Present physics elucidates the "motion" of an object as its trajectory through space-time. A precise understanding... requires a precise account of t… - Tim Maudlin

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Present physics elucidates the "motion" of an object as its trajectory through space-time. A precise understanding... requires a precise account of the structure of space-time. The nature of space-time itself... is the topic of the companion volume... Philosophy of Physics: Space and Time. The present volume addresses the question: What is matter? ...Our main task is to understand just what quantum theory claims about the nature of the material constituents of the world.