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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.
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Welcome to your guide to Pips, the latest game in the New York Times catalogue.
Стали известны планы Зеленского после переизбранияНа Украине заявили о принятии непопулярных решений после переизбрания Зеленского