====================================== MODERATOR'S COMMENT:

Really stretching the topic, but permitted for now.

Agreed. I'm going to dismiss it. Eternalism is irrelevant because it is not
observable. Ergo falls into all the other "speculative fictions" such as t
hose who like to speculate about what existed before the big bang, what exi
sts at the singularity of a black hole, etc.

Time as a spatial dimension fails for me because you cannot freely travel a
cross it in any "direction". In fact an argument can be made that time does
n't really exist, outside of a perceptive measurement. Therefore it has no
physical reality beyond that which we (humans) give it. Any more so than do
es an "inch", or "centimeter".

Heisenberg put the nail in the coffin of determinism with the Uncertainty P
rinciple. Otherwise, if we could somehow "know" the per-determined course o
f the Universe, we ought to be able to harness "free-energy" machines by ma
king use of that knowledge. If the per-determined universe is not observabl
e (i.e. is unknowable), then we are back at square one and speculative fict
ion. QED.


======================================= MODERATOR'S COMMENT:
Thanks. I will continue to keep this topic on a tight leash, but this seems to be relevant.