Presuppositional apologetics: starting from Christian premises

Program / Course 13: Foundations of Apologetics / Lesson 2.3

What you will learn

• Define presupposition and explain why presuppositionalists say no one reasons from neutral ground.
• Describe the transcendental argument as presuppositionalists state it.
• Explain the difference between Van Til’s approach and the approaches of Clark and Frame.
• State the main objections, including the charge of circularity, and how defenders reply.

The big idea

Presuppositional apologetics begins from a different place. Its defenders argue that no one reasons from a neutral position. Everyone starts with basic commitments, and the Christian should begin openly with the God of Scripture, who makes reasoning, logic and morality possible. Instead of first proving God from shared evidence, the apologist argues that the non-Christian worldview cannot explain the very things it relies on. Critics reply that this approach is circular, that it silences ordinary evidence, and that other worldviews could play the same game.

Key terms

Presupposition

A basic assumption that a person holds in order to reason at all, and which shapes how evidence is interpreted.

Worldview

The overall set of beliefs through which a person understands reality, knowledge and value.

Transcendental argument

An argument that asks what must be true for some activity, such as reasoning, to be possible, and concludes that a certain thing must be true. In this setting, the conclusion is that the Christian God must exist.

Epistemology

The study of knowledge: what it is, how it is gained, and what justifies a belief.

Circular argument

An argument whose conclusion is assumed in one of its premises. Presuppositionalists say that some circularity is unavoidable for any ultimate standard.

Reformed theology

The Protestant tradition that follows John Calvin and his heirs. Most presuppositionalists belong to it.

Antithesis

In Van Til’s thought, the basic opposition between a worldview that starts from God and one that starts from the human mind.

Background

The best known founder of this method is Cornelius Van Til (1895-1987), a Dutch-American Reformed theologian who taught at Westminster Theological Seminary. He built on the work of earlier Dutch thinkers such as Abraham Kuyper and Herman Bavinck. Later writers, including Greg Bahnsen and John Frame, developed and refined his ideas. A related but different view comes from Gordon Clark, who held that Christian knowledge begins with Scripture as an axiom and who criticized Van Til on several points.

The method rests on a doctrine common in Reformed theology: that human beings know God and suppress that knowledge, and that sin affects the mind as well as the will. If that is true, they say, then treating the unbeliever as a neutral judge of the evidence is a mistake, since the unbeliever interprets facts through an opposing commitment.

Step-by-step explanation

Step 1: No neutral ground

The first claim is that all reasoning takes place within a framework. A scientist assumes that nature is orderly. A historian assumes that the past can be known. A skeptic assumes that doubt is a sound guide. None of these can be proved without already using them. Presuppositionalists conclude that apologetics cannot pretend to be neutral. The Christian does not argue from some common ground that omits God, since God is the ground of all knowing.

This does not mean that Christians and non-Christians have nothing in common. Van Til taught that both live in God’s world and both use logic and facts. His point was that they interpret these differently because they start from different final authorities.

Step 2: The biblical reasons given

Presuppositionalists point to several passages. Romans 1:18-21 says that what can be known of God is plain to all and that people suppress the truth. Proverbs 1:7 says that the fear of the Lord is the beginning of knowledge. In Colossians 2:3 Christ is the one in whom all the treasures of wisdom and knowledge are hidden. Proverbs 26:4-5 gives two apparently opposite instructions about answering a fool, which Van Til and others read as a pattern: do not accept the fool’s premises, but show him where they lead.

Critics respond that these verses can be read in other ways. Romans 1 is read by classical apologists as support for natural theology, as in the previous lesson. The disagreement is partly about interpretation of Scripture and partly about philosophy.

Step 3: The transcendental argument

The distinctive argument is transcendental. It asks: what must be true for knowledge, logic, moral values and the uniformity of nature to exist? The presuppositionalist answers that only the Christian God can account for them. A universe produced without a mind, they say, gives no reason to trust reason itself. A world without a lawgiver gives no standing to moral claims.

The apologist then tries to show that the opposing worldview borrows from Christianity what it needs. A secular skeptic, for example, assumes that the world follows stable laws and that logic is universal, yet cannot, in the presuppositionalist’s view, justify these assumptions on its own terms. The method therefore works by internal critique, accepting the opponent’s view for the sake of argument in order to show that it collapses.

