Describe a faster method to check for satisfiability

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A 2-satisfiability (2SAT) problem is a CNF problem with at most two literals in each clause.

Show that 3-resolution, which has polynomial complexity, is complete for 2SAT.

Describe a faster method to check for satisfiability by formulating the problem on a graph.

Create a vertex for every variable and its negation and two directed edges for each clause.

Reference no: EM131168744

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