Statements: No birds are mammals. Some mammals can fly. Conclusion: I. Some birds can fly. II. Some flying creatures are mammals.
Correct answer: D. Only II follows
- A. Only I follows
- B. Neither follows
- C. Both follow
- D. Only II follows
Explanation
Some mammals can fly → some flying creatures are mammals. Nothing is concluded about birds.
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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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