Russell said... > In answer to the original question, I would conjecture that an > evolutionary process is the only process capable of generating > complexity. Since we need a certain amount of complexity to be > conscious, it follows that the simplest universes are ensembles of > possibilities, on which anthropic selection acts to generate the > needed complexity. Ensemble universes can only evolve by reversible > processes - otherwise possibilities are irretrievably lost over time.
Do you think in terms of an ensemble of Turing machines, of which only a few emulate reversible processes? So do we have an irreversible computation on a Turing machine emulating a reversible computation for the universe emulating a brain doing an irreversible computation? - David
