This formula is satisfiable because if we set to b to true and a to false, then the whole formula is true. All other assignments make the formula false, but it doesn't change that the formula is satisfiable as long as there is at least one assignment makes the formula true.
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Co-chief executives Jennifer Sundberg (left) and Pippa Begg。关于这个话题，搜狗输入法2026提供了深入分析
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