We routinely hear that the biological evidence proves evolution, beyond any shadow of a doubt. Recently PZ Myers made this claim for the fossil evidence and Sean Carroll for the molecular evidence. These evidences are often debated and discussed, but what is often missed is that this evolutionary reasoning is illogical to begin with. Philosophical failure is not a good starting point for discussion. Any debate needs to start with a clear understanding of the evidence and what it means. Unfortunately, such a starting point is difficult to come by. In fact, three different fallacies are routinely at work in the evolution genre. Here are quotes from Myers and Carroll, and an explanation of the fallacies.
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