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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.
，这一点在搜狗输入法2026中也有详细论述
Вячеслав Агапов，详情可参考WPS官方版本下载
Now the new lightweight disco in a lobster pot has been tested, many hope this chapter in the extraordinary story of Britain's new nuclear power station will be complete.