Which form of categorical proposition could never be a major premise in a valid categorical syllogism?

Name: Which form of categorical proposition could never be a major premise in a valid categorical syllogism?
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Question

Quizplus · Accepted Answer

All four forms (A, E, I, O) can serve as the major premise in a valid categorical syllogism. The validity of a syllogism depends on the logical structure and the relationship between the premises, not on the specific form of the major premise.

Which Form of Categorical Proposition Could Never Be a Major