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Pastimes : The Philosophical Porch

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To: Rarebird who wrote (146)8/5/2005 11:22:48 AM
From: TimF  Read Replies (1) of 26251
 
But you appear to be assuming what needs to be proved

Whatever Descartes may have assumed or not assumed the argument I present does not assume its conclusion.

The premise "if the idea of the perfect exists, than it comes from a perfect being" is not itself an assumption that a perfect being exists. The conclusion is not one of the premises. The argument is not circular. That doesn't mean that the conclusion is necessarily true because the premises can be challenged (particularly "if the idea of the perfect exists, than it comes from a perfect being"). But that's a potentially faulty premise, not an example of circular reasoning or an argument in an invalid form.

An argument with a similar, and valid, form would be

George Bush is president of the United States

If George Bush is president of the United States than Tim Fowler has vast political influence.

Therefore : Tim Fowler has vast political influence

The 2nd premise doesn't assume the conclusion. The 2nd premise and the conclusion are both false but that doesn't make the argument a logical fallacy.

Tim
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