Religious Epistemology: Evidentialism vs. Reformed Epistemology

ابستمولوجيا الدين: الدليلية والإبستمولوجيا الإصلاحية

Summary

Religious epistemology in contemporary philosophy of religion has been organized around the conflict between evidentialism and Reformed Epistemology. The evidentialist position (associated with John Locke, W. K. Clifford, and contemporary defenders Earl Conee and Richard Feldman) holds that beliefs are rational only when supported by adequate evidence; this includes religious beliefs. The Reformed Epistemology position (Alvin Plantinga, Nicholas Wolterstorff, William Alston) holds that religious beliefs can be properly basic — rationally held without being inferred from prior beliefs. Within Maslik 1 (Philosophical and Metaphysical), the framework's cumulative-case approach operates in a register compatible with both: it provides cumulative evidence for the inquirer while acknowledging that ordinary religious belief, for the believer, may operate in the properly-basic register the Reformed Epistemologists describe.

The Evidentialist Position

Evidentialism is the position that the rationality of a belief depends on its evidential support. A belief is rational only when its content is supported by adequate evidence; beliefs without adequate evidential support are not rational.

John Locke's An Essay Concerning Human Understanding (1689) is a classical statement. Locke held that rational belief proportions itself to evidence and that faith without evidence is "enthusiasm" — a form of cognitive disorder.

W. K. Clifford's "The Ethics of Belief" (1877) presents the most famous statement: "It is wrong always, everywhere, and for anyone, to believe anything upon insufficient evidence." Clifford's argument is moral as well as epistemological: holding beliefs without evidence damages oneself, the community, and the world.

Contemporary defenders include Earl Conee and Richard Feldman (Evidentialism: Essays in Epistemology, 2004), Roger Trigg, and Anthony Kenny. The position remains influential, particularly among secular philosophers who treat evidentialism as the default and treat religious belief as requiring evidential defense.

Within philosophy of religion, evidentialism implies that religious beliefs are rational only if supported by arguments. The classical theistic arguments (cosmological, teleological, ontological, moral) are the relevant evidential resources. If these arguments succeed, religious belief is rational; if they fail, religious belief is not.

The Critique of Evidentialism

The Reformed Epistemology critique has several parts.

Self-application

The evidentialist principle ("believe only on adequate evidence") is itself a belief. What evidence supports it? The principle's self-application produces a difficulty: either the principle has evidential support (in which case some belief is rational independently of the principle, undermining the principle's claim that all rational beliefs require evidence) or it does not (in which case the principle itself is self-defeating).

Plantinga's "Reason and Belief in God" (1983) develops this critique. The Reformed Epistemologist's position is that the evidentialist principle is itself an example of what it claims to forbid — a belief held without inferential evidence.

Ordinary epistemic practice

Evidentialism, generalized, has implausible consequences for ordinary epistemic practice. Most ordinary beliefs (about perception, memory, other minds) are not held on inferential evidence; they are basic. If the evidentialist demand is applied uniformly, virtually none of ordinary cognition is rational.

The Reformed Epistemologist's response is to acknowledge that basic beliefs are pervasive in ordinary cognition and that the appropriate epistemological question is when basicality is proper — when a basic belief is held in epistemically appropriate circumstances.

The selection problem

Evidentialism faces a selection problem about what counts as evidence. Classical empiricism (Locke, Hume) restricted evidence to sense-experience. Strict empiricism, however, would exclude much of mathematics, much of theoretical science, and many ordinary beliefs about which there is no serious doubt. Broadening evidence to include rational intuition or theoretical inference produces evidence that is itself contested.

The Reformed Epistemologist argues that evidentialism has not produced a stable account of what counts as evidence, and that its critique of religious belief depends on a notion of evidence that the program itself cannot defend.

The Reformed Epistemology Position

Reformed Epistemology proposes that religious beliefs can be properly basic — held immediately and rationally without being inferred from prior beliefs.

The position has several components.

The proper-function account of warrant (Plantinga's Warrant and Proper Function, 1993): a belief is warranted when produced by cognitive faculties functioning properly in an appropriate environment according to a design plan aimed at truth.

The sensus divinitatis or fiṭra: religious beliefs are produced by a cognitive faculty that operates normally in appropriate circumstances. When this faculty is functioning properly and in the right environment, the resulting religious beliefs are warranted.

Defeaters: properly basic beliefs can be defeated by countervailing evidence. The properly-basic claim is not that religious beliefs are immune to challenge; it is that they do not require positive inferential support to be rationally held in the first place.

