I emphasize here that the difficulty is one of actual causal interaction and not one of
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The full formulation of abnormic laws is given in Bromberger . The widespread
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laws in  p. 423 are too strong.
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PROBABILITY, EXPLANATION, AND
Elsewhere I have argued that probabilistic explanation, properly so
called, is the explanation of things that happen by chance: the
explanation proceeds, I claimed, by producing a law-based demon-
stration that the explanandum phenomenon had a particular prob-
ability of obtaining and noting that, by chance, it did obtain. This
account will presented in more detail below, but the bulk of this paper
will be given over to a discussion of two large problems confronting
such a view: