So often we hear that the existence of God cannot be proven, which simply is not true. That is not to say that we come to know God through cleverly devised proofs. Nothing could be further from the truth. We know God by nature and we must justify this knowledge by Scripture, the Christian's ultimate authority.
All reasoning has a terminus point; for the Christian it is Scripture. For the unbeliever it is usually the universal laws of logic, which problematically do not comport with any worldview that denies the existence of God and our being made in his image as rational, logical creatures.
Since the premises in the following argument are true and the form of the argument is valid, the conclusion is reliable and true.
P1. If God has revealed himself, then God exists
P2. God has revealed himself
C. Therefore, God exists
So Christian, please never say again that one cannot prove the existence of God.
The issue is not about proof. Proving God's existence is simple, as was just shown. The issue is over the justification of premises and what people will accept as authoritative. For instance, if one believes that his senses can justify premises, then one might choose to prove that there are crackers in the pantry in the following manner:
P1. If I see crackers in the pantry, then there are crackers in the pantry
P2. I see crackers in the pantry
C. Therefore, there are crackers in the pantry
The deductive argument for there being crackers in the pantry was implicit in Dr. Bahnsen's debate with Gorden Stein. The point I'd like to make is that only a skeptic would deny such a proof can be sound because only a skeptic would deny that one's senses can be reliable. Just the same, if a skeptic did not accept the truth of the premises, the proof would not become invalidated or proven false. In the like manner, only an unbeliever - who is suppressing in unrighteousness the obvious truth of God's revelation - would deny that God has revealed himself and, therefore, God exists. Just as it is true that the skeptic's disfunctional worldview cannot invalidate what is actually true - it is no less true that the fallen worldview cannot invalidate the absolute authority of Scripture. Truth is not a matter of consensus after all. To think so is to confuse proof with persuasion, a fundamental error in apologetics.
Don't get me wrong; I would not employ such a proof for God's existence in a debate with a professing atheist. My only point in putting forth such a proof is to show that the issue is not about proof but rather about the willingness to yield to the self-attesting, authoritative Christ of Scripture and the internal testimony of the Holy Spirit who testifies that God is speaking in Scripture.
Not to despair, we are not reduced to fideism, which is to say we are not reduced to saying that God has revealed himself and that settles the matter. Although it is true that God has revealed himself to all men everywhere, the Christian is to
defend the faith and not just assert what he knows to be true.
We should defend the faith by arguing that God is the necesssary precondition for intelligible experience.
Prove A: The Christian God exists.
Step 1 ~A: (Assume the opposite of what we are trying to prove): The Christian God does not exist.
Step 2 (~A--> B): If God does not exist, then there is no intelligible experience since God is the precondition of intelligibility
Step 3 (~B): There is intelligible experience (Contradiction!)
Step 4 (~ ~A): It is not the case that God does not exist (Modus Tollens on 2 and 3)
Step 5 (A): --> God does exist (Law of negation.)
Q.E.D.
The above demonstration of the transcendetal argument for the existence of God (TAG) is sound in that the form is valid and the premises are true. We must keep in mind that the truth of any valid conclusion is not predicated upon the consensus of the truth of the premises. Accordingly, since unbelievers refuse to admit to the truth claims of the Bible and, therefore, step 2 of the proof, the only thing the Christian can do is (i) reduce the opposing worldview to absurdity by exposing its arbitrariness and inconsistency and (ii) show how the God of Scripture provides a necessary precondition for knowledge, reality and ethics. In a word, the apologist is to demonstrate that God's special revelation, Scripture, offers the only
justification for intelligible experience.
TAG is to be offered as a challenge to the unbeliever and, therefore,
a starting point for discussion. The apologist is then to demonstrate by the life experiences enjoyed by the professing atheist how intelligible experience presupposes God's revelation of himself. For instance, the apologist might wish to demonstrate how only the Christian worldview supplies the necessary precondition for the justification of trusting one's senses in order, for instance, to begin to justify the knowledge of crackers being in the pantry. In doing so the apologist gives "evidence" of the reliability of the proof, but such evidence cannot "prove" that the proof is sound anymore than evidence can
prove God's existence. Again, the unbeliever denies step-2 of the proof. Accordingly, all the apologist is left to do is show that logic, reality and ethics presuppose that which only the Christian worldview can afford -
a common creator who has provides a fruitful connection between the minds of men and the created order, making intelligible experience possible.
In sum, the proof of God's existence is sound
in and of itself because it employs a valid form and true premises. Consequently, the argument succeeds in
proving the existence of God, but in a much more powerful way than the first deductive argument at the top of the page, which although is sound, does not deal with the preconditions of intelligible experience and, therefore, is not very interesting other than it serves as a good example (to the Christian in particular) that God's existence can be proved.
Finally, the Christian would do well not only to offer a proof for God's existence in a transcendental fashion but also to expose the various forms of the one unbelieving worldview for their arbitrariness and inconsistencies. Note well, however, that to reduce an opposing worldview to absurdity is not to prove the Christian worldview. It's a far cry from it in fact. Our apologetic is not
inductive. We must also appreciate that all the competitors to the Christian worldview are simply variations of the single-unbelieving worldview, which posits that intelligible experience can be justified apart from revelation. Consequently, there are not an infinite number of worldviews as some have claimed but rather only two. I know this from Scripture, which is a reliable appeal for truth; Scripture allows us to know some things without having to know all things! Scripture is the only appeal for those who wish to justify their knowledge of anything.
At the end of the day, "Jesus loves me this I
know, 'cause the Bible tells me so." That's not my defense of the Christian worldview, but it's certainly a defensible fact. In other words, we don't "reason" ourselves to God, but our belief in God is indeed reasonable. In fact, it's not just reasonable; it's justifiable and true, which is to say it constitutes as
knowledge. Belief in God is the only reasonable position to hold if for no other reason, it is unreasonable to argue against God's existence because to do so one must first presuppose those tools of argumentation that are only defenisble given God's existence.
Ron
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