Step 4: Differences within the camp

Presuppositionalists disagree among themselves. Van Til held that Christianity is the only worldview that makes human reasoning possible, and that the argument is an all-or-nothing proof by the impossibility of the contrary. Clark rejected Van Til’s use of paradox and held that Scripture is a self-authenticating starting point from which a system of knowledge is deduced. Frame stressed that presuppositions work together with facts and logic as three perspectives on one reality, and that some evidence still has a role.

Other writers, such as Francis Schaeffer, used the method more loosely, pressing unbelievers to see the cost of their own consistency. Students should be wary of treating presuppositional apologetics as a single fixed view.

Step 5: Objections and replies

The best known objection is circularity. If the Bible is true because God exists, and God exists because the Bible says so, the argument seems to go in a circle. Presuppositionalists reply that every ultimate standard is defended in a circle of some kind, since one cannot appeal to anything higher: the rationalist uses reason to defend reason. They claim that the Christian circle is the only one that does not collapse into skepticism. Critics answer that this reply proves too much, because a Muslim or a Hindu could say the same about their texts, and that the apologist needs some way of choosing among them.

Another objection is that the approach seems to ignore evidence and so fails to persuade anyone not already convinced. Defenders say that they do not ignore evidence and that facts are meaningful only within a worldview. A third objection comes from Catholic and Orthodox writers, who argue that denying a shared natural reason dishonors the tradition that holds reason to be part of the divine image. Reformed defenders reply that the image is real but distorted by sin.

1. What does it mean to say that no one reasons from a neutral position? Is that claim itself neutral?
2. Which Bible passages do presuppositionalists cite, and how might others read them?
3. What does the transcendental argument ask, and how would a non-Christian respond?
4. Is there a difference between a vicious circle and an unavoidable starting point?
5. How do Van Til, Clark and Frame differ?
6. How could a presuppositionalist reply to a Muslim who claims the same approach for the Quran?

Examples

Different perspectives

Reformed Protestant (Van Til and followers)

They hold that the Christian worldview is the only coherent one and that it must be defended as a whole. They teach that human reason is affected by sin and that the Spirit must open the mind, so argument is always bound to proclamation.

Reformed critics

Some Reformed thinkers hold that the method is too negative and ignores real knowledge that unbelievers have. Others, such as R. C. Sproul, defend the classical method within the Reformed tradition and criticize the idea that no proof can be offered.

Roman Catholic

Catholic teaching holds that human reason, though wounded by sin, can know that God exists. The presuppositional claim that no shared reasoning exists sits uneasily with this teaching, though Catholic writers agree that worldviews shape how people see.

Eastern Orthodox

Orthodox writers stress the knowledge of God in worship and are wary of any system that makes all truth deduced from one starting point. They share with presuppositionalists a distrust of purely secular reason, but for different reasons.

Secular philosophers

Many philosophers reply that the transcendental argument assumes without proof that only one worldview can account for logic and morality. They point to other accounts of how reasoning is possible, such as naturalistic accounts of evolved minds, and argue that the burden is on the presuppositionalist to show these accounts fail.

Why it matters

Presuppositional apologetics raises a question that every method must face: where does an argument start, and who decides what counts as evidence? Even a student who rejects the method will benefit from seeing that every view rests on starting points. The approach also guards against a quiet assumption that Christian belief needs outside permission before it can be held, and reminds the apologist that what is at stake is a whole way of seeing.

Common misunderstandings

Knowledge check

Think it through

1. What are three presuppositions you rely on in daily life that you could not prove if challenged?
2. Is it possible to hold a starting point openly and still listen to someone who rejects it?
3. What would persuade a presuppositionalist that their argument had failed?
4. How does your answer to the circularity question change if you think of Christianity as a whole way of seeing?

Independent assignment

Test a starting point

In your own notebook, write 400 to 600 words. Choose a worldview other than Christianity (for example, scientific naturalism). In a paragraph, state what it takes as basic. In a second paragraph, state the best presuppositional challenge to it. In a third, write how a defender of the worldview might reply. Do not choose a winner. Practice stating each view as its own supporters would. Keep this for yourself.

Further study

• Romans 1 Read verses 18 to 25 and note what is said about knowing and suppressing the truth.
• Proverbs 26 Read verses 4 and 5 together.
• Colossians 2 Read verses 2 and 3 on wisdom and knowledge in Christ.
• John Calvin, Institutes of the Christian Religion Read the opening chapters of Book 1 on the knowledge of God, a root of the Reformed approach.
• Alvin Plantinga, Warranted Christian Belief Compare the Reformed proposal that belief in God needs no argument, but for different reasons.
• Charles Hodge, Systematic Theology A classic Reformed statement on the knowledge of God and reason.