Theory of Algorithms

Chapter 9 Limits to Computing

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9.8. Reduction of SAT to 3-SAT

9.8.1. Reduction of SAT to 3-SAT

The following slideshow shows that any general instance of the Formula Satisfiability (SAT) problem can be reduced to an instance of 3 CNF Satisfiability (3-SAT) problem in polynomial time.

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This reduction can help in providing an NP Completeness proof for 3-SAT.

The following exercise gives you a chance to reproduce the proof that 3SAT is NP-complete. This will help to confirm whether you understand the process.

   «  9.7. 3-CNF Satisfiability   ::   Contents   ::   9.9. The Clique Problem  »

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