All A objects are B objects. No B objects are C objects. Some D objects are A objects. Which conclusion must follow?
Correct answer: A. Some D objects are not C objects.
- A. Some D objects are not C objects.
- B. All D objects are not C objects.
- C. Some D objects are C objects.
- D. No D objects are A objects.
Explanation
The D object mentioned is also an A object, so it is a B object. Since no B object is C, that particular D object is not C.
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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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