In a formally valid categorical syllogism. [fact]
In a formally valid categorical syllogism, the middle term must be distributed in at least one of the premises.
Ruggero J. Aldisert, Agatha D. Aldisert, Logic for Lawyers- A Guide …, loc. 851
In a formally valid categorical syllogism, the middle term must be distributed in at least one of the premises.
Ruggero J. Aldisert, Agatha D. Aldisert, Logic for Lawyers- A Guide …, loc. 851