Which of the following examples correctly illustrates a syllogism as defined by Aristotle?

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Every dog has four legs, not all animals have four legs, so all animals with four legs must be dogs.All humans inhale air, all dogs inhale air, therefore all humans are dogs.All mammals maintain a warm body temperature, dogs belong to mammals, thus all dogs are warm-blooded.Dogs possess hair, humans possess hair, so anything with hair is either a dog or a human.

Explanation

Option C correctly demonstrates Aristotle's syllogism structure: a major premise (all mammals are warm-blooded), a minor premise (all dogs are mammals), and a conclusion (all dogs are warm-blooded). The other options either contain logical errors or incorrect conclusions.