Semantic Analyses for Dyadic Deontic Logic -- Some Remarks Concerning Many-Valued Propositional Logics -- Conditional Obligation -- Remarks on Interpersonal Utility Theory -- On the Proper Treatment of Quantifiers in Montague Semantics -- Extracting Information from Logical Proofs -- A New Approach to the Logical Theory of Actions and Causality -- Some Basic Concepts of Action -- Some Remarks Concerning Logical and Ontological Theories -- Combined Evidence -- Solution to a Problem Raised by Stig Kanger and a Set Theoretical Statement Equivalent to the Axiom of Choice -- On Characterizing Elementary Logic -- Rules and Derived Rules -- A Program for Pragmatics -- Models -- Remarks on Logic and Probability -- Analytic and Synthetic Arithmetical Statements -- Index of Names -- Tabula Gratulatoria.