Questions tagged [cook-levin]

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Did Stephen Cook see the significance of showing that SAT is NP-Hard before actually proving it?

If I understand correctly, to prove that problem $A$ is NP hard, you need to pick all possible problems $B_{i}$ that are in NP and then prove that they reduce to $A$ by using a polynomial time ...
6
votes
1answer
583 views

Does the Cook-Levin theorem relativize?

My only motivation for asking this question is long-standing curiosity, but I am interested in seeing a proof (or disproof) that the Cook-Levin theorem relativizes. If you have a proof that the ...
8
votes
0answers
336 views

Are there any implementations of Cook-Levin?

Does anyone know if there is an implementation of Cook-Levin? A program that gets an input like the following: $M$: the code of a machine model/simple program in a programming language like C, $\vec{...