Unification through generalized proper time is a proposed unified theory of physics which holds that space and matter both arise from the one-dimensional flow of time. The theory contrasts with unification schemes including string theory and M-theory where matter fields arise from spatial dimensions additional to the three that we perceive. The theory proposes a theory of quantum gravity in which gravity is not quantized. General relativity emerges from the theory largely unmodified, while it is postulated that quantum field theory arises as a limiting case of the theory. In the theory, the characteristic feature of quantum mechanics, namely indeterminacy, arises through inherent degeneracy in the mapping between one dimensional time and matter fields embedded in four dimensional space time. it has been argued that this belief rests on metaphysical assumptions The theory offers a potential resolution to the measurement problem and other conceptual issues of quantum mechanics. According to the theory, the indeterminism of any interaction is a property of the entire physical arena, including setup of the measurement apparatus. However, it differs from the proposed Exceptionally Simple Theory of Everything and a subsequent proposal by Garrett Lisi in many respects, for example because according to the theory gravity is not embedded within E 8.<ref name="DJ3" />
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