Application to religious belief: most religious belief, historically, has been held basically — not on inferential reasoning but immediately, in response to experience and tradition. The Reformed Epistemologist's claim is that this basicality is proper, not a cognitive defect.

See plantinga-reformed-epistemology for detailed treatment of the position.

The Framework's Position

The framework's position is that the dispute is resolvable through a careful distinction.

For the ordinary believer: religious belief characteristically operates in the properly-basic register. The believer who experiences God's presence, who has been formed in a religious tradition, who finds the religious vocabulary natural to her cognitive situation — does not typically arrive at religious belief through inferential argument. The cognitive process is more like perception or memory than like scientific inference. The Reformed Epistemologist's description of this register is, on the framework's reading, largely correct.

For the inquirer: religious belief may need inferential support. The person who is asking whether religious commitment is rational — whether for herself, for her interlocutors, for the broader public sphere — does need to engage the evidence. The cumulative-case approach the framework develops is precisely this kind of resource. The evidentialist's demand, in this register, is appropriate.

The two registers are compatible. Religious belief can be properly basic and supported by cumulative argument. The two functions operate at different cognitive levels and serve different epistemic purposes.

This is consistent with both classical Islamic positions and broader theological tradition. The fiṭra doctrine (see fitra-doctrine-in-islam) describes the basic-belief register. The kalām tradition's defensive argumentation (Ashʿarī defenses of theism, see kalam-vs-falsafa-debate) operates in the inferential register. Both are part of the Islamic intellectual heritage.

Defeaters and the Stability of Properly Basic Belief

A specific concern about Reformed Epistemology is that it makes religious belief immune to challenge. If religious belief is properly basic, what can defeat it?

The Reformed Epistemologist's answer involves defeaters — beliefs that, given the believer's other beliefs, would render the religious belief no longer rational. Defeaters can be rebutting (showing that the belief is false) or undercutting (showing that the basis for the belief is unreliable).

Examples: discovering that one's religious experience was produced by hallucinogenic drugs (undercutting defeater); discovering that one's religious tradition is internally incoherent on its own terms (rebutting defeater); the problem of evil (potentially a partial defeater requiring response).

The framework adopts this defeater apparatus. Religious belief is properly basic but not immune; it can be rationally defeated by sufficient countervailing evidence. The cumulative-case approach provides positive evidence; the defeater apparatus addresses negative evidence. Together they constitute a comprehensive epistemological structure.

What This Article Establishes

Contributions:

A map of the evidentialist vs. Reformed Epistemology debate.
Engagement with the strongest version of each position.
The framework's specific position: the dispute is resolvable through register distinction.
Connection to the framework's cumulative-case approach.

Limits:

The article does not adjudicate every disputed point in contemporary religious epistemology.
The article presupposes the more developed treatment of Plantinga's position in plantinga-reformed-epistemology.

Connections to Other Masalik

Maslik 1 (this maslik): companion to plantinga-reformed-epistemology, kant-on-religion, and divine-attributes-and-the-coherence-of-theism.
Maslik 4 (Innate Religious): the fiṭra parallel to the sensus divinitatis. See fitra-doctrine-in-islam.
Maslik 0 (Transversal): connects to faith-and-doubt and the broader epistemic structure of religious commitment.

Key Distinctions

Evidentialism (rationality requires evidence) vs. Reformed Epistemology (some beliefs are properly basic)
Basic belief (not inferred) vs. properly basic belief (not inferred and appropriately so)
Rebutting defeater (showing belief false) vs. undercutting defeater (showing basis unreliable)
Believer's register (properly basic) vs. inquirer's register (cumulative case) — the framework's both/and position
Internal critique of evidentialism (self-defeating) vs. external defense of evidentialism (consistent with broader practice)

Major Proponents (of evidentialism)

John Locke — An Essay Concerning Human Understanding (1689)
W. K. Clifford — "The Ethics of Belief" (1877)
Bertrand Russell — generally evidentialist
Earl Conee and Richard Feldman — Evidentialism (2004)
Anthony Kenny — What Is Faith? (1992)
Roger Trigg — Rationality and Religion

Major Proponents (of Reformed Epistemology)

Alvin Plantinga — Warrant trilogy, Warranted Christian Belief
Nicholas Wolterstorff — Reason within the Bounds of Religion (1976)
William Alston — Perceiving God (1991)
Michael Bergmann — Justification without Awareness (2006)
Tyler McNabb — Religious Epistemology (2018)
Trent Dougherty — multiple papers

Major Mediating Positions

Richard Swinburne — evidentialist defender of theism through cumulative-probability argument
John Bishop — Believing by Faith (2007)
Stephen Wykstra — limited skepticism approach