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Material objects persist through time and survive change. How do they manage to do so? What are the underlying facts of persistence? Do objects persist by being 'wholly present' at all moments of time at which they exist? Or do they persist by having distinct 'temporal segments' confined to the corresponding times? Are objects threedimensional entities extended in space, but not in time? Or are they fourdimensional spacetime 'worms'? These are matters of intense debate, which is now driven by concerns about two major issues in fundamental ontology: parthood and location. It is in this context that broadly empirical considerations are increasingly brought to bear on the debate about persistence.Persistence and Spacetime pursues this empirically based approach to the questions. Yuri Balashov begins by setting out major rival views of persistence endurance, perdurance, and exdurance in a spacetime framework and proceeds to investigate the implications of Einstein's theory of relativity for the debate about persistence. His overall conclusion that relativistic considerations favour fourdimensionalism over threedimensionalism is hardly surprising. It is, however, anything but trivial. Contrary to a common misconception, there is no straightforward argument from relativity to fourdimensionalism. The issues involved are complex, and the debate is closely entangled with a number of other philosophical disputes, including those about the nature and ontology of time, parts and wholes, material constitution, causation and properties, and vagueness.
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This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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