argument" (and probably
> with "Edgar's first postulate" too).
>

I am trying to use avoid the problem by using a ontological foundation that
is eternal, thus no absolute notions of "before" or "after". Neutral
existence, having no particular properties by having ALL properties.

>>>
>>>>  Time is not just an ordering of events that can be discovered after
>>>> the fact of the events, it is also a measure of the duration of process
>>>> that transforms one event into another.
>>>>
>>>
>>> In block time it is just a dimension.
>>>
>>
>> Not if there isn't a unique ordering of events in the Block!
>>
>
> There is a unique ordering along each observer's worldline, and a unique
> LOCATION for each event within the block. Foliations are slices thru the
> block at various angles, as I'm sure you know, and drawing a hyperplane
> thru a 4D manifold at different angles withh allow it to intersect the
> points within the block (events) in a different order. So the positions of
> events are unique, but we can construct foliations which "encounter" them
> in a different order. Since a foliation corresponds to a plane of
> simultaneity for a given observer, the observer will see events in the
> order defined by the foliation. (Another way to look at this which may be a
> bit more intuitive is that an observer sees events when they intersect his
> light cone, and different observers have different light cones, and hence
> may see events in a different order).
>

That is all correct, The point is that there is no prefered foliation, no
special narrative for all the events.

>
>>>
>>>>  Clocks do not measure time, they measure relative durations. Time is
>>>> not a direct observable quantity.
>>>>
>>>
>>> Just like space..
>>>
>>
>> right.
>>
>>>
>>>
>>>> If it was then it would be the canonical conjugate of energy.
>>>>
>>>
>>> How is time different from space in your view?
>>>
>>
>> Space has no possible canonical conjugate.
>>
>
> I thought momentum was space's cc, and energy was time's??? Or am I
> getting mixed up with something else?
>

You got it right.

>
>
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--

Kindest Regards,

Stephen Paul King

Senior Researcher

Mobile: (864) 567-3099

stephe...@provensecure.com

http://www.provensecure.us/

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