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.
This year, Samsung is putting more emphasis on Galaxy AI, even on the base Galaxy S26. While many of the headline features are aimed at the Ultra and Plus models, the standard S26 still picks up several practical upgrades.
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