Who Has the Burden of Proof?
Does the Christian have to prove God exists — or does the skeptic have to prove he does not?
Why it matters
Conversations collapse when both sides think the other owes the argument. Clarifying burden-of-proof keeps discussions productive and exposes rhetorical tricks like the "lack of belief" move — in which a skeptic makes positive claims while denying any duty to support them.
The main case
The burden of proof rests on whoever makes a positive claim. "God exists" and "God does not exist" are both positive claims, each carrying its own burden. The popular atheist move — "atheism is just a lack of belief, so I have no burden" — is either a retreat to agnosticism (in which case there is no disagreement) or a sleight of hand that smuggles a strong claim past the gate. A shared standard: whoever is asserting, owes reasons. This applies to both sides.
Claim · Evidence · Objection · Response
1.Both theism and atheism are positive claims about reality.
Majority viewEvidence
- Theism: "There is a God."
- Atheism: "There is no God" — a claim about the population of the universe.
- Agnosticism: "I do not know whether there is a God" — the genuine neutral position.
- Historically, "atheist" has meant the second, not the third.
Strongest objection
"Atheism is the absence of theism, like baldness is the absence of hair."
Response
Then "atheists" and rocks and trees are all "atheists," which is absurd. The analogy works for the newborn but not for the philosopher asserting "there is no God."
- Reasonable Faith — William Lane Craig (2008 (3rd ed.))scholarlyFind on Amazon
- Warranted Christian Belief — Alvin Plantinga (2000)scholarlyFind on Amazon
2.Productive conversations require shared burden-of-proof rules.
DebatedEvidence
- Law, debate, and science all apply symmetric rules.
- Unsymmetric rules collapse into who can dodge the question better.
- A shared rule forces both sides to steelman and support their view.
Strongest objection
"Extraordinary claims require extraordinary evidence — so the theist's burden is higher."
Response
"Extraordinary" is doing unspoken work here. Bayesian analysis handles this precisely: prior probability sets the bar, and strong evidence can clear it. The slogan without Bayesian machinery is usually a license to dismiss.
- Reasonable Faith — William Lane Craig (2008 (3rd ed.))scholarlyFind on Amazon
- "The Argument from Miracles" (Blackwell Companion to Natural Theology) — Timothy & Lydia McGrew (2009)scholarlyFind on Amazon
What scholars debate
Analytic philosophers of religion almost universally treat atheism as a substantive thesis with its own burden; the "lack of belief" move is largely confined to popular-level internet discourse.
Reflection
- 1.Have you ever accepted a claim without asking what evidence supports it?
- 2.When you make a claim in conversation, what would be enough to get you to withdraw it?
- 3.What is the difference between "I do not know" and "there is no God"?
Key sources
- Reasonable Faith — William Lane Craig (2008 (3rd ed.))scholarlyFind on Amazon
- Warranted Christian Belief — Alvin Plantinga (2000)scholarlyFind on Amazon
- "The Argument from Miracles" (Blackwell Companion to Natural Theology) — Timothy & Lydia McGrew (2009)scholarlyFind on Amazon
Featured thinkers
A leading contemporary defender of the Kalam cosmological argument and the historicity of the resurrection.
A founding figure of the revival of Christian philosophy in the 20th century, known for Reformed Epistemology, the Free Will Defense, and the Evolutionary Argument Against Naturalism.
Apologist and communicator focused on tactics for everyday conversations — the Columbo approach of leading with questions rather than pronouncements.
Pass it on
Share this lesson
One honest argument can change a conversation. Send it to a friend, a skeptic, or your small group.
Want a hi-res image card instead? Build a shareable evidence card sized for X or Instagram Stories.