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John:

You wrote, "It is not clear to me how a computer program could be created to solve complex metaphors. That possibility would imply a mathematical or computer program like understanding or interpretation of metaphors. I am not aware of such understanding or interpretation. Specifically, no such understanding or interpretation has been offered, or justified."

If you think this is so, I have a question for you:

Does human behavior arise from the operations of the physical brain, or from the operations of a non-physical "soul" not bound by the laws of nature?

If you agree that human behavior arises from the brain, which is governed by the laws of nature, it *must* be possible to model the brain -- and its behavior -- with a computer. Not necessarily any extant computer -- our technology has not yet reached that level -- but it must be at least in theory possible to build such a computer.

If not, then how are our brains built?

As far as the latter part of your comment, I believe it is a standard assumption in cognitive science that human behavior can be modeled by computers. The question is how, and what kind of computer.

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