Algorithms 2010, 3(4), 329-350; doi:10.3390/a3040329
Article

A Complete Theory of Everything (Will Be Subjective)

SoCS, RSISE, IAS, CECS, Australian National University, Canberra, ACT, 0200, Australia
Received: 30 August 2010; Accepted: 22 September 2010 / Published: 29 September 2010
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Abstract: Increasingly encompassing models have been suggested for our world. Theories range from generally accepted to increasingly speculative to apparently bogus. The progression of theories from ego- to geo- to helio-centric models to universe and multiverse theories and beyond was accompanied by a dramatic increase in the sizes of the postulated worlds, with humans being expelled from their center to ever more remote and random locations. Rather than leading to a true theory of everything, this trend faces a turning point after which the predictive power of such theories decreases (actually to zero). Incorporating the location and other capacities of the observer into such theories avoids this problem and allows to distinguish meaningful from predictively meaningless theories. This also leads to a truly complete theory of everything consisting of a (conventional objective) theory of everything plus a (novel subjective) observer process. The observer localization is neither based on the controversial anthropic principle, nor has it anything to do with the quantum-mechanical observation process. The suggested principle is extended to more practical (partial, approximate, probabilistic, parametric) world models (rather than theories of everything). Finally, I provide a justification of Ockham’s razor, and criticize the anthropic principle, the doomsday argument, the no free lunch theorem, and the falsifiability dogma.
Keywords: world models; observer localization; predictive power; Ockham’s razor; universal theories; inductive reasoning; simplicity and complexity; universal self-sampling; no-free-lunch; computability

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MDPI and ACS Style

Hutter, M. A Complete Theory of Everything (Will Be Subjective). Algorithms 2010, 3, 329-350.

AMA Style

Hutter M. A Complete Theory of Everything (Will Be Subjective). Algorithms. 2010; 3(4):329-350.

Chicago/Turabian Style

Hutter, Marcus. 2010. "A Complete Theory of Everything (Will Be Subjective)." Algorithms 3, no. 4: 329-350.

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