1. Introduction

   • Gerhard Schurz
   • Hannes Leitgeb

   OriginalPaper Pages: 1 - 5

2. The Case for Psychologism in Default and Inheritance Reasoning

   • Francis Jeffry Pelletier
   • Renée Elio

   OriginalPaper Pages: 7 - 35

3. Non-Monotonic Reasoning from an Evolution-Theoretic Perspective: Ontic, Logical and Cognitive Foundations

   • Gerhard Schurz

   OriginalPaper Pages: 37 - 51

4. An Overview of Possibilistic Handling of Default Reasoning, with Experimental Studies

   • Salem Benferhat
   • Jean F. Bonnefon
   • Rui da Silva Neves

   OriginalPaper Pages: 53 - 70

5. Human Nonmonotonic Reasoning: the Importance of Seeing the Logical Strength of Arguments

   • Marilyn Ford

   OriginalPaper Pages: 71 - 92

6. Coherence and Nonmonotonicity in Human Reasoning

   • Niki Pfeifer
   • Gernot D. Kleiter

   OriginalPaper Pages: 93 - 109

7. On the Quantitative Scalar or-Implicature

   • Leon Horsten

   OriginalPaper Pages: 111 - 127

8. On A Proportionality Analysis of Syllogistic Private Reasoning

   • Ernest W. Adams

   OriginalPaper Pages: 129 - 138

9. Probabilistic Logic Under Coherence, Conditional Interpretations, and Default Reasoning

   • Angelo Gilio

   OriginalPaper Pages: 139 - 152

10. Nonmonotonic probabilistic reasoning under variable-strength inheritance with overriding

    • Thomas Lukasiewicz

    OriginalPaper Pages: 153 - 169

11. Answer Sets and Qualitative Decision Making

    • Gerhard Brewka

    OriginalPaper Pages: 171 - 187

12. Interpreted Dynamical Systems and Qualitative Laws: from Neural Networks to Evolutionary Systems

    • Hannes Leitgeb

    OriginalPaper Pages: 189 - 202

13. The Temporal Dimension of Thought

    • Markus Werning

    OriginalPaper Pages: 203 - 224