On the invariance and intrinsicality of four-dimensional shapes in Special Relativity

Analysis 74 (4):608-612 (2014)
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Are shapes of objects intrinsic to them? The issue has been intensely debated. Special relativity (SR) adds a new dimension to it by relativizing three-dimensional (3D) shapes not just to times, but to times-in-frames. Arguably, however, such relativized spatial shapes are mere perspectival representations of an invariant, hence intrinsic, four-dimensional (4D) shape of an object in Minkowski spacetime. In a recent note, Matthew Davidson questions the intrinsicality of 4D shapes in SR. I show that his conclusion and the reasoning behind it are in error



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Yuri Balashov
University of Georgia

Citations of this work

Location and Mereology.Cody Gilmore - 2013 - Stanford Encyclopedia of Philosophy.
Temporal Parts.Katherine Hawley - 2004/2010 - Stanford Encylopedia of Philosophy.
The Relativistic Invariance of 4D Shapes.Claudio Calosi - 2015 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 50:1-4.

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