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    $\begingroup$ Possible duplicate of Is the universe fundamentally deterministic? $\endgroup$ Commented Jan 15, 2016 at 15:59
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    $\begingroup$ Classically speaking, if spacetime is not globally hyperbolic (i.e. not diffeomorphic to $\mathbb{R}\times\Sigma$ with $\Sigma$ some 3-manifold), then no. $\endgroup$ Commented Jan 15, 2016 at 16:08
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    $\begingroup$ Tho, this does not pertain to the question, your argument about who you are is a collection of experiences is an arguable issue. $\endgroup$ Commented Jan 15, 2016 at 16:31
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    $\begingroup$ Regardless of whether what you say is true or not, we do not know in detail the laws that connect all scales in a fully deterministic way. Until then, you can choose to do science an try to answer that question, and in the personal level you can expect randomness at any level since there is a lack of control on all involved quantities. PS: Uniformity of the universe does not infers assuming its determinacy. And of course it would be possible to simulate the universe if it were completely deterministic .... and we knew all the required laws. $\endgroup$ Commented Jan 15, 2016 at 16:52
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    $\begingroup$ Seems to me you have a recursion problem, since the computer is part of the universe. $\endgroup$ Commented Jan 15, 2016 at 20:54