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Consider the following part of a resolution derivation. The set of clauses, as well as the first 20 lines of the derivation, is not visibl
Consider the following part of a resolution derivation. The set of clauses, as well as the first 20 lines of the derivation, is not visibl 21.{y, -z} res(11, 20) 22.{x,y} res(10, 19) 23.{x, y, z) res(15,22) 24.{x,y} res(17,23) 25.{x} res(20,24)} Tick each statement that necessarily must be true. Select one or more: For any satisfying assignment, z must be false. For any satisfying assignment, z must be true For any satisfying assignment, x must be false. For any satisfying assignment, y must be false. For any satisfying assignment, x must be true. For any satisfying assignment, y must be true
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