Measures, Explanations and the Past: Should 'Special' Initial Conditions be Explained?

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Callender, Craig
preprint description
For the generalizations of thermodynamics to obtain, it appears that a very “special” initial condition of the universe is required. Is this initial condition itself in need of explanation? I argue that it is not. In so doing, I offer a framework in which to think about “special” initial conditions in all areas of science, though I concentrate on the case of thermodynamics. I urge the view that it is not always a serious mark against a theory that it must posit an “improbable” initial condition.