On 11 Oct 2011, at 19:29, meekerdb wrote:

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On 10/11/2011 9:03 AM, Bruno Marchal wrote:My non observed "future"; or computational extensions, is selected,making the comp physics explainable in term of statistics oncomputations. This leads to general physical laws invariant for allobservers. There is no selection of a particular computations, justa relative indeterminacy bearing on all computations going throughmy state. In particular we cannot use Bayes theorem, for example.Isn't "relative indeterminacy" quantified by conditionalprobability; for which Bayes theorem is the appropriate tool.

`Conditional probability is quantified by its definition P(A/B) = P(A`

`intersect B)/P(B). In this case Bayes probability is P(B/A), and is`

`given by Bayes formula. The first one is typical of the use of`

`probability, like in QM. The second one is used to do inductive`

`reasoning. Bayes theorem depends on conditional probability, but the`

`reverse is not true.`

Bruno

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