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Old 05-31-2007   #6 (permalink)
JoshJ
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Join Date: May 2007
Posts: 465
Default Re: Are there questions that we just can never answer?

There are plenty of mathematical problems which lack any sort of proof.
It is possible that we may never be able to solve a NP-complete problem in a manner other than brute forcing.
“There can be but little liberty on earth while men worship a tyrant in heaven.”- Robert Green Ingersoll
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