On 2/3/2014 8:29 PM, ghib...@gmail.com wrote:
Liz - I was just thinking. If Newton's world predicted a variant of blocktime. What is that saying, given Newton's world wasn't correct? Or was it based some aspect that is correct? But is the sense that blocktime comes out of newton's world, compatible with relativity? Are both legitimate equivalent representations of the same consistent thing? Or is the Newton in fact no longer thought correct.
The block universe just means taking space+time to be a 4D manifold so that every point is labelled by four numbers that are smooth functions. It can be used to picture Newtonian dynamics, special relativity, general relativity, and other theories. It's just a way of designating events (t,x,y,z).
What does it mean if something that isn't correct gets blocktime?
There's no problem with false things implying true ones; in fact falsehoods imply everything.
Is that strengthening the case for blocktime or raising a doubt that it is objectively real, given it arises as an artefact of the same kind of interpretative activity on an edge of a theory?
Is it objectively real that we can label every point on the Earth's surface with a latitude and longitude?
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