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I shall also ignore disputes between coherence theorists and foundationalists; disputes between internalists and externalists and disputes over whether belief is voluntary. Although these have some implications for the epistemology of religion they are primarily topics in general epistemology.
Evidentialism implies that it is not warranted to have a full religious belief (ie a religious belief held with full confidence) unless there is conclusive evidence for it. The content of religious experience has been stipulated not to count as evidence. Religious beliefs do not seem to be self-evident. So the only available evidence would seem to be non-religious premisses, from which the religious beliefs are inferred. Therefore, the only way of deciding whether the religious beliefs are warranted would be to examine various arguments with the non-religious beliefs as premisses and the religious beliefs as conclusions.
According to Evidentialism it follows that if the known arguments for there being a God, including any arguments from religious experience, are at best probable ones, no one would be warranted in having full belief that there is a God. And the same holds for other religious beliefs, such as the Christian belief that Jesus was God incarnate. Likewise, it would be unwarranted to believe even partially (ie with less than full confidence) if there is not a balance of evidence for belief.
In fact it seems that many religious believers combine full belief with "doubts" in the sense of some reasons for doubting, or they combine partial belief with what they take to be weighty reasons for disbelief. According to Evidentialism they are unwarranted. Other believers consider that, on reflection, they have little reason for doubting but that they have almost no positive evidence for their religious beliefs. According to Evidentialism they too are unwarranted. This raises the question, how can we adjudicate between an epistemological thesis which might otherwise be believed and a religious belief which that thesis implies is unwarranted? One component of the Enlightenment (with the notable exception of Hume) was the hegemony of epistemology. By that I mean the assumptions that (a) we can discover the correct epistemology in isolation from discovering actual human tendencies to form beliefs, and that (b) we have an overriding reason to use this epistemology to correct those tendencies. If, according to Evidentialism, full or even partial religious beliefs were unwarranted, then, given the hegemony of epistemology we have an overriding reason to reject those beliefs. Perhaps the clearest exponent of this position is the comparatively recent Clifford whose use of moral vocabulary conveys well the overriding character of the reasons epistemology is meant to provide. His position is summed up in the famous quote: "It is wrong always, everywhere, and for anyone, to believe anything upon insufficient evidence" (Clifford 1879: 186).
At the other extreme from Clifford is the position of Fideism, namely that if an epistemological theory such as Evidentialism conflicts with the warrant of religious beliefs then that is so much the worse for the epistemological theory.
The Enlightenment position was the hegemony of Evidentialism. Its rejection is quite compatible with holding a hegemony thesis for a fragment of epistemology, weaker than Evidentialism. Such a fragment might, for instance, contain the principle of self-referential consistency, relied upon by Plantinga (1983: 60). This states that it is not warranted to have a belief according to which that belief is itself not warranted.
As I understand it, postmodernism implies more than being postmodern in my sense. Postmodernism is the rejection of the hegemony of even a fragment of epistemology. That might seem agreeable to fideists. Postmodernism tends, however, to trivialise Fideism by obliterating any contrast between faith in divine revelation and trust in human capacities to discover the truth.
Much contemporary epistemology of religion seeks to avoid the extremes both of the Enlightenment Evidentialism and of Fideism. It is thus postmodern without necessarily being postmodernist. Let us call the injunction to avoid these extremes the problematic of contemporary epistemology of religion.
Not surprisingly the reliance of non-theist philosophers on Evidentialism has been criticised. First there is an ad hominem. Shalkowski (1989) has pointed out that these defenders of Evidentialism tend in fact to be atheists not agnostics, yet a careful examination, he says, of the examples used to support Ockham's Razor show that either they are ones in which there is independent evidence for denying the existence of Xs or ones in which suspense of judgement seems to be the appropriate response, not denial. Another criticism is Plantinga's claim that Evidentialism is self-referentially inconsistent for there is no evidence for Evidentialism (Plantinga 1983: 60). This might be met in either of two ways. First, it could be said that all that is being defended is the Ockhamist fragment of Evidentialism and that this is not itself vulnerable to Ockham's Razor. Or it could be argued that deriving an epistemology from a wide range of examples is evidence for it. To be sure this is far from conclusive evidence. But even a less than full belief in an epistemological thesis which showed theism to be unwarranted would be damaging. This may be illustrated using an example with artificial numerical precision: 80% confidence in an epistemology which showed that no degree of belief in theism greater than 60% was warranted would demonstrate, I take it, that no degree belief in theism greater than 68% was warranted.(68% = 20% plus 80% of 60%.)
Many natural theologians have, however, abandoned the search for demonstrative arguments, appealing instead to ones which are probable, either in sense of having weight but being inconclusive or in the sense of having a mathematical probability assigned to them. Notable in this regard are Mitchell's cumulative argument (Mitchell 1973) and Swinburne's Bayesian reliance on probability (Swinburne 1979). In a popular exposition of his argument Swinburne appeals instead to an inference to the best explanation (Swinburne 1995; see also Forrest 1996). While there are differences of approach, the common theme is that there is evidence for theism but evidence of a probable rather than a conclusive kind, warranting belief but not full belief.
Newman's position has two interpretations. One, which differs little from Swinburne's probabilistic approach to natural theology, asserts that the consilience of a number of independent pieces of probable reasoning can result in a probability so high as to be negligibly different from certainty. If, to use an example Newman would not have liked, Aquinas's five ways were independent and each had probability 75% then taken together their probability is about 99.9%. One difficulty with this interpretation is that even a highly probable argument differs from a demonstration in that the former is vulnerable to probabilistic counter-arguments. Thus a probabilistic version of the Argument from Evil might subsequently reduce the probability from 99.9% down to 75% again.
