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What Is the Evidential Problem of Evil?

The evidential problem of evil is the argument that the world's actual suffering, especially when it appears gratuitous, lowers the probability that an omnipotent, omniscient, and perfectly good God exists.

By Philosopheasy Published on August 24, 2026

A philosophical autopsy of suffering: why a single burning fawn can quietly dismantle a theology. 4 min read.

Imagine a forest fire in a remote valley. A fawn, caught in the flames, endures hours of agony before dying, unseen by any human. No one learns from it, no soul is deepened, no greater good emerges. This is not an abstract placeholder for 'evil'; it is a concrete event with built-in negative features. The evidential problem of evil begins precisely here—not with a logical contradiction, but with the weight of such facts pressing down on the probability that God exists.

The evidential version does not claim that God and evil are formally incompatible. It claims something subtler and harder to refute: given the kind and quantity of suffering we observe, especially the suffering that appears completely pointless, the existence of a perfectly good, all-powerful, all-knowing God becomes unlikely. The argument is inductive, a posteriori, and probabilistic. It says, in effect, that if the God of classical theism were real, we would expect a world radically different from the one we actually inhabit—a world without the spectacle of a fawn burning alone for no reason.

The shift from logical to evidential arguments mirrors philosophy's own maturation: from the arrogant certainty of contradiction to the cautious calculus of probabilities. We no longer claim to have proven God impossible; we only claim that the evidence weighs heavily.

William Rowe, the philosopher most associated with this formulation, used the fawn example in his 1979 essay The Problem of Evil and Some Varieties of Atheism to isolate the notion of gratuitous evil—suffering that appears to serve no greater good and whose prevention would not have led to some outweighing benefit. The existence of even one such instance, Rowe argued, is enough to significantly reduce the probability of God's existence. Paul Draper pushed the argument further by comparing the hypothesis of theism with a hypothesis of indifferent natural causes, asking which better explains the distribution of pain and pleasure we find in the world. His conclusion: the data of suffering fit an indifferent universe better than a loving creator.

How does this differ from the older, logical version? The table below lays out the fault lines.

Dimension Logical Problem Evidential Problem
Core Claim God and evil cannot coexist; belief is contradictory. God and evil may coexist, but observed suffering makes God's existence unlikely.
Epistemic Status A priori, deductive A posteriori, inductive
Key Proponents Epicurus, J.L. Mackie, H.J. McCloskey William Rowe, Paul Draper, John Schellenberg
Current Status Widely considered unsuccessful Active and unresolved

Because the evidential problem is probabilistic, responses must work differently than in the logical debate. A rational rebuttal cannot simply point to a possible world where God and evil coexist; it must argue that the appearance of pointlessness is misleading. Two main strategies have emerged. Skeptical theism insists that finite human minds are in no position to judge whether an apparently pointless evil actually serves some inscrutable divine purpose. Our inability to see the greater good does not mean there isn't one. The soul-making theodicy, associated with John Hick, argues that suffering is necessary for moral and spiritual growth—though critics note that a fawn's agony fits awkwardly into any curriculum of character formation.

The evidential problem remains open, not because theists have been lazy, but because the argument touches something genuinely mysterious: why would a loving God permit horrors that seem to benefit no one? For the modern reader, this is not merely an academic question. It resurfaces whenever we confront natural disasters, terminal illness, or the quiet suffering of those we cannot help. The evidential problem does not pretend to offer a knockdown refutation of theism; it offers something more unsettling—a reason to suspect that the universe is indifferent to us, even if we long for it not to be.

Referenced Works & Texts

  1. William L. Rowe, The Problem of Evil and Some Varieties of Atheism (1979). Grounds the fawn example and the concept of gratuitous evil.
  2. Paul Draper, Pain and Pleasure: An Evidential Problem for Theists (1989). Develops the comparative probability argument.

Explore the full source material at Philosopheasy Source: Logical vs Evidential Problem of Evil: A Side-by-Side Comparison


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