1: Theory of Science and Theory of Law -- Synopsis -- Recent Trends in the Philosophy of Science -- Legal Dogmatics as a Scientific Paradigm -- Paradigms in Legal Dogmatics Towards a Theory of Change and Progress in Legal Science -- Pragmatic Metatheory for Legal Science -- On Making Implicit Methodologies Explicit -- 2: Ontology and Epistomology in Legal Science -- Synopsis -- Ought, Reasons, Motivation, and the Unity of the Social Sciences: The Meta-theory of the Ought-Is Problem -- Legal Data. An Essay about the Ontology of Law -- Pluralis Juris -- Changes of Paradigm in the Law -- Legal Norms: a Transformational Approach -- Epistemology and Validity in Law -- Is Law a System of Enactments? -- The Concept of “Fact” in the Physical Sciences and in Law -- 3: Objectivity and Rationality of Legal Justification -- Synopsis -- Objectivity in the Social Sciences -- Objectivity and Rationality in Lawyer’s Reasoning -- Coherence in Legal Justification -- Paradigms of Justifying Legal Decisions -- Monism, Pluralism, Relativism and Right Answers in the Law -- Discovery and Justification in Science and Law -- Reasons and Causes in Connection with Judicial Decisions -- 4: Technical Rationality in the Law -- Synopsis -- Legal Rationality Among Different Types of Rationality -- Paradigms of Legal Research; Empirical Science and Legal Dogmatics -- Goal Reasons in Common Law Cases — Are They Predictive? -- Teleological Construction of Statutes -- Reason, Law and History -- The Rule of Law in Legal Reasoning -- 5: Some Special Topics Concerning Rationality and Legitimacy in the Law -- Synopsis -- An Ubiquitous Paralogism in Legal Thinking -- Power of Tolerance — On the Legitimacy of a Legal System -- Sir Edward Coke’s Legal Conservatism -- Popper’s Criterion of Refutability in the Legal Context -- 6: Criticism and Developments in Particular Areas of the Law: Property, Contracts, and Torts -- Synopsis -- Theory Choice and Contract Law -- Trends in Legal Science Relating to Contracts and Torts -- The Economics of Trade Laws -- 7: Interdisciplinary Bridges between Legal Research and Other Sciences -- Synopsis -- On Bridging the So-Called Gap Between Normative Legal Dogmatics and Empirical-Theoretical Social Science -- Towards an Interdisciplinary Theory of Law -- Legal Science and Hermeneutic Point of View -- Legal Theory and Social Science -- Integration Between Legal Research and Social Science -- 8: Analysis of Legal Norms and Juristic Propositions -- Synopsis -- Karl Olivecrona’s Theory of Legal Rules as Independent Imperatives -- Norms of Competence in Scandinavian Jurisprudence -- A Tentative Analysis of Two Juristic Sentences -- 9: Logical and Preference-Theoretical Structures in the Law -- Synopsis -- Automated Analysis of Legislation -- Rights and Practical Possibilities -- Requirements, Urgency, and Worth -- The Property Right of Sweden Today — Or a Requiem over an Outdated Way of Argueing -- List of Participants -- Index of Names.