No mammals are animals, and all cats are mammals. Which conclusion must be true?
Answer and explanation
Correct answer: A. No cats are animals
- Step 1: Every cat is a mammal, and no mammal is a animal.
- Step 2: So no cat can be a animal.
Answer
No cats are animals.
Why not the others: All cats are animals, Some cats are animals and All animals are cats do not fit.
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