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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，更多细节参见heLLoword翻译官方下载
“用发展的办法消除贫困根源”“一把钥匙开一把锁”，更多细节参见搜狗输入法2026
The slightest bitThe answer is A tad.