7 January 2026ShareSave
Раскрыты подробности похищения ребенка в СмоленскеRT: Похититель поджидал девочку в подъезде ее дома в Смоленске
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Мерц резко сменил риторику во время встречи в Китае09:25
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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.