Thursday, August 08, 2013

The argument from design



    Many people want to prove that God exists. A common argument (or proof) is to point to something designed and made by humans, such as a watch. These are obviously designed. So anything that looks like it's designed must have been designed, which means there's a designer. Natural objects such as flowers and bees, etc look like they've been designed, so there must be a designer. That designer is God.
 This is the "argument from  design", and it doesn't work. Actually, there is no proof of God's existence. And there is no proof of God's non-existence, either.

If you want to prove God's existence, then the general form of the proof will be:
1) If some statement about XYZ is true, then God exists.
2) The statement about XYZ is true.
3) Therefore God exists.

   There are at least three problems with this.
   ONE. The premise "The statement about XYZ is true" is either an axiom (an assumption), or else it is a theorem (a statement proven by reason). Either way, the argument makes God's existence logically dependent on or derived from some statement about XYZ. But for a statement about XYZ to be true (or false), XYZ must exist. So God's existence logically depends on or derives from the existence of XYZ. But that's absurd, since by definition, God's existence cannot depend on or derive from the existence of anything else. Hence, you cannot prove God's existence. QED.
   TWO: If the premise is an assumption, then the argument from design is circular. It assumes what it is designed to prove.The assumption is: "If something looks like it's designed, then it is designed; and if it is designed, there must be a designer." But if there is a designer, then things will look like they're designed. Therefore there is a designer. Therefore things will look like they're designed. Therefore there is a designer. Therefore... See?
   THREE: So you've proved God is the Designer of the Universe. Now what? What kind of God is this Designer? Did he design parasites, which can cause their hosts to die horrible and painful deaths? What about diseases that have wiped out millions of people, like the bubonic plague? Where will the claim that only God can design living things go when humans design and make them? Actually, humans have already done that.
   In other words, conclusions raise as many questions as they answer. Once you've proven something or other, it becomes a premise for further proofs. It becomes a basis for further questions. Some of those questions will not be the kind you wanted when you set out to prove your point. That's the way logic works.

   A local pastor once asked me to participate in a "debate" about the existence of God. I refused. I said than any true Christian will not worry about such arguments, since for a Christian "God exists" is a given. It's an axiom. It's one of those statements you use to prove things you want to prove. The pastor understood my point, but I don't know what he told his youth group.

   Of course, you need other axioms in order to get anywhere. And that's where the trouble starts. You can prove anything you want if you select axioms that produce your conclusion. Religious people of a certain kind just love proofs. Proofs mean that they are right and everybody else is wrong. And once you've proved that to your satisfaction, you can do whatever you want to those evil people who disagree with what you have proved is God's will.
   You don't have to start this process with God. You can go with Historical Necessity. Or the Supremacy of the Aryan Race. Or that Capitalism equals Democracy. Or whatever.
   Ideology is simply a religion without a god.
   2013-08-08

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