Theism and Explanation - Appeared-to-Blogly
Theism and Explanation - Appeared-to-Blogly
Theism and Explanation - Appeared-to-Blogly
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146 <strong>Theism</strong> <strong>and</strong> <strong>Explanation</strong><br />
characterise an adequate explanation. But this is a very modest position.<br />
After all, none of the features I have discussed—testability, consistency with<br />
background knowledge, simplicity, on<strong>to</strong>logical economy, <strong>and</strong> informativeness—rule<br />
out proposed theistic explanations a priori. A proposed theistic<br />
explanation formulated with the requisite degree of intentional specifi city<br />
would be testable (7.1.1). Whether it survives the test is another question,<br />
but it is not a question which we can decide in advance. Consistency with<br />
background knowledge is a contingent matter: if we already had a tradition<br />
of successful theistic explanations, then there would be no reason <strong>to</strong> reject<br />
yet another. On<strong>to</strong>logical economy is a ceteris paribus condition. It suggests<br />
that we should not posit new kinds of entities unless these are required <strong>and</strong><br />
it is at least conceivable that positing a divine agent might be required, <strong>to</strong><br />
explain some phenomenon. And while a proposed theistic explanation may<br />
not be a “lovely explanation,” which would allow us <strong>to</strong> deduce the precise<br />
details of the effect, this does not seem (by itself) a fatal objection, if it were<br />
<strong>to</strong> score highly on our other criteria.<br />
So yes, my arguments might give us reason <strong>to</strong> prefer natural explanations<br />
when these are available, <strong>and</strong> <strong>to</strong> seek natural explanations when they<br />
are not. It follows that a proposed theistic explanation should be, at best,<br />
an explanation of last resort. 2 One might argue that this view—that we<br />
should ab<strong>and</strong>on the search for natural explanations only in extremis—<br />
represents a kind of “presumption of naturalism.” And so it does. But my<br />
point is that such a presumption would be (in principle) defeasible. And it<br />
falls short of what most people mean by the “methodological naturalism”<br />
of the sciences.<br />
My own view is that the naturalistic research tradition of the sciences<br />
has been stunningly successful <strong>and</strong> must rank as of one of the greatest of<br />
human achievements. But I think it is poorly served by attempts <strong>to</strong> defi ne<br />
science in such a way as <strong>to</strong> exclude the supernatural. The debate over intelligent<br />
design is instructive in this regard. One might win a legal vic<strong>to</strong>ry<br />
by insisting that this proposed theistic explanation is not what we cus<strong>to</strong>marily<br />
call “science.” And this is true, for contingent his<strong>to</strong>rical reasons.<br />
But it would be much more effective <strong>to</strong> show that this particular proposed<br />
theistic explanation, with its deliberately vague appeal <strong>to</strong> an unspecifi ed<br />
“designer,” is practically vacuous. It lacks the fi rst <strong>and</strong> most important virtue<br />
of any proposed explanation, namely that of testability. It follows that<br />
this particular proposed theistic explanation should be rejected.<br />
Could the theist produce a better one? I doubt it, but then it would be<br />
most regrettable if we were <strong>to</strong> forbid him <strong>to</strong> try. Nothing could be more<br />
antithetical <strong>to</strong> the spirit of free enquiry than this kind of censorship. If proposed<br />
theistic explanations are <strong>to</strong> be defeated, as they have been so often<br />
in the past, it will be by way of the free contest of ideas. The contribution<br />
which I hope this study has made is <strong>to</strong> show how this could be done, by<br />
outlining the st<strong>and</strong>ards against which any proposed theistic explanation<br />
should be measured.