The other interpretation of Newman's position is to say that Evidentialism falsely presupposes that there are fine gradations on a scale from full belief through partial belief to partial disbelief to full disbelief. Newman claims we are not like that when it comes to those beliefs which form part of religious faith. In such cases the only available states are those of full belief and full disbelief or, perhaps, full belief, and lack of full belief. Of course we can believe that theism has a probability between 90% and 60%, say, but that could be interpreted as believing that relative to the evidence theism has a probability between 90% and 60%, which, in turn, is a comment on the strength of the case for theism not the expression of a merely partial belief.
If Newman is right then Evidentialism is slightly wrong. Instead of requiring belief to be proportioned to the evidence, full belief is warranted if the case for it holds "on the balance of probabilities". In that case a natural theology, such as Swinburne's, consisting of merely probable arguments can still show full religious belief to be warranted.
Perhaps the most obvious criticism of Wittgensteinian Fideism is that even if the underlying theory of forms of life and language games is granted it is an historical fact, warranted by the criteria of the "game" of history, that the tradition to which the majority of Jews, Christians and Muslims belong to is a form of life with heavy metaphysical commitments, and in which such utterances as "There is a God" are intended as much like "There is a star ten times more massive than the Sun" as like "There is hope". So Wittgensteinian Fideism is only appropriate for such religions as Zen Buddhism and for some, relatively recent, liberal strands of Judaism and Christianity which have rejected the traditional metaphysical commitment (as in Cupitt 1984).
We could modify the Wittgensteinian position to allow a metaphysical "language game" with its own criteria for warrant etc, and in which natural theology should be pursued. Then the Judo-Christian-Islamic "language game" would be part of this larger, autonomous metaphysical "language game". That modified account would cohere with the historical fact of the metaphysical commitment of that religious tradition. In that case, though, it would seem that, not just the Judo-Christian-Islamic "language game", but all serious intellectual enquiry should also be treated as parts of the one "game", with one set of rules. Thus Wittgensteinian Fideism would have been qualified out of existence.
Even if we reject Wittgensteinian Fideism we might still take a lesson from it. For it must surely be granted that religious utterances are not made in a purely intellectual way. Their entanglement with commitment to a way of life and their emotional charge might help to explain the fact, if it is one, that those who take religion seriously, whether believers or not, do not in fact have a continuous range of degrees of confidence but operate instead with full belief or full disbelief. For, normally, emotionally charged beliefs are either full on or full off, and in abnormal cases tend to be divided rather than partial. Thus, confronted with conflicting evidence about whether your affection is reciprocated you are far less likely to suspend judgement than to oscillate between full belief and full disbelief. Likewise it seems more normal to oscillate between full belief in God in moments of crisis and full disbelief when things go well than to suspend judgement at all times. This ties in with the Newmanian modification of Evidentialism, mentioned above.
While the details of grounding might be controversial I shall assume that reformed epistemologists assert that ordinary religious experiences of awe, gratitude, contrition, etc ground the beliefs implied by believer's sincere reports of such experiences, provided they can be said to cause those beliefs. Such grounded beliefs are warranted provided they can be defended against known objections. They can then be used as evidence for further religious beliefs. Thus if religious experience grounds the belief that God has forgiven me for doing what is wrong to other humans beings, then that is evidence for a personal God who acts in a morally upright fashion. For, it can be argued, only such a God would find anything to forgive in the wrongs I do to my fellow human beings.
One difference between Reformed Epistemology and Fideism is that the former requires defence against known objections, such as the Argument from Evil, which the latter might dismiss such objections as either irrelevant or, worse, intellectual temptations.
Reformed Epistemology could be correct and yet far less significant than its proponents take it to be. That would occur if in fact rather few religious beliefs are grounded in the sorts of ordinary religious experiences most believers have. For it may well be that the beliefs are part of the cause of the experience rather than the other way round (Katz 1978).
One way of comparing Reformed Epistemology with Wittgensteinian Fideism is to note that the former proposes a universal relaxation of the stringent conditions of Evidentialism while the latter only proposes a relaxation for the case of religious beliefs.
The difference between Reformed Epistemology and Evidentialism is also shown by a consideration of revelation and inspiration. An evidentialist will consider arguments from the premiss that it is said such and such was revealed or the premiss that so and so claimed to be inspired by God, but a reformed epistemologist might allow as warranted religious beliefs grounded in the event of revelation or inspiration. Thus Mavrodes has argued that any belief due to a genuine revelation is warranted, and has discussed several modes of revelation (Mavrodes 1988). This would have the, to my mind unacceptable, consequence that warrant becomes totally inaccessible either to the person concerned or the community (Zagzebski 1993a:204-205). A similar criticism could be made of beliefs grounded in religious experience. In both cases, the question of whether a belief is genuinely grounded in religious experience or is genuinely grounded in inspiration is one that several religious traditions have paid attention to, with such theories as that of discernment of spirits (Murphy, 1990, ch 5).
Finally in what might be called Counter-Reformed Epistemology it could be allowed that a belief can be warranted if grounded in a religious tradition. Such a belief would have to be caused in the right sort of way by the right sort of tradition. As in the previous cases we might note that such grounding should be partially accessible to the believer. As far as I know rather little work has been done on this extension of Reformed Epistemology, but the social dimension of warrant has been noted (Zagzebski 1993a).
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First published: April 23, 1997
Content last modified: April 24, 1997