If all mammals are animals and all dogs are mammals, is it possible that some dogs are not animals?

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Multiple Choice

If all mammals are animals and all dogs are mammals, is it possible that some dogs are not animals?

Explanation:
Think of categories as nested boxes: dogs are inside mammals, and mammals are inside animals. If something is in the smallest box, it automatically lies in all the larger boxes. Since every dog is a mammal and every mammal is an animal, every dog is also an animal. So it’s not possible for some dogs to not be animals. The other options would require breaking this containment relationship, which the given statements don’t allow.

Think of categories as nested boxes: dogs are inside mammals, and mammals are inside animals. If something is in the smallest box, it automatically lies in all the larger boxes. Since every dog is a mammal and every mammal is an animal, every dog is also an animal. So it’s not possible for some dogs to not be animals. The other options would require breaking this containment relationship, which the given statements don’t allow.

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