Minor: Some books are dictionaries.
Major: No dictionaries are novels.
Conclusion: Some books are not novels.
Minor term: books
Middle term: dictionaries
Major term: novels
The minor is particular affirmative and the major universal negative, so the result is particular negative. “No books are novels” would be invalid, because other books may be novels.
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The First Figure: Conditions of Validity and Four Productive Moods
Minor: Some books are dictionaries.
Major: No dictionaries are novels.
Conclusion: Some books are not novels.
Minor term: books
Middle term: dictionaries
Major term: novels
The minor is particular affirmative and the major universal negative, so the result is particular negative. “No books are novels” would be invalid, because other books may be novels.