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← Logic & PuzzlesA constraint satisfaction solver encounters a conflict clause during Boolean constraint propagation. If the solver applies backjumping, which consequence follows?
A)The search continues linearly forward
B)Variables are assigned truth values arbitrarily
C)Solver explores all variable assignments exhaustively
D)Solver reverts to earlier decision levels✓
💡 Explanation
Backjumping, a conflict resolution mechanism, allows the solver to jump back multiple decision levels to the point where the conflict originated, because this prunes the search space more efficiently. Therefore, the search reverts to an earlier decision level, rather than continuing linearly or exploring assignments exhaustively.
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