- #36
A. Neumaier
Science Advisor
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By showing how the results form the different choices are related to each other,Fra said:how doe we sensible _describe_ this objective invariants, without using the arbitrary choices?
providing in this way an observer-independent objectivity.
In my view, spacetime exists prior to everything. Whether something else has to be posited in the GUT or Planck era is pure speculation.Fra said:I had in mind times even before that, say GUT or Planck era, before we have a clear meaning of spacetime.
No. I use the well established standard model of quantum field theory, allowing for small unknown modifications to accomodate gravity. Unless I consider cosmology, where I can use any of the standard cosmological models. The foundations do not depend on the details.Fra said:you are just assuming that deterministic physical law is ruling things, but to identify WHICH law like is subject of fine tuning in a huge theory space.