第十五条 仲裁机构应当具备下列条件：
Анна Комиссарова
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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.
Медведев вышел в финал турнира в Дубае17:59