At least one of the following is true: the printer has paper, or the notices are printed. If the printer has paper, then the notices are put on the board. In fact, the notices are not put on the board. Which of the following must be true?
Correct answer C. The notices are printed.
Explanation
Since the notices are not put on the board, the condition shows that the printer has no paper. As at least one of the two facts holds, the notices are printed.
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