Subcontrary Propositions, [164].

Subject, Logical, [123];

Grammatical and Logical Distinguished, [125];

Distribution of, [145].

Success, Logic of, [475].

Sufficient Reason, Law of, [40].

Summum Genus, [79].

Syllogism, a Product of Inference, [24];

Nature of, [192];

Rules of, [193];