I. Towards Philosophy.- Logical Concerns of Philosophical Analysis.- Ontologies and Ontologics.- Truth, Sense and Assertion, or: What Plato Should Have Told the Sophists.- Identity over Time.- Two Levels of Modality: An Algebraic Approach.- Elzenbergs Logic of Values.- When May G.E.Moores Definition of an Internal Relation Be Used Rationally?.- II. Historical Perspective.- History of Logic and the Criteria of Rationality.- On the Origin of Reductio AD Absurdum.- Premonition of Mathematical Logic in Aristotles Prior Analytics.- Impossibilia of Siger of Brabant.- Defending Theses in Mathematics at a 19th Century University.- Basic Norm and Metalanguage. Historical Background of Kelsens Ideas.- III. Logic and Natural Language.- Early Systems of Formal Pragmatics.- Deduction and the Concept of Assertion.- Methodological Interdependencies between Conceptualization and Operationalization in Empirical Social Sciences.- Game-Theoretical Semantics Applied to Definite Descriptions and Anaphora.- On Logical Analysis of Ordinary Sentences.- Game Theoretical Semantics with Value-Gaps and Discourse Analysis.- The Semantic and Formal Connections between Text Components.- Index of Names.Springer Book Archives