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Dec 22, 2009 at 6:05 comment added Theo Johnson-Freyd +1 for detailed intro
Dec 22, 2009 at 4:17 history edited Ryan Williams CC BY-SA 2.5
added 103 characters in body
Dec 22, 2009 at 4:15 vote accept Ryan Williams
Dec 22, 2009 at 3:54 answer added Ryan O'Donnell timeline score: 21
Dec 22, 2009 at 2:24 answer added David E Speyer timeline score: 4
Dec 22, 2009 at 2:02 history edited Ryan Williams CC BY-SA 2.5
added another example for clarity
Dec 22, 2009 at 0:14 answer added David Eppstein timeline score: 1
Dec 21, 2009 at 22:36 comment added Boris Bukh 2-SAT is a different problem where each clause contains at most two literals.
Dec 21, 2009 at 22:36 comment added Ryan Williams That is not my question! 2-SAT is conjunctive normal form with two variables per clause.
Dec 21, 2009 at 22:30 comment added Qiaochu Yuan 2-SAT is in P. See en.wikipedia.org/wiki/2-satisfiability .
Dec 21, 2009 at 22:29 history asked Ryan Williams CC BY-SA 2.5