That Bird Is Either a Raven or a Crow

question 18

Multiple Choice

That bird is either a raven or a crow. Ravens have dense, shaggy plumage. That bird has dense, shaggy plumage. Therefore, that bird is a raven. This syllogism is:

• A) Valid
• B) Invalid
• C) True
• D) False (more than four terms, more than three premises)

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