By KM
Published Jun 19
5 cards
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6.5.0 If someone is contained within a virtual-reality with the wrong laws of physics can they ever understand something beyond it?
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6.4.0 Turing claimed that there is a universal computer that can calculate any function that any mathematician can compute. Can there be stronger versions of this principle?
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6.3.0 One might get upset that our virtual-reality generator enterprise halted, but David perseveres with a new definition:
Since we cannot hope to render all logically possible environments, let us consider a weaker (but ultimately more interesting) sort of universality. Let us define a Universal virtual-reality generator as one whose repertoire contains that of every other physically possible virtual-reality generator. Can such a machine exist? — page 130
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6.2.0: “By considering various tricks - nerve stimulation, stopping and starting the brain, and so on - we have managed to envisage a physically possible virtual-reality generator whose repertoire covers the entire sensory range, is fully interactive, and is not constrained by the speed or memory capacity of its computer. Is there anything outside the repertoire of such a virtual-reality generator? Would its repertoire be the set of all logically possible environments?” — page 126
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6.1.0 How David addresses the speed and memory constraints of the virtual-reality machines?
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