If all humans are mortal and some humans are doctors, which is true?
Correct answer: C. Some humans are not doctors
- A. All doctors are mortal
- B. Some mortals are doctors
- C. Some humans are not doctors
- D. All humans are doctors
Explanation
Some humans are doctors implies some humans may not be doctors.
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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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