Emergent spacetime and empirical coherence

Abstract
Numerous approaches to a quantum theory of gravity posit fundamental ontologies that exclude spacetime, either partially or wholly. This situation raises deep questions about how such theories could relate to the empirical realm, since arguably only entities localized in spacetime can ever be observed. Are such entities even possible in a theory without fundamental spacetime? How might they be derived, formally speaking? Moreover, since by assumption the fundamental entities can't be smaller than the derived and so can't 'compose' them in any ordinary sense, would a formal derivation actually show the physical reality of localized entities? We address these questions via a survey of a range of theories of quantum gravity, and generally sketch how they may be answered positively
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DOI 10.1016/j.shpsb.2012.11.003
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References found in this work BETA
How to Define Theoretical Terms.David Lewis - 1970 - Journal of Philosophy 67 (13):427-446.
On the Emergence of Time in Quantum Gravity.Jeremy Butterfield & Chris Isham - 1999 - In The Arguments of Time. Published for the British Academy by Oxford University Press. pp. 111--168.
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Can Physics Coherently Deny the Reality of Time?Richard Healey - 2002 - Royal Institute of Philosophy Supplement 50:293-.

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Citations of this work BETA
No Categorial Support for Radical Ontic Structural Realism.Vincent Lam & Christian Wüthrich - 2014 - British Journal for the Philosophy of Science 66 (3):605-634.
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No Categorial Support for Radical Ontic Structural Realism.Vincent Lam & Christian Wüthrich - 2015 - British Journal for the Philosophy of Science 66 (3):605-634.
Deriving General Relativity From String Theory.Nick Huggett & Tiziana Vistarini - 2015 - Philosophy of Science 82 (5):1163-1174.
String Theory and the Scientific Method.Tiziana Vistarini - 2014 - International Studies in the Philosophy of Science 28 (1):108-111.

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