Some technicians are writers. Every writer is a reader. No reader is careless. Every technician is licensed. Which conclusion must follow?
Correct answer: A. Some technicians are not careless.
- A. Some technicians are not careless.
- B. All licensed people are readers.
- C. Some careless people are writers.
- D. All readers are technicians.
Explanation
The technicians who are writers are also readers. Since no reader is careless, those technicians are not careless. The licensing rule is not needed for this conclusion.
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About Logical Deductions
Logical deductions require conclusions to be drawn from stated facts, conditions and relationships without adding outside information. The work includes handling all, some and none statements, necessary and sufficient conditions, ordering restrictions, true or false conclusions, and the difference between what must be true and what could be true.
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