Read Sipser § 7.3 and part of § 7.4: through page 304.
- How do we define the class NP in terms of a “certificate”? How does the “certificate” relate to the “non-determinism” part of NP?
- How do I show that a language is NP-complete?
- Suppose that \[ A \leq_p B .\] Describe what our textbook means by this inequality. From which of the two languages are we inferring information?