Civil Service Exam Reviewer · Logical Reasoning · hard
Consider the statement: "If Signal No. 3 is raised over the province, then classes at all levels are suspended." Suppose it is true that classes at all levels are suspended. Which conclusion necessarily follows?
- No definite conclusion can be drawn.
- Signal No. 3 is raised over the province.
- Signal No. 3 is not raised over the province.
- Classes at all levels are not suspended.
Answer
A. No definite conclusion can be drawn.
Solution
The statement only says what happens when Signal No. 3 is raised over the province. Knowing that classes at all levels are suspended does not tell us whether Signal No. 3 is raised over the province, because that could happen for another reason. Concluding "Signal No. 3 is raised over the province" would be the fallacy of affirming the consequent.
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