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No birds are mammals. Some mammals are not reptiles. Which conclusion is valid?
Practice Questions
Q1
No birds are mammals. Some mammals are not reptiles. Which conclusion is valid?
Some birds are reptiles.
All mammals are birds.
Some reptiles are not mammals.
All reptiles are birds.
Questions & Step-by-Step Solutions
No birds are mammals. Some mammals are not reptiles. Which conclusion is valid?
Steps
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