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If it is a holiday, then the office is closed. Today is not a holiday. Therefore
Practice Questions
Q1
If it is a holiday, then the office is closed. Today is not a holiday. Therefore, the office is open. Is this conclusion valid?
Yes
No
Only if it is a weekend
Cannot be determined
Questions & Step-by-Step Solutions
If it is a holiday, then the office is closed. Today is not a holiday. Therefore, the office is open. Is this conclusion valid?
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