TAOCP 7.2.2.2 Exercise 229
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Section 7.2.2.2: Satisfiability
Exercise 229. [M21] Continuing exercise 228, prove also that the set of clauses (99), (100'), (101) is unsatisfiable, where (100') denotes (100) restricted to the cases $i \le k$ and $j < k$.
Verified: no
Solve time: 6m36s
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