The Principle of computational equivalence is one of the main ideas proposed by Stephen Wolfram in his book A New Kind of Science.
The principle states that systems found in the natural world can perform computations up to a maximal ("universal") level of computational power . Most systems can attain this maximal level of computational power.
Systems, in principle, compute the same things as a computer. Computation is therefore simply a question of translating inputs and outputs from one system to another. Consequently, most systems are computationally equivalent . An example of this is the workings of the human brain; another is the evolution of weather systems.
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