Frontmatter -- Preface -- Contents -- Contributors -- Aristotle's Theory of Predication -- Aristotle's Regress Argument -- Alexander of Aphrodisias, Cicero, and Aristotle's Definition of Possibility -- Fonseca on Topics -- Modes of Skepticism in Medieval Philosophy -- Obligations as Thought Experiments -- Utrum propositio de futuro sit determinate vera vel falsa (Antonio Andrés and John Duns Scotus) -- Domingo de Soto (1494-1560) on Analogy and Equivocation -- The Triplex Status Naturae and its Justification -- The Semantics of Ramon Llull -- The Doctrine of Descent in Jeronimo Pardo: Meaning, Inference, Truth -- What's the Matter with Matter: Materia Propositionum in the Post-Medieval Period -- Copulatio in Peter of Capua (12th Century) and the Nature of the Proposition -- Wyclif on sensus compositus et divisus -- Some Examples of Logic in New Spain (Sixteenth-Eighteenth Century) -- Necessity and the Galilean Revolution -- Peirce's Concept of Truth within the Context of his Conception of Logic -- Peirce's Concept of Proposition -- Scholarship on the Relations between Ludwig Wittgenstein and Charles S. Peirce -- Arithmetical Abstraction in Aristotle and Frege -- The Role of Subsistent Propositions and Logical Forms in Russell's 1913 Philosophical Logic and in the Russell-Wittgenstein Dispute -- Are the Objects of the Tractatus Phenomenological Objects? -- Does a Proposition affirm every Proposition that Follows from it? -- Carnap's Reconstruction of Intuitionistic Logic in The Logical Syntax of Language -- Some Influences of Hermann Graßmann's Program on Modern Logic -- Indeterminism and Future Contingency in non-Classical Logics -- Research on the History of Logic at Erlangen -- Index -- Backmatter