Tuesday, June 25, 2013

The world of abstractions

 

"It also follows that almost all mathematical statements are undecidable: there is no proof that they are true, and no proof that they are false. Each of them is either true or false, but there is no way of using physical objects such as brains or computers to discover which is which . The laws of physics provide us with only a narrow window through which we can look out on the world of abstractions."

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