Christianity Today's July cover story is about modern Christian apologetics; i.e.,, the use of philisophical arguments for rational arguments in favor of the existence of God. The article, by William Lane Craig, research professor of philosophy at Talbot School of Theology, begins by arguing that theists are once again at philosophy departments:
Back in the 1940s and '50s, many philosophers believed that talk about God, since it is not verifiable by the five senses, is meaningless—actual nonsense. This verificationism finally collapsed, in part because philosophers realized that verificationism itself could not be verified! The collapse of verificationism was the most important philosophical event of the 20th century. Its downfall meant that philosophers were free once again to tackle traditional problems of philosophy that verificationism had suppressed. Accompanying this resurgence of interest in traditional philosophical questions came something altogether unanticipated: a renaissance of Christian philosophy.
. . .
The renaissance of Christian philosophy has been accompanied by a resurgence of interest in natural theology, that branch of theology that seeks to prove God's existence apart from divine revelation. The goal of natural theology is to justify a broadly theistic worldview, one that is common among Christians, Jews, Muslims, and deists. While few would call them compelling proofs, all of the traditional arguments for God's existence, not to mention some creative new arguments, find articulate defenders today.
Professor Craing then describes and defends various traditional proofs of God. Here is an example:
The cosmological argument. Versions of this argument are defended by Alexander Pruss, Timothy O'Connor, Stephen Davis, Robert Koons, and Richard Swinburne, among others. A simple formulation of this argument is:
1. Everything that exists has an explanation of its existence, either in the necessity of its own nature or in an external cause.
2. If the universe has an explanation of its existence, that explanation is God.
3. The universe exists.
4. Therefore, the explanation of the universe's existence is God.
This argument is logically valid, so the only question is the truth of the premises. Premise (3) is undeniable for any sincere seeker of truth, so the question comes down to (1) and (2).
Premise (1) seems quite plausible. Imagine that you're walking through the woods and come upon a translucent ball lying on the forest floor. You would find quite bizarre the claim that the ball just exists inexplicably. And increasing the size of the ball, even until it becomes co-extensive with the cosmos, would do nothing to eliminate the need for an explanation of its existence.
Premise (2) might at first appear controversial, but it is in fact synonymous with the usual atheist claim that if God does not exist, then the universe has no explanation of its existence. Besides, (2) is quite plausible in its own right. For an external cause of the universe must be beyond space and time and therefore cannot be physical or material. Now there are only two kinds of things that fit that description: either abstract objects, like numbers, or else an intelligent mind. But abstract objects are causally impotent. The number 7, for example, can't cause anything. Therefore, it follows that the explanation of the universe is an external, transcendent, personal mind that created the universe—which is what most people have traditionally meant by "God."
Read it all here. Is it just me, or is the defense of premise 2 quite weak? In any event, do these examples of traditional Christian apologetics still have value?