Civil Service Exam Reviewer · Logical Reasoning · easy
Consider the statement: "If Signal No. 3 is raised over the province, then classes at all levels are suspended." Suppose it is true that Signal No. 3 is raised over the province. Which conclusion necessarily follows?
- Classes at all levels are suspended.
- Classes at all levels are not suspended.
- Signal No. 3 is not raised over the province.
- No definite conclusion can be drawn.
Answer
A. Classes at all levels are suspended.
Solution
The statement says that whenever Signal No. 3 is raised over the province, classes at all levels are suspended. Since Signal No. 3 is raised over the province, it follows that classes at all levels are suspended. (This is modus ponens.)
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