Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/134885
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Type: Book chapter
Title: Relativity and the a-theory
Author: Eagle, A.
Citation: The Routledge Companion to Philosophy of Physics, 2021 / Knox, E., Wilson, A. (ed./s), Ch.7, pp.86-98
Publisher: Routledge
Publisher Place: USA
Issue Date: 2021
Series/Report no.: Routledge Philosophy Companions
ISBN: 1138653071
9781315623818
Editor: Knox, E.
Wilson, A.
Statement of
Responsibility: 
Antony Eagle
Abstract: The special theory of relativity (STR) is widely supposed to be in tension with theories of time which gives a special significance to the present moment. This chapter considers A-theoretic responses which accept STR, so far as it goes, but take it to be incomplete with respect to tensed facts. STR is a theory of the geometrical structure of space and time together: Minkowski spacetime. The theory postulates an underlying manifold of spacetime points. A model of STR yields a tenseless mosaic or manifold of all that happens and the spatiotemporal relations between these happenings. The A-theoretic picture of a wave of simultaneous happenings that sweeps through time, grounding tense in the four-dimensional manifold, is not straightforwardly compatible with STR, a tension dramatized by attempts to locate or impose a relation of absolute simultaneity on Minkowski spacetime. Conciliatory approaches trace the problems for the A-theory to the fact that each point of spacetime is part of many moments of time
Rights: © 2022 Taylor & Francis. The right of Eleanor Knox and Alastair Wilson to be identifed as the authors of the editorial material, and of the authors for their individual chapters, has been asserted in accordance with sections 77 and 78 of the Copyright, Designs and Patents Act 1988. All rights reserved.
DOI: 10.4324/9781315623818-11
Grant ID: http://purl.org/au-research/grants/arc/DP200100190
Published version: https://www.taylorfrancis.com/books/edit/10.4324/9781315623818/routledge-companion-philosophy-physics-eleanor-knox-alastair-wilson
Appears in Collections:Philosophy publications

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