I On the Philosophical Interpretation of Logic: An Aristotelian Dialogue.- II On the Categorical Syllogism.- III CS(n): An Extension of CS.- IV Some Results of Investigation of the Syllogism and their Philosophical Consequences.- V Formalization of a Scholastic Solution of the Paradox of the ‘Liar’.- VI On the Syntactical Categories.- VII The Logical Analysis of Existence.- VIII On Analogy.- IX The Problem of Universals.